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N−CN Bond Cleavage of Cyanamides by a Transition-Metal Complex

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journal contribution
posted on 14.01.2009, 00:00 by Kozo Fukumoto, Tsukuru Oya, Masumi Itazaki, Hiroshi Nakazawa
N−CN bond cleavage of cyanamides (R2N−CN) has been attained at room temperature in the reaction of R2N−CN with Cp(CO)2Fe(SiEt3). The mechanistic investigation revealed that silyl migration from Fe to CN nitrogen of cyanamide gave an N-silylated η2-amidino iron complex, which was isolated and characterized by X-ray analysis. Catalytic N−CN bond cleavage was also attained using a methyl molybdenum complex under thermal conditions.