Month: April 2022

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called A Predictive Substrate Model for Rat Glutathione S-Transferase 4-4, published in 1995-08-31, which mentions a compound: 16588-26-4, Name is 3-Bromo-4-chloronitrobenzene, Molecular C6H3BrClNO2, Recommanded Product: 3-Bromo-4-chloronitrobenzene.

Mol. modeling techniques have been used to derive a substrate model for class mu rat glutathione S-transferase 4-4 (GST 4-4). Information on regio- and stereoselective product formation of 20 substrates covering three chem. and structurally different classes was used to construct a substrate model containing three interaction sites responsible for Lewis acid-Lewis base interactions (IS1, IS2, and IS3), as well as a region responsible for aromatic interactions (IS4). Exptl. data suggest that the first protein interaction site (pIS1, interacting with IS1) corresponds with Tyr115, while the other protein interaction sites (pIS2 and pIS3) probably correspond with other Lewis acidic amino acids. All substrates exhibited pos. mol. electrostatic potentials (MEPs) near the site of conjugation with glutathione (GSH), as well as neg. MEP values near the position of groups with Lewis base properties (IS1, IS2, or IS3), which interact with pIS1, pIS2, or pIS3, resp. Obviously, complementarity between the MEPs of substrates and protein in specific regions is important. The substrate specificity and stereoselectivity of GST 4-4 are most likely determined by pIS1 and the distance between the site of GSH attack and Lewis base atoms in the substrates which interact with either pIS2, pIS3, or a combination of these sites. Interaction between aromatic regions in the substrate with aromatic amino acids in the protein further stabilizes the substrate in the active site. The predictive value of the model has been evaluated by rationalizing the conjugation to GSH of 11 substrates of GST 4-4 (representing 3 classes of compounds) which were not used to construct the model. All known metabolites of these substrates are explained with the model. As the computer-aided predictions appear to correlate well with exptl. results, the presented substrate model may be useful to identify new potential GST 4-4 substrates.

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Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Formula: C10H10ClNO. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-(4-Chlorophenyl)pyrrolidin-2-one, is researched, Molecular C10H10ClNO, CAS is 7661-33-8, about Ozonation of tertiary aromatic amines. II. Reactions of N,N-dialkylanilines with diethyl azodicarboxylate and with ozone. Author is Kerr, Geoffrey H.; Meth-Cohen, Otto; Mullock, Ernest B.; Suschitzky, Hans.

Thermolysis of the adduct I from N-phenylpyrrolidine and EtO2CN:NCO2Et gave the isomeric dimers II, which were also formed by ozonation of N-phenylpyrrolidine. The ozonation of 11 other N,N-dialkylanilines and 22-pyrrolylpyridines was also studied.

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Reference:
Alcohol – Wikipedia,
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Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 1-(4-Chlorophenyl)pyrrolidin-2-one, is researched, Molecular C10H10ClNO, CAS is 7661-33-8, about Mild and Efficient Cobalt-Catalyzed Cross-Coupling of Aliphatic Amides and Aryl Iodides in Water.Safety of 1-(4-Chlorophenyl)pyrrolidin-2-one.

A convenient protocol for the C-N cross-coupling of aliphatic amides and iodobenzene is demonstrated using a simple and inexpensive Co(C2O4)·2H2O/N,N’-dimethylethylenediamine (DMEDA) catalytic system in water. Good yields of N-arylated products I [R1 = Pr, i-Pr, Bu, etc; R2 = Ph, 2-F-C6H4, 4-Me-C6H4, etc.] were isolated (up to 85%) and the protocol has been successfully applied to the synthesis of the anticancer drug, flutamide.

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Alcohol – Wikipedia,
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Zhang, Pengfei; Behl, Marc; Peng, Xingzhou; Balk, Maria; Lendlein, Andreas published the article 《Chemoresponsive Shape-Memory Effect of Rhodium-Phosphine Coordination Polymer Networks》. Keywords: chemoresponsive shape memory rhodium phosphine coordination polymer network.They researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Safety of Dichloro(1,5-cyclooctadiene)platinum(II). Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:12080-32-9) here.

