615251-47-3

Basic information

• Product Name: toluene-4-sulfonic acid (S)-2-(tert-butyl-dimethyl-silanyloxy)-2-cyclopropyl-ethyl ester
• Synonyms: toluene-4-sulfonic acid (S)-2-(tert-butyl-dimethyl-silanyloxy)-2-cyclopropyl-ethyl ester
• CAS NO: 615251-47-3
• Molecular Weight: 370.585
• Mol File: 615251-47-3.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: toluene-4-sulfonic acid (S)-2-(tert-butyl-dimethyl-silanyloxy)-2-cyclopropyl-ethyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: toluene-4-sulfonic acid (S)-2-(tert-butyl-dimethyl-silanyloxy)-2-cyclopropyl-ethyl ester(615251-47-3)
• EPA Substance Registry System: toluene-4-sulfonic acid (S)-2-(tert-butyl-dimethyl-silanyloxy)-2-cyclopropyl-ethyl ester(615251-47-3)

Safety Data

• Hazardous Substances Data: 615251-47-3(Hazardous Substances Data)

Upstream product

• 69739-34-0 t-butyldimethylsiyl triflate 
• 615251-46-2 toluene-4-sulfonic acid (S)-2-cyclopropyl-2-hydroxy-ethyl ester 
• 18162-48-6 tert-butyldimethylsilyl chloride 
• 98-59-9 p-toluenesulfonyl chloride 

Downstream Products

• 112965-21-6 calcipotriene 

Relevant articles and documents

Calcipotriol intermediate compound and preparation method thereof

The invention discloses a calcipotriol intermediate compound and a preparation method thereof. The structure of the compound is represented by general formula I shown in the description. In the general formula I, R1 is selected from a carbobenzoxy group (Cbz), a trimethylsilyl group (TMS), a triethylsilyl group (TES), a t-butyldimethylsilyl group (TBDMS), a triisopropylsilyl group (TIPS), a t-butyl-diphenylsilyl group (TBDPS) or a methoxymethyl group (MOM); and R2 is one of groups shown in the description.

PREPARATION OF 24 ALKYL ANALOGS OF CHOLECALCIFEROL AND NON-RACEMIC COMPOUNDS

Disclosed is a process for the preparation of 24 -alkyl analogs of cholecalcyferol of Formula 1 having a (5E) or (5Z) configuration, wherein X represents a hydrogen atom, a hydroxy group or an OR1 group, wherein R1, R2