Discovery Through Total Synthesis-Epimerization at C7 in the CP Compounds: Is (7S)-CP-263,114 a Fermentation Product?

Discovery Through Total Synthesis-Epimerization at C7 in the CP Compounds: Is (7S)-CP-263,114 a Fermentation Product?
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DOI:
10.1002/(sici)1521-3773(19991102)38:21
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发表时间:
1999-11
期刊:
影响因子:
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通讯作者:
Meng;Tan;Danishefsky
Meng;Tan;Danishefsky
中科院分区:
--
文献类型:
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作者:
Meng;Tan;Danishefsky

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有时候,在一个完全的综合中会出现一个惊喜。标题化合物CP-263,114和CP-225,917(1)的制备研究表明,7 R系列的CP化合物可以转化为7S系列(例如2);(7S)-CP-263,114本身显然是发酵产物,这两种天然产物均于1997年由Pfizer首次分离。
Sometimes a surprise can occur in a total synthesis. The preparative investigation of the title compound CP-263,114 and of CP-225,917 (1)-both natural products that were first isolated in 1997 by Pfizer-has shown that CP compounds of the 7R series can be converted into the 7S series (for example, 2); (7S)-CP-263,114 is itself apparently a fermentation product.