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Reactions of 5-nitrospiro[benzimidazole-2,1′-cyclohexane] 1,3-dioxide with nucleophiles

✍ Scribed by V. A. Samsonov; Yu. V. Gatilov; V. A. Savel’ev; S. S. Baranova

Book ID
114993881
Publisher
SP MAIK Nauka/Interperiodica
Year
2012
Tongue
English
Weight
325 KB
Volume
48
Category
Article
ISSN
1070-4280

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## Abstract __N__‐Silylated 3‐acetoxy‐1,2‐thiazetidine 1,1‐dioxide (5) is prepared from L‐cystine. Reactions of 5 with silyl enol ethers yield C‐3‐substituted β‐sultams 6, 12 and 15. Desilylation of 6 affords 7, which undergoes photochemical cyclization to give the bicyclic β‐sultam 10. In the cour