Reaction of Some Heterocyclic Formamidines with Trimethylsilylethynyllithium

W Ajana, M Helliwell, D Collison, CD Garner…

Index: Ajana; Helliwell; Collison; Garner; Joule Chemistry of Heterocyclic Compounds, 2001 , vol. 37, # 11 p. 1375 - 1387

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Abstract

Abstract The reaction of a 2-[(dimethylamino) methyleneamino] pteridine, two 2- [(dimethylamino) methyleneamino] pyrimidines, and a 2-[(dimethylamino) methyleneamino] pyrido [2, 3-d] pyrimidine with trimethylsilylethynylithium in the presence of benzyl chloroformate leads to the corresponding 2-[bis (trimethylsilylethynyl) methylamino]- substituted heterocycles. A series of such substrates was prepared and some of the ...