4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole

4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole Structure
CAS No.
308357-81-5
Chemical Name:
4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole
Synonyms
Paclitaxel Impurity 74;4-[(1E,3S,5Z,10S)-3,11-Bis[[(1,1-diMethylethyl)diMethylsilyl]oxy]-2,6,10-triMethyl-8-(phenylsulfonyl)-1,5-undecadi;4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole;Thiazole, 4-[(1E,3S,5Z,10S)-3,11-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,6,10-trimethyl-8-(phenylsulfonyl)-1,5-undecadien-1-yl]-2-methyl-
CBNumber:
CB01175808
Molecular Formula:
C36H61NO4S2Si2
Molecular Weight:
692.17
MOL File:
308357-81-5.mol
Modify Date:
2023/5/25 8:31:34

4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole Properties

Boiling point 691.6±55.0 °C(Predicted)
Density 1.027±0.06 g/cm3(Predicted)
solubility Chloroform, Dichloromethane, Ethanol, Ethyl Acetate, Methanol, Toluene
pka 2.72±0.10(Predicted)
form Oil
color Colourless
CAS DataBase Reference 308357-81-5

4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole Chemical Properties,Uses,Production

Chemical Properties

Colourless Oil

Uses

An intermediate in the synthesis of Epothilones. Epothilones are polyketide natural products that inhibit cancer cells by a mechanism similar to paclitaxel, and also are effective against paclitaxel-resistant tumours. Epothilone D is in phase I clinical testing of in patients with advanced solid tumours. Epothilone D is a cytotoxic macrolide that stabilises malignant cells' microtubules and arrests mitosis, a characteristic it shares with other epothilones. They bind to the same hepatic sites as does paclitaxel (Taxol) in a 1:1 stoichiometric ratio of a, b-tubulin heterodimers.

4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole Preparation Products And Raw materials

4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole Suppliers

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4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole 4-[(1E,3S,5Z,10S)-3,11-Bis[[(1,1-diMethylethyl)diMethylsilyl]oxy]-2,6,10-triMethyl-8-(phenylsulfonyl)-1,5-undecadi Thiazole, 4-[(1E,3S,5Z,10S)-3,11-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,6,10-trimethyl-8-(phenylsulfonyl)-1,5-undecadien-1-yl]-2-methyl- Paclitaxel Impurity 74 308357-81-5 C36H61NO4S2Si2 Chiral Reagents