The hitherto unknown 1-benzoyl-4,5-dihydro-4,5-dimethylene-3-phenyl-1H-pyrazole (the pyrazole analogue of ortho-quinodimethane) has been generated in solution and trapped with symmetrical and unsymmetrical dienophiles.
迄今未知的1-苯甲酰基-4,5-二氢-4,5-二亚甲基-3-苯基-1 H-
吡唑(邻
喹啉二
甲烷的
吡唑类似物)已在溶液中生成,并被对称和不对称的亲二烯体捕获。