抄録
The B-homo-ketone formed by the Tiffeneau reaction of cholestan-6-one and -7-one is the same and the fact proved that the structure of this B-homo-ketone is 5α, 8β-7-one. In order to examine the physiological disturbances and therapeutic effect on climactic disturbances based on this method, B-homo-5α-pregnane-3α, 20α-diol was synthesized.
