PENTACYCLIC STEROIDS. V: TOTAL SYNTHESIS OF 4,6BETA -ETHANO-3-METHOXY-8 ALPHA -ESTRA-1,3,5 (10)-TRIEN-17BETA -OL AND 4,6 ALPHA -ETHANO-3-METHOXYESTRA-1,3,5 (10), 8,14-PENTAEN-17-ONEGHOSH AC; HAZRA BG; KARUP NIELSEN I et al.1979; J. ORG. CHEM.; USA; DA. 1979; VOL. 44; NO 5; PP. 683-688; BIBL. 12 REF.Article

SYNTHETIC STUDIES TOWARD COMPLEX DITERPENOIDS. X: STEREOCONTROLLED TOTAL SYNTHESIS OF ( +OU- )-19ALPHA ,20ALPHA -(ACETYLIMINO)-12-HYDROXY-5BETA ,10ALPHA -PODOCARPA-8,11,13-TRIENE, A DEGRADATION PRODUCT OF ATISINEUSHA RANJAN GHATAK; SHAIKH KHAIRUL ALAM; RAY JK et al.1978; J. ORG. CHEM.; USA; DA. 1978; VOL. 43; NO 24; PP. 4598-4604; BIBL. 16 REF.Article