共 15 条
- [5] CONVERSION OF RESIN ACIDS INTO A STEROID SKELETON - FORMATION OF THE D-RING JOURNAL OF ORGANIC CHEMISTRY, 1985, 50 (20): : 3749 - 3752
- [7] CONVERSION OF DEHYDROABIETIC ACID INTO 20-KETO-C-ARYL-18-NORSTEROIDS - FORMATION OF THE D-RING JOURNAL OF ORGANIC CHEMISTRY, 1988, 53 (16): : 3761 - 3765