Category: 20880-92-6

Related Products of 20880-92-6On May 7, 2021 ,《Hexafluoroisopropyl Sulfamate: A Useful Reagent for the Synthesis of Sulfamates and Sulfamides》 appeared in Organic Letters. The author of the article were Sguazzin, Matthew A.; Johnson, Jarrod W.; Magolan, Jakob. The article conveys some information:

Sulfamates and sulfamides were most often synthesized from alcs. and amines with sulfamoyl chloride, which was an unstable reagent. Hexafluoroisopropyl sulfamate (HFIPS) as a bench-stable solid that reacts readily with a wide variety of alcs., amines, phenols, and anilines under mild reaction conditions was identified. The sole byproduct of the reaction was hexafluoroisopropanol (HFIP) and reaction products was often isolated in high purity after an aqueous workup (optional) and removal of solvents by evaporation((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Related Products of 20880-92-6) was used in this study.

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​. And it is used as chiral auxiliaries in Michael and Aldol addition reactions.Related Products of 20880-92-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The author of 《Construction of diverse C-S/C-Se bonds via nickel catalyzed reductive coupling employing thiosulfonates and a selenosulfonate under mild conditions》 were Liu, Yong; Xing, Shuya; Zhang, Jing; Liu, Wen; Xu, Yuenian; Zhang, Yan; Yang, Kefang; Yang, Lei; Jiang, Kezhi; Shao, Xinxin. And the article was published in Organic Chemistry Frontiers in 2022. COA of Formula: C12H20O6 The author mentioned the following in the article:

A nickel-catalyzed reductive cross coupling between organic iodides and thiosulfonates and a selenosulfonate under mild conditions was disclosed. This practical method provides a facile access to a series of unsym. thioethers with low catalyst loading, good functional group tolerance, and excellent chemo-selectivity. Notably, the synthetic applications of the approach feature scaling-up of reactions, late-stage modification of pharmaceuticals, and preparation of various useful targeted compounds, including sulfoximine, bipyridine, and vortioxetine. Primary mechanistic studies showed that a radical pathway was involved. Moreover, diverse C-S/C-Se bond formations were achieved under mild reaction conditions. The experimental process involved the reaction of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6COA of Formula: C12H20O6)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​. And it is used as chiral auxiliaries in Michael and Aldol addition reactions.COA of Formula: C12H20O6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2019,Advanced Synthesis & Catalysis included an article by Wu, Rui; Li, Jun; Wang, Yajun; Quan, Zhengjun; Su, Yingpeng; Huo, Congde. Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol. The article was titled 《Copper-catalyzed aerobic oxidative dehydrogenative ring-opening reaction of glycine esters with α’-angelicalactone: Approach to construct α-amino-γ-ketopimelates》. The information in the text is summarized as follows:

A copper-catalyzed aerobic oxidative dehydrogenative reaction of glycine derivatives with α’-angelicalactone is achieved under mild and simple reaction conditions. This strategy can be applicable to a wide range of glycine esters, including complex substrates derived from (+)-dehydroisoandrosterone or menthol, thus enabling the oxidative dehydrogenative ring-opening reaction for producing diverse functionalized α-amino-γ-ketopimelate derivatives in an atom-economic manner. In the experiment, the researchers used many compounds, for example, ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​. And it is used as chiral auxiliaries in Michael and Aldol addition reactions.Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Tu, Jia-Lin; Tang, Wan; Xu, Wei; Liu, Feng published an article on February 5 ,2021. The article was titled 《Iminyl-Radical-Promoted C-C Bond Cleavage/Heck-Like Coupling via Dual Cobaloxime and Photoredox Catalysis》, and you may find the article in Journal of Organic Chemistry.Related Products of 20880-92-6 The information in the text is summarized as follows:

