Arenesulfonylheterocycles (I): Synthesis and reactions of 2??benzenesulfonyl??4, 5??dichloropyridazin??3??ones with amines

DH Kweon, HK Kim, JJ Kim, HA Chung…

Index: Journal of Heterocyclic Chemistry, , vol. 39, # 1 p. 203 - 211

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Citation Number: 23

Abstract

... 3,4]. The regioselectivity of the N/O- alkylation for a nitrogen heterocyclic ambident anion ... the nature of the base, the structure of alkyl halide, substituents on the heterocycles, reaction temperature ... nmr (deuteriochloro- form): δ 8.06 (s, 1H), 8.67 (m, 2H), 8.85 (d, 1H, J = 9.3); 13C ...