Specific examples of the malononitrile derivative represented by {TAIL ~ the general formula} which can be applied to {HEAD ~ the trifluoromethylating agent} of the present invention include α methylbenzylidenemalononitrile, α ethylbenzylidenemalononitrile, 2 (2,3 dihydronaphthalen 4 ylidene)malononitrile, and the like 
Specific examples of the malononitrile derivative represented by { TAIL ~ the general formula } which can be applied to { HEAD ~ the trifluoromethylating agent } of the present invention include α methylbenzylidenemalononitrile , α ethylbenzylidenemalononitrile , 2 ( 2,3 dihydronaphthalen 4 ylidene)malononitrile , and the like
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH