OXYBENZOTRIAZOLE FREE PEPTIDE COUPLING REAGENTS FOR N-METHYLATED AMINO-ACIDS

被引:170
|
作者
COSTE, J [1 ]
FREROT, E [1 ]
JOUIN, P [1 ]
CASTRO, B [1 ]
机构
[1] SANOFI CHIM,F-75008 PARIS,FRANCE
关键词
PEPTIDE; COUPLING REAGENT; N-METHYL AMINO ACID; HYDROXYBENZOTRIAZOLE;
D O I
10.1016/0040-4039(91)85015-W
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The main product of N-methylated amino acid coupling, when oxybenzotriazole is present in the reagent (BOP, PyBOP, HBPyU) or as an additive (DCC/HOBt), is the weakly reactive benzotriazolyl ester. On the other hand, the corresponding new halogenated reagents PyBroP, PyCloP and PyClU give very good results and can be recommended.
引用
收藏
页码:1967 / 1970
页数:4
相关论文
共 50 条
  • [31] AMINO-ACIDS AND PEPTIDES .31. N-(PIPERIDINO-OXYCARBONYL)-AMINO-ACIDS AND THEIR USE IN PEPTIDE SYNTHESIS
    STEVENSON, D
    YOUNG, GT
    JOURNAL OF THE CHEMICAL SOCIETY C-ORGANIC, 1969, (18): : 2389 - +
  • [32] THE ABSORPTION OF FREE AND PEPTIDE AMINO-ACIDS IN THE SMALL-INTESTINE OF CHICKS
    KUSHAK, R
    BASOVA, N
    COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-PHYSIOLOGY, 1988, 89 (03): : 317 - 322
  • [33] Inhibition of aggregation and toxicity of α-synuclein in the presence of copper by an N-methylated peptide
    Zhou, Binbin
    Wang, Lu
    Zhang, Jihong
    Liu, Yuliang
    Zhong, Ming
    JOURNAL OF MOLECULAR STRUCTURE, 2020, 1211
  • [34] NOVEL N-PENTENYL-BASED REAGENTS FOR PROTECTION OF CARBOHYDRATES AND AMINO-ACIDS
    ROBERTS, C
    MADSEN, R
    FRASERREID, B
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1994, 207 : 101 - CARB
  • [35] FREE AMINO-ACIDS IN WHEAT
    TKACHUK, R
    CEREAL SCIENCE TODAY, 1973, 18 (09): : 295 - 295
  • [36] FREE AMINO-ACIDS OF STARFISH
    KISHIMURA, H
    HAYASHI, K
    NIPPON SUISAN GAKKAISHI, 1990, 56 (10) : 1693 - 1693
  • [37] EXTRACTION OF FREE AMINO-ACIDS
    TALLEY, EA
    EGOVILLE, MJ
    AMERICAN POTATO JOURNAL, 1988, 65 (01): : 17 - 20
  • [38] FREE AMINO-ACIDS OF SUINT
    COPLEY, MN
    TRUTER, EV
    TEXTILE INSTITUTE AND INDUSTRY, 1972, 10 (04): : 126 - &
  • [39] FREE AMINO-ACIDS IN CARDIOMYOPATHIES
    WIEGAND, V
    KRUSE, T
    NEUHOFF, V
    KREUZER, H
    ZEITSCHRIFT FUR KARDIOLOGIE, 1980, 69 (03): : 188 - 188
  • [40] FREE AMINO-ACIDS OF SUINT
    COPLEY, MN
    TRUTER, EV
    JOURNAL OF THE TEXTILE INSTITUTE, 1972, 63 (04) : 183 - &