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(Aminoethynyl) Metalations, 17. - Reactions of (Silyl-, Germyl-, and Stannylethynyl)amines with Diethyl Carbonylmalonate
Himbert, Gerhard,Henn, Lothar
, p. 381 - 383 (2007/10/02)
The metalated ynamines 1 a-i react with diethyl carbonylmalonate (2) to yield the 4-pyrones 5 a-i.The formation of these cycloadducts is assumed to be accompanied or even preceded by aminoethynyl metalation giving the enynamines 4.Under hydrolytic c
