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Highly diastereoselective addition to a novel chiral oxazinone. Further approaches to chiral quaternary carbon compounds.

✍ Scribed by A.I. Meyers; William R. Leonard Jr.; Jeffrey L. Romine

Book ID: 104214846
Publisher: Elsevier Science
Year: 1991
Tongue: French
Weight: 212 KB
Volume: 32
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)74836-2

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✦ Synopsis

The choral bicyclic oxazinone 2d, readily obtained, show hrgh dlastereoselective 1,4-addition of cuprates and catalyzed hydrogenation. Our studies on developing asymmetnc C-C bond forming reactions with novel choral auxiliaries have now been extended to a new system 2. We have examined the cyclocondensation of various 2-H chiral oxazolmes l(a-d)ls2 with diketene and found that the bicyclic oxazinones I+.., O?(" + o

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