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

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Title
Arenesulfonylheterocycles (I): synthesis and reactions of 2-Benzenesulfonyl-4,5-dichloropyridazin-3-ones with amines
Author(s)
Deok Heon Kweon; Ho Kyun Kim; Jeum Jong Kim; Hyun A Chung; Woo Song Lee; Sung Kyu Kim; Yong Jin Yoon
Bibliographic Citation
Journal of Heterocyclic Chemistry, vol. 39, no. 1, pp. 203-211
Publication Year
2002
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
Publisher
Wiley
DOI
http://dx.doi.org/10.1002/jhet.5570390129
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Functional Biomaterial Research Center > 1. Journal Articles
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