科研之友
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摘要
Freidinger lactams, possessing a peptide bond configuration locked to 4 are important key elements of conformationally restricted peptidomimetics. In the present work, the C alpha Hi+1 unit has been replaced by N, leading to novel aza-Freidinger lactams. A synthesis to corresponding building blocks and their E-locked analogs is introduced. The versatile buildings blocks reported here are expected to serve as useful elements in peptide synthesis.
- 出版日期2013-2-1
