The Journal of Organic Chemistry

Imidazo [4, 5-d] pyridazines. I. Synthesis of 4, 7-Disubstituted Derivatives1

RN CASTLE, WS SEESE

Index: Castle; Seese Journal of Organic Chemistry, 1958 , vol. 23, p. 1534,1536

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Citation Number: 43

Abstract

Dimethiil imidazole-1.5-dicarboxulate (11). I4 This comoound wis prepared according to procedure b of Baxter ind Spring. 15 Further purification from hot water gave colorless crystals, melting at 207". Anal. Calcd. for C, HsN204: C, 45.56; H, 4.37. Found: C, 45.76; H,