Chemoresponsive polymers are of technol. significance for smart sensors or systems capable of mol. recognition. An important key requirement for these applications is the material’s structural integrity after stimulation. We explored whether covalently crosslinked metal ion-phosphine coordination polymers (MPN) can be shaped into any temporary shape and are capable of recovering from this upon chemoresponsive exposure to triphenylphosphine (Ph3P) ligands, whereas the MPN provide structural integrity. Depending on the metal-ion concentration used during synthesis of the MPN, the degree of swelling of the coordination polymer networks could be adjusted. Once the MPN was immersed into Ph3P solution, the reversible ligand-exchange reaction between the metal ions and the free Ph3P in solution causes a decrease of the coordination crosslink d. in MPN again. The Ph3P-treated MPN was able to maintain its original shape, indicating a certain stability of shape even after stimulation. In this way, chemoresponsive control of the elastic properties (increase in volume and decrease of mech. strength) of the MPN was demonstrated. This remarkable behavior motivated us to explore whether the MPN are capable of a chemoresponsive shape-memory effect. In initial experiments, shape fixity of around 60% and shape recovery of almost 90% were achieved when the MPN was exposed to Ph3P in case of rhodium. Potential applications for chemoresponsive shape-memory systems could be shapable semiconductors, e.g., for lighting or catalysts, which provide catalytic activity on demand.

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Bright Luminescent Platinum(II)-Biaryl Emitters Synthesized Without Air-Sensitive Reagents, published in 2020-04-28, which mentions a compound: 12080-32-9, mainly applied to platinum biaryl emitter synthesis photoluminescence photophys property; ligand design; ligand effects; luminescence; metallacycles; photophysics; platinum, Recommanded Product: Dichloro(1,5-cyclooctadiene)platinum(II).

Transition-metal complexes bearing biaryl-2,2′-diyl ligands tend to show intense luminescence. However, difficulties in synthesis have prevented their further functionalization and practical applications. Herein, a series of platinum(II) complexes bearing biaryl-2,2′-diyl ligands, which have never been prepared in air, were synthesized through transmetalation and successive cyclometalation of biarylboronic acids. This approach does not require any air- or moisture-sensitive reagents and features a simple synthesis even in air. The resulting (Et4N)2[Pt(m,n-F2bph)(CN)2] (m,n-F2bph=m,n-difluorobiphenyl-2,2′-diyl) complexes exhibit intense green emissions with high quantum efficiencies of up to 0.80 at 298 K. The emission spectral fitting and variable-temperature emission lifetime measurements indicate that the high quantum efficiency was achieved because of the tight packing structure and strong σ-donating ability of bph.

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Alcohol – Wikipedia,
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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Mastrocinque, Francesco; Anderson, Craig M.; Elkafas, Adel M.; Ballard, Isabel V.; Tanski, Joseph M. researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Safety of Dichloro(1,5-cyclooctadiene)platinum(II).They published the article 《Synthesis, characterization, and photophysical properties of cyclometalated N-Heterocyclic carbene Platinum(II) complexes》 about this compound( cas:12080-32-9 ) in Journal of Organometallic Chemistry. Keywords: platinum cyclometalated thienyl benzothienyl imidazolylidene benzimidazolylidene complex preparation photoluminescence; crystal structure platinum cyclometalated thienyl benzothienyl imidazolylidene benzimidazolylidene complex; mol structure platinum cyclometalated thienyl benzothienyl imidazolylidene benzimidazolylidene complex. We’ll tell you more about this compound (cas:12080-32-9).

Cyclometalated platinum complexes I (R = Me, 3-thienylmethyl; X1, X2 = H, benzo) were prepared by a two-step, one-pot procedure and characterized; the complexes showed photoluminescence at 450-550 nm. Thiophene and benzothiophene ligands containing N-heterocyclic carbene (NHC) moieties were used to synthesize five and six-membered Pt(II) metallacycles. Ligand scaffolding was synthesized using two methods. The ligands were synthesized using a coupling reaction, utilizing Cu2O as the catalyst or were synthesized using a nucleophilic substitution reaction. The ligands were then metalated by chelate-assisted C-H activation. The synthesis, characterization, reactivity, and photophys. properties of these NHC-functionalized, cyclometalated products are reported.

