(2R,3S,24S)-2,3-diacetoxy-22,23-epoxy -24-ethyl-.beta.-homo-7-ox

Details (2R,3S,24S)-2,3-diacetoxy-22,23-epoxy -24-ethyl-.beta.-homo-7-ox (2R,3S,24S)-2,3-diacetoxy-22,23-epoxy -24-ethyl-.beta.-homo-7-ox

1998-03-30

1999-12-28

Trinh, Ba K.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31306, C07D31310

Patent

active

060083808

ABSTRACT:
The present invention relates to a novel compound namely (2R,3S,24S)-2,3-diacetoxy-22,23-epoxy-24-ethyl-.beta.-homo-7-oxa-5.alpha.- cholestan-6-one and a process for the preparation thereof. The said compound is represented by the structural formula ##STR1## The said compound is a crucial intermediate in the synthesis of honobrassinolide having molecular formula C.sub.29 H.sub.50 O.sub.6.

REFERENCES:
Nobuo Ikekawa et al., Chem. Pharm. Bull. 1982, 30, 4181-4185.
Kenji Mori et al., Tetrahedron 1982, 38, 2099-2109.
C. W. Shoppe et al., J. Chem. Soc. 1957, 3100-3107.
B.G. Hazra et al.., J. Chem. Soc. Perkin Trans. I, 1994, 1667-1669.

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