Synthesis of caeliferins, elicitors of plant immune responses: accessing lipophilic natural products via cross metathesis.
Synthesis of caeliferins, elicitors of plant immune responses: accessing lipophilic natural products via cross metathesis.
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DOI:
10.1021/ol202541b
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发表时间:
2011-11-04
期刊:
影响因子:
5.2
通讯作者:
Schroeder FC
中科院分区:
文献类型:
--
作者:
O'Doherty I;Yim JJ;Schmelz EA;Schroeder FC
A cross metathesis- (CM-) based synthesis of the caeliferins, a family of sulfooxy fatty acids that elicit plant immune responses is reported. Unexpectedly, detailed NMR-spectroscopic and mass spectrometric analyses of CM reaction mixtures revealed extensive isomerization and homologation of starting materials and products. It is shown that the degree of isomerization and homologation in CM strongly correlates with substrate chain length and lipophilicity. Side-product suppression requires appropriate catalyst selection and use of 1,4-benzoquinone as hydride scavenger.
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