I want to prepare one amine-protected phenylenediamine (another amine must be free).
CF3C(O)OMe + H2N-R-NH2, molar ratio due 1 : 1, without of reagents excess, amine add to the ether slowly by Intensive stirring.
Mono-BOC protection is also known for aryl and alkyl diamines
http://www.tandfonline.com/doi/abs/10.1081/SCC-100106036#.UnzvL_k4Wb8
http://www.tandfonline.com/doi/abs/10.1080/00397910601131403#.UnzvJ_k4Wb8
Any methods, any solvents, or mixture of solvents necessary to crystallize.
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