The Journal of Organic Chemistry

Pyrimido [4, 5-c] pyridazines. 6. Pyrimido [4, 5-c] pyridazines and 1, 2, 4-triazines from reactions between 6-hydrazinopyrimidin-4 (3H)-ones and vicinal dicarbonyl …

VL Styles, RW Morrison Jr

Index: Styles, Virgil L.; Morrison, Robert W. Journal of Organic Chemistry, 1985 , vol. 50, # 3 p. 346 - 350

Full Text: HTML

Citation Number: 5

Abstract

(m, 4 H, CHzCHz), 1.35 (d, J = 7 Hz, 3 H, CHJ; IR (CHCl,, cm-') 3200-2800 (br s), 1710 (s), 1650 (w), 1600 (w), 1490 (m), 1460 (m), 1310 (m), 990 (9). Anal. Calcd for CI3Hl4O2: C, 77.20; H, 6.98. Found: C, 71.25; H, 7.27. The acid was also obtained by alkylation of the ester 11 with Me1 at -35 "C according to the general procedure followed by saponification of the resulting ester in a mixture of 20 g of KOH in ethanol-water (l:l, v/v). ... Acknowledgment. We thank Dr. G. ...