引用本文:
Wei Gang LU, Cui Xian ZHANG, Jing Yu SU, Long Mei ZENG. Synthesis of 24-Methylene-cholest-5-ene-7-oxo-3β,19-diacetate[J]. Chinese Chemical Letters,
2005, 16(5): 604-606.
Citation: Wei Gang LU, Cui Xian ZHANG, Jing Yu SU, Long Mei ZENG. Synthesis of 24-Methylene-cholest-5-ene-7-oxo-3β,19-diacetate[J]. Chinese Chemical Letters, 2005, 16(5): 604-606.
Citation: Wei Gang LU, Cui Xian ZHANG, Jing Yu SU, Long Mei ZENG. Synthesis of 24-Methylene-cholest-5-ene-7-oxo-3β,19-diacetate[J]. Chinese Chemical Letters, 2005, 16(5): 604-606.
Synthesis of 24-Methylene-cholest-5-ene-7-oxo-3β,19-diacetate
摘要:
24-Methylenecholest-5-ene-7-oxo-3β,19-diacetate 5 was synthesized starting from stigmasterol via twelve step reactions in 4.1% overall yield. It can be served as a key intermediate for the synthesis of 24-methylenecholest-5-ene-3β,7β,19-triol 1, a naturally occuring polyhydroxylated sterol with potential biological activity.
English
Synthesis of 24-Methylene-cholest-5-ene-7-oxo-3β,19-diacetate
Abstract:
24-Methylenecholest-5-ene-7-oxo-3β,19-diacetate 5 was synthesized starting from stigmasterol via twelve step reactions in 4.1% overall yield. It can be served as a key intermediate for the synthesis of 24-methylenecholest-5-ene-3β,7β,19-triol 1, a naturally occuring polyhydroxylated sterol with potential biological activity.
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Key words:
- Methylene-cholest-5-ene-3β,7β,19-triol
- / synthesis
- / allylic oxidation
- / PCC/A12O3
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