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An enantiospecific approach to an oxepane related to zoapatanol via a 1,3-dipolar cycloaddition

✍ Scribed by Tony K.M. Shing; Ching-Hung Wong


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
251 KB
Volume
5
Category
Article
ISSN
0957-4166

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Intramolecular 1,3-dipolar additions in
✍ P.M. Collins; M.S. Ashwood; H. Eder; S.H.B. Wright; D.J. Kennedy πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 French βš– 201 KB

## Treametu qf rhe easily prepared 6-aldehydo-BlucopyrMosidc allyl ether (5) with N-benzylh~o@mine gave drone (a), which underwet~ a 13-dipolar oddiiion IO the 4-O-&l group giving &er deprorection and hydrogenolysis the chiral pyrano-pyran (11) and tk pyrano-oxepan (13). Pyranwpyrans and pyrano-ox