Laser flash photolysis study of substituent effects on the rate of 1,2-H migration in a series of benzylchlorocarbenes
作者:Michael T. H. Liu、Roland Bonneau
DOI:10.1021/ja00036a003
日期:1992.5
Laserflashphotolysis of para-substituted 3-chloro-3-benzyldiazirines in isooctane produces the corresponding carbenes, which react with pyridine to form ylides or undergo 1,2-H migration to form the (Z)- and (E)-β-chlorostyrenes. The rate for the 1,2-H migration is determined by plotting the pseudo-first-order rate constants for the growth of the ylide vs [pyridine] and extrapolating to zero pyridine