TAHARA AKIRA , SHIMAGAKI MASAYUKI , ITOH MASAYOSHI , HARIGAYA YOSHIHIRO , ONDA MASAYUKI

The steroidal D-rings (31 and 37), along with 32 and 38, were synthesized by the use of a part or whole of the carbon units of the isopropyl group of l-abietic acid (1), via oxidation of 18 or 20 with …

Chemical and Pharmaceutical Bulletin 23(12), 3189-3202, 1975

J-STAGE  Ichushi Web