Li, Jun published the artcileSynthesis, properties and drug potential of the photosensitive alkyl- and alkylsiloxy-ligated silicon phthalocyanine Pc 227, SDS of cas: 597-52-4, the publication is Photochemical & Photobiological Sciences (2014), 13(12), 1690-1698, database is CAplus and MEDLINE.
The photosensitive, alkyl- and alkylsiloxy-ligated Si phthalocyanine, SiPc[(CH2)3SH][OSiMe2(CH2)3NMe2], Pc 227, was prepared and characterized. This phthalocyanine yields the exptl. photodynamic therapy (PDT) drug Pc 4, SiPc[OH][OSiMe2(CH2)3NMe2], when irradiated with red light. To provide an understanding of the process by which Pc 227 and other alkyl-alkylsiloxysilicon phthalocyanines such as Pc 227 are photolyzed, bond dissociation energy, natural bond orbital (NBO) charge distribution, spin d. distribution, nucleus-independent chem. shift (NICS), and electron localization function (ELF) calculations were carried out on two models related to it. These show that the lowest energy pathway for the photolysis of Pc 227 is a homolysis involving a phthalocyanine π radical having a low SiPc-C bond dissociation energy. The promise of the results of this study for synthetic chem. and drug development is discussed.
Photochemical & Photobiological Sciences published new progress about 597-52-4. 597-52-4 belongs to alcohols-buliding-blocks, auxiliary class Aliphatic Chain, name is Triethylsilanol, and the molecular formula is C6H16OSi, SDS of cas: 597-52-4.
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