期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 125, 期 44, 页码 13486-13489出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja0378916
关键词
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A concise, enantiospecific synthesis of pseudopteroxazole (3), which had originally been assigned structure 1, has been accomplished starting from S-(-)-limonene. The known cyclohexanone 5 was converted in five steps to the alpha,beta-enone 8 by a modified Robinson annulation. Transformation of 8 to the orthogonally protected amino phenol 11 was accomplished by a new modification of the Wolff-Semmler rearrangement. The synthesis was completed by cationic cyclization to form 14 diastereoselectively and subsequent introduction of the terminal oxazole subunit.
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