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ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

CAS号：882051-83-4

英文名：ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

分子式：C34H54O8

分子量：590.788

合成路线

(E)-(R)-4-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aR)-8,8,10a,12a-Tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-pent-2-enoic acid ethyl ester

(E)-(R)-4-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aR)-8,8,10a,12a-Tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-pent-2-enoic acid ethyl ester

ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

(20S)-2α,3α-isopropylidenedioxy-5α-pregnan-6-one-20-carbaldehyde

(20S)-2α,3α-isopropylidenedioxy-5α-pregnan-6-one-20-carbaldehyde

ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

ethyl (22R,23S)-2α,3α-isopropylidenedioxy-22,23-dihydroxy-6-oxo-5α-cholan-24-oate

ethyl (22R,23S)-2α,3α-isopropylidenedioxy-22,23-dihydroxy-6-oxo-5α-cholan-24-oate

ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

上游原料

(E)-(R)-4-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aR)-8,8,10a,12a-Tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-pent-2-enoic acid ethyl ester ethyl (22R,23S)-2α,3α-isopropylidenedioxy-22,23-dihydroxy-6-oxo-5α-cholan-24-oate (20S)-2α,3α-isopropylidenedioxy-5α-pregnan-6-one-20-carbaldehyde

下游产品

26,27-bisnorcastasterone