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Reference:
Alcohol – Wikipedia,
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Category: alcohols-buliding-blocks. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-(2-Methylthiazol-4-yl)ethanone, is researched, Molecular C6H7NOS, CAS is 23002-78-0, about An efficient protocol for the oxidative hydrolysis of ketone SAMP hydrazones employing SeO2 and H2O2 under buffered (pH 7) conditions. Author is Smith, Amos B. III; Liu, Zhuqing; Simov, Vladimir.

An effective oxidative protocol for the liberation of ketones from SAMP hydrazones employing peroxyselenous acid under aqueous buffered conditions (pH 7) has been developed. The procedure proceeds without epimerization of adjacent stereocenters or dehydration, in representative SAMP alkylation and aldol reaction adducts, resp.

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Reference:
Alcohol – Wikipedia,
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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called o-Halogenated p-nitroaniline and its derivatives, published in 1914, which mentions a compound: 16588-26-4, mainly applied to , HPLC of Formula: 16588-26-4.

When p-NO2C6H4NH2 is dissolved or suspended in HCl and Cl or Br added a mixture, difficult to sep., of mono- and dihalogenated anilines with the halogen in the o-position is formed. If, however, gaseous Cl (mol. ratio 1 : 1) is passed into the b. HCl solution 2,4-Cl(O2N)C6H3NH2 is almost the sole product. This derivative mixed with some di-Cl derivative is obtained on chlorinating at -o°(Casella & Co., Ger. Pat., 109,189). At room temperature, on adding Cl slowly to the HCl solution, the di-Cl deriv, + quinone are formed. Chlorinating by Noelting’s method, using Ca(ClO)2, gave mixtures Similar results were obtained with Br. These derivatives are obtained by warming 1-nitro-3,4-dibromo (or dichloro) benzene with alc. NH3 in the scaled tube at 190°. The NH2 group substitutes p to NO2. By halogenating these monohalogen derivatives it is possible to get derivatives with 2 different halogens in the same ring. The action of ClI on a glac. AcOH solution of p-NO2C6H4NH2 gives mixtures from which the mono- and di-I derivatives can be separated by EtOH. 1-Nitro-3-chloro-4-aniline, bright yellow needles from hot H2O, m. 104.5°; acetyl derivative, straw-yellow flat prisms from EtOH, m. 139°. Diazotizing in H2SO4 or HNO3 suspension with gaseous HNO2 gives the diazo compound which, by way of the perbromide, goes into 1-nitro-3-chloro-4-bromobenzene, prisms from CHCl2, m. 62°. 1-Nitro-3-chloro-4-iodobenzene, almost colorless needles from EtOH, m. 103°, is obtained similarly, by way of the periodide. 1-Nitro-3-bromo-4-aniline, bright yellow needles, m. 104.5°, which with Ac2O gives the monoacetyl derivative, flat prisms, m. 114°, and the diacetyl derivative, short fat prisms, m. 132°. also from the mono derivative, by the action of Ac2O + traces of POCl3. Diazotizing and halogenating as above gives 1-nitro-3-bromo-4-chlorobenzene, white or colorless prisms, volatil with steam, m. 61°, is identical with the compound similarly obtained from 2,5-Cl(O2N)C6H3NH2. 1-Nitro-3-bromo-4-iodobenzene, prisms from AcOEt, m. 106°, was obtained similarly. 1-Nitro-3-iodo-4-aniline presents 2 forms: (1) stable yellow-red prisms, and (2) the labile forms golden yellow plates in C6H6, below 17°, m. 109°; monoacetyl derivative, bright yellow prisms; diacetyl derivative, more soluble than the mono compound, white needles. The diazo compound, on adding Cl, gives 1-nitro-3-iodo-4-chlorobenzene, needles, m. 78°, identical with the compound obtained similarly with I from 2,5-Cl(O2N)C6H2NH2. 