SELF-QUENCHING REACTION OF (PHENOXYMETHYL)CHLOROCARBENE WITH DIAZIRINE

被引:6
作者
LIU, MTH [1 ]
CHATEAUNEUF, JE [1 ]
机构
[1] UNIV NOTRE DAME,RADIAT LAB,NOTRE DAME,IN 46556
关键词
D O I
10.1163/156856794X00199
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The combination of laser flash photolysis and product analysis demonstrates that even though (phenoxymethyl)chlorocarbene reacts with its diazirine precursor with a substantial rate constant of 3.5 x 10(8) M(-1)s(-1), the predicted azine product is not formed. These results indicate either carbene/diazirine reversibility or subsequent hydrogen migration of the carbene/diazirine adduct. Also, a rate constant of 2.0 x 10(7) s(-1) for the 12-hydrogen atom migration in (p-nitrophenoxymethyl)chlorocarbene has been determined using the pyridinium ylide technique.
引用
收藏
页码:195 / 199
页数:5
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