Cyclopropanations of olefin-containing natural products for simultaneous arming and structure activity studies.
Cyclopropanations of olefin-containing natural products for simultaneous arming and structure activity studies.
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DOI:
10.1021/ol300105q
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发表时间:
2012-03-16
期刊:
影响因子:
5.2
通讯作者:
Romo D
中科院分区:
文献类型:
--
作者:
Robles O;Serna-Saldívar SO;Gutiérrez-Uribe JA;Romo D
Cyclopropanations of alkene-containing natural products that proceed under mild conditions are reported for simultaneous arming and structure-activity relationship studies. An alkynyl diazo ester under Rh(II) catalysis is employed for cyclopropanations of electron-rich olefins while an alkynyl sulfonium ylide is used for electron-poor olefins. This approach enables simultaneous natural product derivatization for SAR studies and arming (i.e. via alkyne attachment) for subsequent conjugation with reporter tags (e.g. biotin, fluorophores, photoaffinity labels) for mechanism of action studies including cellular target identification and proteome profiling experiments.
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