Pseudocine substitution via internal delivery. Formal cyclopentadienone-ketone Michael adducts from 4-hydroxycyclopentenones
作者:F. G. West、Gamini U. Gunawardena
DOI:10.1021/jo00071a008
日期:1993.9
4-Hydroxycyclopentenones can be converted to 4-(2'-oxoalkyl)cyclopentenones in one pot upon treatment with diketene and DBU via intramolecular Michael addition of the intermediate beta-keto esters.
WEST, F. G.;FISHER, PETER V.;WILLOUGHBY, C. A., J. ORG. CHEM., 55,(1990) N4, C. 5936-5938