1-Nitro-3,5-dichloro-4-aniline, yellow shining needles, m. 195°, slightly soluble in dilute and concentrate inorganic acids, unchanged by fuming HNO3 in the cold. To diazotize suspend in HNO3 (d. 1.38) and add gaseous HNO2 at o°; on diluting the explosive diazonium nitrate seps., fairly soluble in H2O. Ac2O + traces of POCl3 give the monoacetyl derivative, almost colorless needles, m. 215°, and the diacetyl derivative, monoclinic (Artini, Rend. ist. lombardo sci. lett., [2] 45, 1912), prisms, m. 142.5°, d. 1.565, more soluble than the mono compound In absolute EtOH + some concentrate H2SO4 + EtONO it gives 1-nitro-3,5-dichlorobenzene, plates, m. 65.4°, which on reducing with Sn + HCl gives 3,5-dichloroaniline, needles, m. 51.5°. The latter, by replacing NH3 with Cl, gives 1,3,4-trichlorobenzene, white needles, to. 63.5°, which is also obtained from 2,4,6-Cl3C8H2NH2, m. 77.5°, by replacing NH3, with H. 3,5-Cl2C4H3NH2 by replacing NH2 with Br gave 1-bromo-3,5-dichlorobenzene, needles, m. 75.8°. 1-Iodo-3,5-dichlorobenzene, m. 54°, was obtained similarly and is identical with that prepared similarly from 2,4,6-ICl2C6H2NH2, m. 84°. Anilines containing 3 identical halogen ats. in the 2,4,6-positions may be obtained by direct halogenation of PhNH2 of which they are the end products. The mixed halogenated anilines are made from anilines halogenated in p-position by adding two halogens (Br or ClI) in the o-position in glac. AcOH. o,p- or o,o-dihalogenanilines may even be used, but displacing of weak halogens may take place. All of the theoretically possible trihalogenbenzenes can be obtained by thus substituting halogen for NH2 in anilines. 2,6,4-Cl2(O2N)C6H2NH2 gives 1-nitro-3,4,5-trichlorobenzene, bright yellow prisms, m. 72.5°, volatil with steam; reduction and elimination of NH2 gives 1,2,3-C6H2Cl3, identical with that from 2,6-Cl2C6H3NH2 by the same method. 1-Nitro-3,5-dichloro-4-bromobenzene, from the above aniline, yellow. prisms, m. 88°, volatile with steam; similarly 1-nitro-3,5-dichloro-4-iodobenzene, yellow prisms, m. 154.8°, less volatile; reduction, etc., gives 1,3-dichloro-2-iodobenzene, thin plates, m. 68°, volatile with steam, also from 3,6-C;2C4H3NH2 with I. p-NO3 C4H4NH2 + Br gives 1-nitro-3,5-dibromo-4-aniline, yellow plates, m. 202.5°; Ac2O as above gives the monoacetyl derivative, colorless needles or triclinic prisms, isomorphous with the di-Cl compound, and the diacetyl derivative, prisms, m. 136°, triclinic pinacoidal, a : b : c = 1.0901 : 1 : 0.8325, a = 88° 43′ 4”. β = 70° 49′ 34”. γ = 93° 25′ 39”, d. 1.939.3 Diazotizing the above or 2,4.6-Br2(O2N)C5H2NH3 with EtONO, etc., gives 1-nitro-3,5-dibromobenzene, almost colorless needles, m. 104.5°; on reduction with Sn + HCl, etc., it gives sym.-dibromochlorobenzene, m. 119°, with Cl, or dibromoiodobenzene, m. 124.8°, with 1. Both are easily volatil with steam and may be prepared from the corresponding anilines and the latter also from 2,4,6-IBr2C6H2NH2. 1-Nitro-3,4,5-tribromobenzene, from the o,o-dibromoaniline by replacing NH3 with Br, yellowish prisms, m. 111.9° on reduction, etc., gives 1,2,3-C6H3Br3, m. 87.8°. 1-Nitro-3,5-dibromo-4-chlorobenzene from the same aniline, yellowish prisms, m. 92-7°, on reduction, etc., gives 2,6-Br2C6H3Cl, m. 71°, identical with the compound similarly obtained from 2,6-Br2C6H3NH2 by replacing NH2 with Cl. 1-Nitro-3,5-dibromo-4-iodobenzene, from 2,6,4-Br2(O2N)C6H2NH2, prisms, 135.5°, cannot be reduced to the aniline. The 2,6-Br2C6H2I was obtained from 2,6-Br2C6H3NH2, prisms, m. 72°. 1-Nitro-3,5-diiodo-4-aniline, from p-NO2C6H4NH2 + ClI in AcOH, yellow needles; m. 245°; monoacetyl derivative, yellow needles, m. 249°; diacetyl derivative, paler yellow prisms, m. 171°, triclinic pinacoidal, a : b : c = 0.9682 : 1 : O.7260, α = 83° 6’43”, β = 76°8’29”, γ = 99° 42′ 44”, d. 2.290. 1-Nitro-3,5-diiodobenzene, from the preceding, difficultly volatile with steam, yellowish prisms, m. 104.5°, on reducing with FeSO4 + NH3 gives 3,5-I2C6H2NH3, needles, m. 110°. 2,6,4-I2ClC6H2NH2 gave 1,3-diiodo-5-chlorobenzene, needles, m. 101°, discolors brown in the light. Similarly the 5-bromoaniline gave 1,3-diiodo-5-bromobenzene, m. 140°, slightly volatile with steam. 1,3,5-Triiodobenzene, from 2,4,6-I2C6H2NH2 or 3.5-I2C6H3NH2, opaque needle, m. 184.2°. Decompose of 2,6,4-I2(O2N)C6H2N2NO3 with b. aqueous Cu2Cl2 gave 1-nitro-3,5-diiodo-4-chlorobenzene, needles, m. 110°; reduction with FeSO4 + NH3 gives a poor yield, (NH4)2S gives a better yield of the aniline together with some S-containing compound The aniline gives 2,6-I2C6H3Cl, rhombic plates, m. 82°. 2,6,4-I2(O2N)(C6H2NH2 gives 1-nitro-3,5-diiodo-4-bromobenzene, white needles from EtOH, yellow prisms from CHCl3 m. 125.4°, and 1-nitro-3,4,5-triiodobenzene, yellow prisms from EtOH, contain C6H6 of crystallization when crystallized from C6H6; reduction with FeSO4 + NH3 gives 3,4,5-triiodoaniline with difficulty; (NH4)2S gives sym.-I2C6H2NH2. The I2C6H2NH2 gives 1,2,3-C6H2I2 on changing NH2 for H, m. 116°, which is identical with that from 2,3-I2C6H3NH2. 2,4-Cl(O2N)C6H3NH2 + Br gives 1-nitro-3-chloro-5-bromo-4-aniline, bright Yellow needles, m. 177.4°; monoacetyl derivative, straw-yellow needles, m. 224°; diacetyl derivative, prisms or plates, m. 139°, monoclinic, prismatic, a : b : c = 1.1127 : 1 : 0.8509, β = 70-36°, d. 1-749. 1-Nitro-3-chloro-5-bromobenzene, from the above aniline, plates, m. 81.2°. and this on reducing with Sn + HCl, etc., gives 3-chloro-5-bromoaniline, needles, or prisms. The latter, as well as 2,4,6-BrClIC6H2NH2, m. 110.5°, gives 1-chloro-3-bromo-5-iodobenzene, needles, m. 85.8°. 1-Nitro-3,4-dichloro-5-bromobenzene, yellowish prisms, m. 82.5°, 1-Nitro-3,4-dibromo-5-chlorobenzene, yellowish prisms, m. 99.5°, and 1-nitro-3-chloro-4-iodo-5 bromobenzene, needles, 159°, by replacing NH2 with a halogen in the preceding nitroaniline. 1,2-Dibromo-3-chlorobenzene, by reducing 3,4,5-Br2ClC6H2NO2, rhombic plates. m. 72.6°. 2,4-Cl(O2N)C6H2NH22, in HOAc + ClI gives 1-nitro-3-chloro-5-iodo-4-aniline, bright yellow needles, 195°; monoacetyl derivative, white prisms, m. 207°; diacetyl derivative, prisms, m. 113°, monoclinic, a : b : c = 1.038 :-1 : 0.799, β = 71.44°, d. 1.913. This aniline gives 1-nitro-3-chloro-5-iodobenzene, yellow prisms, m. 70.4° by replacing NH2 with Cl. 1-Nitro-3,4-dichloro-5-iodobenzene, from the aniline with Cl, bright yellow prisms, m. 59°, is not easily reduced by FeSO4 + NH3, but Sn + HCl gives 3,5-CHC6H3NH2, plates, m. 69.8°; with Br the aniline gives 1-nitro-3-chloro-4-bromo-5-iodobenzene, almost colorless needles, m. 95°; and with I it gives 1-nitro-3-chloro-4,5-diiodobenzene, almost colorless needles, m. 146.5°. 3,4,5-Cl2IC6H2NO2 + (NH4)2S in EtOH gives 3,4-Cl2C6H3NH2. 2,4-Br(O2N)C6H3NH2 + CH in HOAc gives 1-nitro-3-bromo-5-iodo-4-aniline, needles, m. 221°; monoacetyl derivative, yellowish prisms, m. 226°; diacetyl derivative, prisms, m. 134°, triclinic pinacoidal, a : b : C = 0.9470 : 1 : 0.7288, α = 83° 59′ 54”, β = 77° 30′ 18”, γ = 99° 6′ 14”, d.2.112. 1-Nitro-3-bromo-5-iodobenzene, by replacing NH2 with H in the preceding aniline, needles, m. 97.5°; 1-nitro-3-bromo-4-chloro-5-iodobenzene, by replacing NH2 with Cl, yellowish prisms or colorless needles, m. 84°.

