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Use of amidinoyl isothiocyanates in the synthesis of condensed heterocycles. Preparation of 2,3-dihydroimidazo- and 2,3,4-trihydropyrimido[1,2-c]quinazolines

Š. Stankovský and A. Filip

Department of Organic Chemistry, Slovak Technical University, CSS 12 37 Bratislava

 

Abstract: Reactions of substituted 4-(2-hydroxyethylamino)- and 4-(3-hydroxypropylamino)quinazoIines with phosphoric oxychloride or with concentrated hydrochloric acid under heating are described. New reaction intermediates and final imidazo- and pyrimido[l,2-c]quinazolines were characterized by infrared and ultraviolet absorption spectra.

Full paper in Portable Document Format: 385a677.pdf

 

Chemical Papers 38 (5) 677–685 (1984)

Tuesday, April 16, 2024

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