Regioselective Syntheses of 2-and 4-Formylpyrido [2, 1-b] benzoxazoles

KL Li, ZB Du, CC Guo, QY Chen

Index: Meth-Cohn, Otto; Westwood, Keith T. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , p. 2089 - 2092

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Citation Number: 15

Abstract

... The Journal of Organic ... Since excess POCl 3 played a vital role in Meth-Cohn quinoline synthesis,(17d) various amounts of POCl 3 were then examined (entries 2, 8−10, and 12, Table 1). The ... entry, DMF (equiv), POCl 3 (equiv), refluxing solvent, t o b (t i c ) (°C), T (h), 3d, 4d, 5d e. ...