Herein an unprecedented protocol for radical-olefin coupling of α-imino-oxy acids and alkenes for the synthesis of alkene-containing nitriles via synergistic photoredox and cobaloxime catalysis was reported. With visible-light irradiation, the transformation provided a variety of corresponding alkene-containing nitriles under mild reaction conditions. The C-C bond cleavage/Heck-like coupling reaction generated E-selective coupling products with excellent chemo- and stereo-selectivity. This iminyl-radical-mediated reaction was external-oxidant-free, exhibited wide functional-group compatibility, and occurred with the extrusion of acetone, H2, and CO2. The experimental process involved the reaction of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Related Products of 20880-92-6)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​. And it is used as chiral auxiliaries in Michael and Aldol addition reactions.Related Products of 20880-92-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Lu, Xiao-Yu; Xia, Ze-Jie; Gao, Ang; Liu, Qi-Le; Jiang, Run-Chuang; Liu, Chuang-Chuang published an article in Journal of Organic Chemistry. The title of the article was 《Dual Nickel/Ruthenium Strategy for Photoinduced Decarboxylative Cross-Coupling of α,β-Unsaturated Carboxylic Acids with Cycloketone Oxime Esters》.Formula: C12H20O6 The author mentioned the following in the article:

Herein, a dual nickel/ruthenium strategy is developed for photoinduced decarboxylative cross-coupling between α,β-unsaturated carboxylic acids and cycloketone oxime esters. The reaction mechanism is distinct from previous photoinduced decarboxylation of α,β-unsaturated carboxylic acids. This reaction might proceed through a nickelacyclopropane intermediate. The C(sp2)-C(sp3) bond constructed by the aforementioned reaction provides an efficient approach to obtaining various cyanoalkyl alkenes, which are synthetically valuable organic skeletons in organic and medicinal chem., under mild reaction conditions. The protocol tolerates many critical functional groups and provides a route for the modification of complex organic mols. The results came from multiple reactions, including the reaction of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Formula: C12H20O6)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​. And it is used as chiral auxiliaries in Michael and Aldol addition reactions.Formula: C12H20O6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanolOn October 21, 2021 ,《Metallaphotoredox-enabled deoxygenative arylation of alcohols》 was published in Nature (London, United Kingdom). The article was written by Dong, Zhe; MacMillan, David W. C.. The article contains the following contents:

Metal-catalyzed cross-couplings are a mainstay of organic synthesis and are widely used for the formation of C-C bonds, particularly in the production of unsaturated scaffolds1. However, alkyl cross-couplings using native sp3-hybridized functional groups such as alcs. remain relatively underdeveloped2. In particular, a robust and general method for the direct deoxygenative coupling of alcs. would have major implications for the field of organic synthesis. A general method for the direct deoxygenative cross-coupling of free alcs. must overcome several challenges, most notably the in situ cleavage of strong C-O bonds3, but would allow access to the vast collection of com. available, structurally diverse alcs. as coupling partners4. Authors report herein a metallaphotoredox-based cross-coupling platform in which free alcs. are activated in situ by N-heterocyclic carbene salts for carbon-carbon bond formation with aryl halide coupling partners. This method is mild, robust, selective and most importantly, capable of accommodating a wide range of primary, secondary and tertiary alcs. as well as pharmaceutically relevant aryl and heteroaryl bromides and chlorides. The power of the transformation has been demonstrated in a number of complex settings, including the late-stage functionalization of Taxol and a modular synthesis of Januvia, an antidiabetic medication. This technol. represents a general strategy for the merger of in situ alc. activation with transition metal catalysis. After reading the article, we found that the author used ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​.Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol And it is used as chiral auxiliaries in Michael and Aldol addition reactions.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Regioselective C(sp3)-H alkylation of a fructopyranose derivative by 1,6-HAT》 was published in Organic & Biomolecular Chemistry in 2021. These research results belong to Li, Yanru; Miyamoto, Shoto; Torigoe, Takeru; Kuninobu, Yoichiro. Recommanded Product: 20880-92-6 The article mentions the following:

