Stereoselective Synthesis of (-)-Cytoxazone and (+)-5-Epi-cytoxazone.

阅读量:

22

摘要:

A novel, stereo selective synthesis of ()-cytoxazone 1a and stereoselective synthesis of (+)-5-epi-cytoxazone 1b were achieved via stereoselective Grignard addition of vinylmagnesium bromide on N-Boc al ehyde obtained from p-hydroxy-d-phenylglycine 2 followed by cyclization of N-Boc alcohol 6, ozonolysis and reduction to get (+)-5-epi-cytoxazone. Compound 6 underwent mitsunobu conditions, deprotection of ester followed by cyclization of N-Boc alcohol to get ()-cytoxazone. #IICT Communication Number:020616. #IICT Communication Number:020616.

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DOI:

10.1081/SCC-120022181

被引量:

107

年份:

2003

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