141277-87-4

Basic information

• Product Name: 25-<(methoxymethyl)oxy>-10(R),19-dihydro-(5E)-3-epivitamin D₂ tert-butyldimethylsilyl ether
• CAS NO: 141277-87-4
• Molecular Weight: 572.988
• Mol File: 141277-87-4.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 25-<(methoxymethyl)oxy>-10(R),19-dihydro-(5E)-3-epivitamin D₂ tert-butyldimethylsilyl ether(CAS DataBase Reference)
• NIST Chemistry Reference: 25-<(methoxymethyl)oxy>-10(R),19-dihydro-(5E)-3-epivitamin D₂ tert-butyldimethylsilyl ether(141277-87-4)
• EPA Substance Registry System: 25-<(methoxymethyl)oxy>-10(R),19-dihydro-(5E)-3-epivitamin D₂ tert-butyldimethylsilyl ether(141277-87-4)

Safety Data

• Hazardous Substances Data: 141277-87-4(Hazardous Substances Data)

Upstream product

• 142980-90-3 ethyl <(2'R,5'R)-5'-<(tert-butyldimethylsilyl)oxy>-1'-hydroxy-2'-methylcyclohexyl>ethanoate 
• 142980-88-9 ethyl <(2'R,5'R)-5'-acetoxy-1'-hydroxy-2'-methylcyclohexyl>ethanoate 
• 142980-87-8 ethyl <(2'R,5'R)-6-hydroperoxy-2',6-'dimethylbicyclo<3.2.1>-7'-oxaoctyl>ethanoate 
• 142980-89-0 ethyl <(2'R,5'R)-1',5-'dihydroxy-2'-methylcyclohexyl>ethanoate 
• 141277-84-1 (2E)-ethyl <(2'R,5'R)-5'-<(tert-butyldimethylsilyl)oxy>-2'-methylcyclohexylidene>ethanoate 
• 141277-85-2 (2E)-2-<(2'R,5'R)-5'-<(tert-butyldimethylsilyl)oxy>-2'-methylcyclohexylidene>ethanol 
• 18162-48-6 tert-butyldimethylsilyl chloride 
• 100858-26-2 (22E,24S)-de-A,B-25-<(methoxymethyl)oxy>ergost-22-en-8-one 
• 141277-80-7 (2E)-<2-<(2'R,5'R)-5'-<(tert-butyldimethylsilyl)oxy>-2'-methylcyclohexylidene>ethyl>diphenylphosphine oxide 
• 142980-93-6 tert-Butyl-{(1S,4S)-3-[2-chloro-eth-(E)-ylidene]-4-methyl-cyclohexyloxy}-dimethyl-silane 
• 142980-90-3 ethyl <(1'R,2'S,5'S)-5'-<(tert-butyldimethylsilyl)oxy>-1'-hydroxy-2'-methylcyclohexyl>ethanoate 
• 142980-88-9 ethyl <(1'R,2'S,5'S)-5'-acetoxy-1'-hydroxy-2'-methylcyclohexyl>ethanoate 
• 142980-87-8 ethyl <(1'R,2'S,5'S)-6-hydroperoxy-2',6-'dimethylbicyclo<3.2.1>-7'-oxaoctyl>ethanoate 
• 142980-89-0 ethyl <(1'R,2'S,5'S)-1',5-'dihydroxy-2'-methylcyclohexyl>ethanoate 

Downstream Products

• 143060-74-6 25-hydroxy-10(R),19-dihydro-(5E)-3-epivitamin D₂ 
• 98830-20-7 25-hydroxydihydrotachysterol₂ 

Relevant articles and documents

A Convergent Approach to the Dihydrotachysterol Diene System. Application to the Synthesis of Dihydrotachysterol2 (DHT2), 25-Hydroxydihydrotachysterol2 (25-OH-DHT2), 10(R),19-dihydro-(5E)-3-epivitamin D2, and 25-Hydroxy-10(R),19-dihydro-(5E)-3-epivitamin D2

Total synthesis of A-ring fragments of 10(S),19-dihydrovitamins D and 10(R),19-dihydro-(5E)-epivitamins D from (+)-(S)-carvone and (-)-(R)-carvone is described.These fragments were used for convergent synthesis of dihydrotachysterol2 (DHT2), 25-hydroxydihydrotachysterol2, 10(R),19-dihydro-(5E)-3-epivitamin D2, and 25-hydroxy-10(R),19-dihydro-(5E)-3-epivitamin D2.