Regioselective C(sp3)-H alkylation of a fructopyranose derivative using electron-deficient alkenes as alkylation reagents was achieved. The reaction proceeded via 1,6-hydrogen atom transfer under photoredox iridium catalysis. Several functional groups were introduced into the fructopyranose derivative The experimental process involved the reaction of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Recommanded Product: 20880-92-6)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​.Recommanded Product: 20880-92-6 And it is used as chiral auxiliaries in Michael and Aldol addition reactions.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Xing, Wei-Long; Wang, Jia-Xin; Fu, Ming-Chen; Fu, Yao published an article on February 1 ,2022. The article was titled 《Efficient Decarboxylative/Defluorinative Alkylation for the Synthesis of gem-Difluoroalkenes through an SN2′ Type Route》, and you may find the article in Chinese Journal of Chemistry.Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol The information in the text is summarized as follows:

An efficient decarboxylative/defluorinative alkylation for synthesizing gem-difluoroalkenes F2C:CRCH2CR1R2R3 [R = 4-PhC6H4, naphthalen-2-yl, 1-methyl-1H-indol-5-yl, etc.; R1 = H, Me, Et; R2 = H, Me, Et, Ph, etc.; R1R2 = (CH2)3; R3 = Ph, CN, COOEt, etc.] is described, providing a general method for installation of the challenging alkyl fragments containing γ-electron-withdrawing groups into γ-trifluoromethyl alkenes RC(CF3):CH2. Mechanistic studies suggest that this process involves an SN2′-type synthetic route in the absence of transition-metal catalysts or photocatalysis. Moreover, this protocol can easily be scaled up, and successfully applied to the modification of biol. active mols., thus complementing methodologies that give access to structurally versatile gem-difluoroalkenes. The experimental process involved the reaction of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​. And it is used as chiral auxiliaries in Michael and Aldol addition reactions.Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The author of 《Base-Mediated O-Arylation of Alcohols and Phenols by Triarylsulfonium Triflates》 were Ming, Xiao-Xia; Tian, Ze-Yu; Zhang, Cheng-Pan. And the article was published in Chemistry – An Asian Journal in 2019. Recommanded Product: 20880-92-6 The author mentioned the following in the article:

A mild and efficient protocol for O-arylation of alcs. and phenols by triarylsulfonium triflates was developed under transition-metal-free conditions. Various alcs., including primary, secondary and tertiary and phenols bearing either electron-donating or electron-withdrawing groups on the aryl rings were smoothly converted to form the corresponding aromatic ethers e.g., I in moderate to excellent yields. The reactions were conducted at 50 or 80 °C for 24 h in the presence of a certain base and showed good functional group tolerance. The base-mediated arylation with asym. triarylsulfonium salts could selectively transfer the aryl groups of sulfoniums to alcs., depending on their inherent electronic nature. The mechanistic studies revealed that the reaction might proceed through the nucleophilic attack of the in situ formed alkoxy or phenoxy anions at the aromatic carbon atoms of the C-S bonds of triarylsulfonium cations to furnish the target products. In the experiment, the researchers used ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Recommanded Product: 20880-92-6)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​. And it is used as chiral auxiliaries in Michael and Aldol addition reactions.Recommanded Product: 20880-92-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Application of 20880-92-6On March 6, 2020, Jakas, Andreja; Visnjevac, Aleksandar; Jeric, Ivanka published an article in Journal of Organic Chemistry. The article was 《Multicomponent Approach to Homo- and Hetero-Multivalent Glycomimetics Bearing Rare Monosaccharides》. The article mentions the following:

We applied a multicomponent approach to access a library of densely functionalized homo- and hetero-multivalent glycomimetics comprising aldehyde, amine, and isocyanide components related to isopropylidene-protected D-fructose, L-sorbose, D-galactose, and D-allose. Passerini products were obtained in very good yields (up to 78%) and high diastereoselectivities (up to 98:2). Three types of products were obtained by the Ugi reaction; along with the “”classical”” four-component product, α-acylaminoamides, a three-component α-aminoamides, and a four- component α-aminoacylamides were isolated. The presence of multiple pathways is rationalized by the structure of the imidate intermediate, mainly influenced by the amine component. In the part of experimental materials, we found many familiar compounds, such as ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Application of 20880-92-6)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​.Application of 20880-92-6 And it is used as chiral auxiliaries in Michael and Aldol addition reactions.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts