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Note | Regular issue | Vol 45, No. 4, 1997, pp.787-794
Published online, 1st January, 1970
DOI: 10.3987/COM-96-7660
Heterocycles from 2-Aminopyridine and Derivatives of 3-Methylbenzofuran-2-carboxylic Acid

Yvette A. Jackson* and Mark F. Williams

*Department of Chemistry, Mona Campus, University of the West Indies, Mona, Kingston 7, Jamaica, West Indies

Abstract

3-Bromoethyl-2-carboethoxy-5,6-dimethoxybenzofuran (3b) reacted with 2-aminopyridine to give not only the expected 2-carboethoxy-5,6-dimethoxy-3-benzofuranmethyl-2’-aminopyridinium bromide (4b), but also N-(2-carboethoxy-5,6-dimethoxy-3-benzofuranmethyl)-N-2-pyridylamine (5). Synthesis of 3-methoxy-6,7,12-trihydro-6-oxo-[1]benzofurano[2,3-c]-1H-pyrido[1,2-a][1,3]diazepinium bromide (12) is also described.