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Title 

Arenesulfonylheterocycles (I): synthesis and reactions of 2-Benzenesulfonyl-4,5-dichloropyridazin-3-ones with amines

Authors 

Deok Heon KweonHo Kyun KimJeum Jong KimHyun A ChungWoo Song LeeSung Kyu KimYong Jin Yoon

Publisher 

Wiley-Blackwell

Issue Date 

2002

Citation 

Journal of Heterocyclic Chemistry, vol. 39, no. 1, pp. 203-211

Keywords 

2 benzenesulfonyl 4,5 dichloropyridazin 3 oneaminepyridazin 3 one derivativechemical reactionsynthesis

Abstract 

The direct sulfonylation of 4,5-dichloropyridazin-3-ones with some benzenesulfonyl chlorides in the presence of base in tetrahydrofuran gave only the corresponding N-sulfonylated product. The reaction of 2-benzenesulfonyl-4,5-dichloropyridazin-3-ones with some aliphatic amines under neutral conditions afforded 5-alkylamino-2-benzenesulfonyl-4-chloropyridazin-3-ones and/or the corresponding N-alkyl-benzenesulfonamides.

ISSN 

0022-152X

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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