Stereoselective reactions. VII. Synthesis of racemic and optically pure stegane, isostegane, picrostegane, and isopicrostegane via highly selective isomerization.
TOMIOKA, KIYOSHI;KAWASAKI, HISASHI;KOGA, KENJI, CHEM. AND PHARM. BULL., 38,(1990) N, C. 1899-1901
作者:TOMIOKA, KIYOSHI、KAWASAKI, HISASHI、KOGA, KENJI
DOI:——
日期:——
Stereoselective reactions. VII. Synthesis of racemic and optically pure stegane, isostegane, picrostegane, and isopicrostegane via highly selective isomerization.
作者:KIYOSHI TOMIOKA、HIDEMICHI MIZUGUCHI、TSUNEO ISHIGURO、KENJI KOGA
DOI:10.1248/cpb.33.121
日期:——
Novel isomerizations of isostegane (6) into the three other possible isomers, namely, isopicrostegane (7), picrostegane (8), and stegane (9) are described. All the possible enantiomers were synthesized.