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Novel Clay-Catalyzed Expeditious Cyclization to Bis-benzothiazepine.

✍ Scribed by Pravin K. Singh; Vishal Srivastava; J. Singh; I. R. Siddiqui


Publisher
John Wiley and Sons
Year
2006
Weight
18 KB
Volume
37
Category
Article
ISSN
0931-7597

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πŸ“œ SIMILAR VOLUMES


A novel base catalyzed bis cyclization
✍ S. Danishefsky; B.H. Migdalof πŸ“‚ Article πŸ“… 1969 πŸ› Elsevier Science 🌐 French βš– 108 KB

Recently we prepared the enetrione, I, and demonstrated that intermolecular additions of nucleophiles to the double bond triggers a series of intramolecular condensations leading to products of relevance to steroids. 1 We now report an interesting isomerization of I, occasioned by its treatment wit