Application of the peptide claisen rearrangement toward the synthesis of cyclic peptides

Application of the peptide claisen rearrangement toward the synthesis of cyclic peptides
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DOI:
10.1021/ol9910262
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发表时间:
1999-12-02
期刊:
影响因子:
5.2
通讯作者:
Maier, S
Maier, S
中科院分区:
化学1区
文献类型:
--
作者:
Kazmaier, U;Maier, S

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[图表]肽的烯丙基酯在氯化锡存在下脱质子化后进行克莱森重排,产生烯丙基化肽。随后的N-烯丙基化和闭环复分解提供相应的环肽。在最后一步中的产率强烈地依赖于所形成的环的大小。
[GRAPHICS]Allylic esters of peptides undergo Claisen rearrangement after deprotonation in the presence of tin chloride, giving rise to allylated peptides. Subsequent N-allylation and ring-closing metathesis provides the corresponding cyclic peptides. The yields in the last step strongly depend on the ring size formed.