Investigation of the synthetic route to pepstatin analogues by SPPS using O-protected and O-unprotected statine as building blocks

被引:7
作者
Cadicamo, Cosimo D. [1 ]
Asante, Vivian [1 ]
Abu Ammar, Morhaf [1 ]
Borelli, Claudia [2 ]
Korting, Hans C. [2 ]
Koksch, Beate [1 ]
机构
[1] FU Berlin, Dept Organ Chem, D-14195 Berlin, Germany
[2] Univ Munich, Dept Dermatol & Allergy, D-80337 Munich, Germany
关键词
pepstatin A; O-silylation; SPPS; N-Fmoc-O-TBS-statine; STEREOSPECIFIC SYNTHESIS; ASPARTIC PROTEINASES; TETRAMIC ACIDS; INHIBITORS; PEPSIN; PENICILLOPEPSIN; DERIVATIVES; PEPTIDES; PROTEASE; RENIN;
D O I
10.1002/psc.1111
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The synthetic route to pepstatin derivatives by a solid phase peptide synthesis using either O-protected or O-unprotected statine as a building block has been investigated. Statine was prepared according to a modified literature procedure, whereas protection of its 3-hydroxyl moiety using tert-butyldimethylsilylchloride (TEISCI) provided the novel O-TBS-protected statine building block. The O-tert-butyldimethylsilyl (TBS)-protected statine approach provides an improved synthetic strategy for the preparation of statine-containing peptides as demonstrated by the synthesis of the pepstatin analogue iva-Val-Leu-Sta-Ala-Sta. Copyright (C) 2009 European Peptide Society and John Wiley & Sons, Ltd.
引用
收藏
页码:272 / 277
页数:6
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