ethyl N-(2,2-dimethylpropanoyl)benzimidate 、
2,2-dimethyl-N-<(1R)-1,3,3-trimethylbicyclo<2.2.1>hept-2-ylidene>propanamidine 在
正丁基锂 作用下,
生成 N
2-(2,2-dimethylpropanoyl)-N
1-<(1R)-1,3,3-trimethylbicyclo<2.2.1>hept-2-ylidene>benzamidine 、 2,6-di-tert-butyl-4-phenyl-6-<<(1R)-1,3,3-trimethylbicyclo<2.2.1>hept-2-ylidene>amino>-1-oxa-3,5-diaza-1,3,5-hexatriene