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essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

CAS号：79298-36-5

英文名：essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

分子式：C32H50O5

分子量：514.736

合成路线

(S)-4-(2-bromaethyl)-2,2,4-trimethyl-1,3-dioxolan

(S)-4-(2-bromaethyl)-2,2,4-trimethyl-1,3-dioxolan

essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

(22RS,25S)-25,26-(isopropylidendioxy)-6β-methoxy-22-hydroxy-3α,5-cyclo-5α-cholestan

(22RS,25S)-25,26-(isopropylidendioxy)-6β-methoxy-22-hydroxy-3α,5-cyclo-5α-cholestan

essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

Methanesulfonic acid (S)-2-((1aR,3aR,3bS,5aS,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-1-[2-((S)-2,2,4-trimethyl-[1,3]dioxolan-4-yl)-ethyl]-propyl ester

Methanesulfonic acid (S)-2-((1aR,3aR,3bS,5aS,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-1-[2-((S)-2,2,4-trimethyl-[1,3]dioxolan-4-yl)-ethyl]-propyl ester

essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

(25S)-25,26-(isopropylidendioxy)-6β-methoxy-3α,5-cyclo-5α-cholestan

(25S)-25,26-(isopropylidendioxy)-6β-methoxy-3α,5-cyclo-5α-cholestan

essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

essigsaure<(25S)-25,26-(isopropylidendioxy)-7-oxocholest-5-en-3β-yl>ester

上游原料

(22RS,25S)-25,26-(isopropylidendioxy)-6β-methoxy-22-hydroxy-3α,5-cyclo-5α-cholestan Methanesulfonic acid (S)-2-((1aR,3aR,3bS,5aS,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-1-[2-((S)-2,2,4-trimethyl-[1,3]dioxolan-4-yl)-ethyl]-propyl ester (S)-4-(2-bromaethyl)-2,2,4-trimethyl-1,3-dioxolan (25S)-25,26-(isopropylidendioxy)-6β-methoxy-3α,5-cyclo-5α-cholestan

下游产品

(25S)-cholesta-5,7-dien-3β,25,26-triol 25(S),26-Dihydroxyvitamin D3