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ChemInform Abstract: Ring-Enlargement and Ring-Opening Reactions of 1,2-Thiazetidin-3-one 1,1-Dioxides with Ammonia and Primary Amines as Nucleophiles.

✍ Scribed by Tonya R. Todorova; Anthony Linden; Heinz Heimgartner


Publisher
John Wiley and Sons
Year
2010
Weight
35 KB
Volume
30
Category
Article
ISSN
0931-7597

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✦ Synopsis


Abstract

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a β€œFull Text” option. The original article is trackable via the β€œReferences” option.


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Ring-Enlargement and Ring-Opening Reacti
✍ Tonyaβ€…R. Todorova; Anthony Linden; Heinz Heimgartner πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 German βš– 264 KB πŸ‘ 1 views

The N-benzyl-and N-alkyl-substituted 1,2-thiazetidin-3-one 1,1-dioxides 1b Β± d reacted readily with NH 3 and primary amines via ring opening. The reaction with NH 3 proceeded at Γ€ 788 3 room temperature yielding ring-opened adducts via nucleophilic attack of NH 3 at the sulfonyl group, whereas the r

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Thermal Isomerization to 1,4-Thiazine-S-oxides and Nucleophilic Ring-Opening with Alcohols and Amines. -Thiazetidines (III), readily produced by cycloaddition of quadricyclane with aryl sulfonylamines undergo smooth thermal rearrangement to thiazines like (IV) with S-oxide configuration that differ