Chiral sulfur compounds. 9. Stereochemistry of the intermolecular and intramolecular conjugate additions of amines and anions to chiral (E)- and (Z)-vinyl sulfoxides. Total syntheses of (R)-(+)-carnegine and (+)- and (-)-sedamine
Asymmetric intramolecular conjugate addition of amines to chiral vinyl sulphoxides. Total synthesis of (R)-(+)-carnegine
作者:Stephen G. Pyne、Sandra L. Chapman
DOI:10.1039/c39860001688
日期:——
The (E)- and (Z)-vinyl sulphoxides (3) and (4) upon treatment with base, undergo cyclization to give chiral isoquinolines one of which was converted into (R)-(+)-carnegine.