Conformational investigations of two diastereoisomers of the tripeptide N-Z-N-Bz-Lys-Ala-Sar-OBzl. 2. Infrared and Raman studies and normal modes analysis

P. Chavatte, P. Lagant, J. Hénichart, D. Lesieur, G. Vergoten
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Abstract

SUMMARY The spatial conformations of two diastereoisomers of the tripeptide N-Z-N-Bz-Lys-Ala-Sar-OBzl have been investigated by vibrational spectroscopies. It has been shown that the conformers contain a permanent hydrogenbonded C7-like structure and that another hydrogen-bonded ring can exist as a C10 or a C11-like structure. ©1997 by John Wiley & Sons, Ltd.
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三肽N-Z-N-Bz-Lys-Ala-Sar-OBzl两种非对映异构体的构象研究。2. 红外和拉曼研究和正常模式分析
用振动光谱研究了三肽N-Z-N-Bz-Lys-Ala-Sar-OBzl的两个非对映异构体的空间构象。结果表明,构象中含有永久的c7类氢键结构,另一个氢键环可以以C10或c11类结构存在。©1997 by John Wiley & Sons, Ltd。
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