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Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Photocytotoxic Pt(IV) complexes as prospective anticancer agents.COA of Formula: C8H12Cl2Pt.

The use of Pt(IV) complexes as potential anticancer drugs is attractive, because they have higher stability and less side effects than Pt(II) compounds Moreover, some Pt(IV) complexes can also be activated with light, opening an avenue to photochemotherapy. Our purpose is to widen the library of photoactivatable Pt(II)-based prodrugs and here we report on the oxidation of the Pt(II) compound [PtCl(4′-phenyl-2,2′:6′,2”-terpyridine)][CF3SO3] (1) with PhICl2 or H2O2. The synthetic procedure avoids the formation of multiple species: the treatment with PhICl2 produces the Pt(IV) complex with axial chlorides, [PtCl3(4′-phenyl-2,2′:6′,2”-terpyridine)][CF3SO3] (2), while H2O2 oxidation and post-synthesis carboxylation produce [Pt(OCOCH3)2Cl(4′-phenyl-2,2′:6′,2”-terpyridine)][CF3SO3] (3), bearing acetates in the axial positions. 2 and 3 are stable in physiol.-like buffers and in DMSO in the dark, but undergo photoreduction to 1 upon irradiation at 365 nm. Their stability toward reduction is a fundamental parameter to consider: cyclic voltammetry experiments show that the 2 electron reduction Pt(IV) → Pt(II) occurs at a more neg. potential for 3, because of the greater stabilization provided by the acetate axial groups; noteworthily, 3 is stable for hours also in the presence of mM concentration of glutathione. The cytotoxicity of 2 and 3 toward A2780 and A2780cis cell lines reveals that 3 is the least toxic in the dark, but is able to produce cytotoxic effects far higher than cisplatin when irradiated. To shed light on the mechanistic aspects, the interaction with protein and DNA models has been explored through high-resolution mass spectrometry revealing that 2 and 3 behave as prodrugs, but are able to bind to biol. targets only after irradiation

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Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Photochemistry of 1,5-Cyclooctadiene Platinum Complexes for Photoassisted Chemical Vapor Deposition》. Authors are Liu, Hanwen; Brewer, Christopher R.; Walker, Amy V.; McElwee-White, Lisa.The article about the compound:Dichloro(1,5-cyclooctadiene)platinum(II)cas:12080-32-9,SMILESS:C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-]).Recommanded Product: Dichloro(1,5-cyclooctadiene)platinum(II). Through the article, more information about this compound (cas:12080-32-9) is conveyed.

Quantum yields for disappearance of (COD)PtMe2 (1a) and (COD)PtMeCl (1b) were determined at 334 nm in C6D6 solvent. Chain reactions initiated by formation of a Me radical were proposed to be the cause of quantum yields higher than unity (Φ = 5.52 ± 0.40 for 1a) when the reaction mixtures included C4F9I. The chain reactions were suppressed in the presence of the radical trap 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO), which resulted in measured disappearance quantum yields of Φ = 0.037 ± 0.003 for (COD)PtMe2 and Φ = 0.44 ± 0.02 for (COD)PtMeCl at 334 nm. Weak luminescence was observed for 1a and 1b, and it was determined that emissive decay is not competitive with Pt-CH3 bond homolysis. DFT studies enabled assignment of both SBLCT and MLCT transitions in the UV/vis spectra of 1a, while 1b only exhibits MLCT transitions. These effects can be attributed to the symmetry of the mol. and its electronic structure.

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Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts