A convergent total synthesis of (±)-colchicine and (±)-desacetamidoisocolchicine

来自 ACS

阅读量:

64

作者:

DA EvansSP TanisDJ Hart

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摘要:

Total syntheses of (±)-desacetamidoisocolchicine (2b) and (±)-colchicine (1a) have been achieved. Key features of the synthetic sequence are the facile incorporation of a tropolone dication equivalent via ketone 6 and introduction of the 7-acetamido group. Some of the mechanistic details of the conversion of alcohol 7 to dihydrotropolone 8 and alcohols 14a,b to ester 19 are discussed.

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DOI:

10.1021/ja00409a032

被引量:

1803

年份:

1981

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引用走势

2010
被引量:235

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0

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