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Correction to Synthesis of 2- N / S / C -substituted Benzothiazoles via Intramolecular Cyclative Cleavage of Benzotriazole Ring

โœ Scribed by Kumar, Dhananjay; Mishra, Bhuwan B; Tiwari, Vinod K


Book ID
124054595
Publisher
American Chemical Society
Year
2014
Tongue
English
Weight
186 KB
Volume
79
Category
Article
ISSN
0022-3263

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Intramolecular ring cleavage of chiral t
โœ Tariq R Abbas; J.I.G Cadogan; Allan A Doyle; Ian Gosney; Philip K.G Hodgson; Gar ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 208 KB

In the presence of excess Bu2BOTf to promote anti-selectivity, an asymmetric aldol reaction with a homochiral terpenoid-derived 1,3-oxazin-2-one as the chiral control element results unexpectedly in ring cleavage by an intramolecular process to form a N-substituted tetrahydro-l,3oxazine-2,4-dione in