]s were prepared and oxidized to generate the corresponding bis-DPPH diradicals. No triplet species was observed for the compounds with X = H in the ESR measurement. Modification of the central benzene ring (X = Me) and N-phenyl group (Y = OMe, Ph, t-Bu) allowed the detection of their triplet diradicals. Especially, the diradical with X = Me, Y = t-Bu was successfully purified, isolated at 0 °C as
Synthesis and electrochemistry of pyrimidoquinazoline-5,10-diones. Design of hydrolytically stable high potential quinones and new reductive alkylation systems
作者:Edward B. Skibo、James H. Gilchrist
DOI:10.1021/jo00253a010
日期:1988.9
DE236848
申请人:——
公开号:——
公开(公告)日:——
SKIBO, EDWARD B.;GILCHRIST, JAMES H., J. ORG. CHEM., 53,(1988) N 18, C. 4209-4218