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Conformational Features of Penicillin G in Solution as Revealed by13C-{1H} Selective Nuclear Overhauser Effects

 

作者: Nadia Marchettini,   Gianni Valensin,   Elena Gaggelli,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1992）
卷期: Volume 25, issue 4  

页码: 535-545

 

ISSN:0038-7010

 

年代: 1992

 

DOI:10.1080/00387019208021528

 

出版商: Taylor & Francis Group

 

关键词: 13C-{1H} nuclear Overhauser effect;penicillin G

 

数据来源: Taylor

 

摘要:

13C-{1H} nuclear Overhauser effects (n.O.e.) were measured for penicillin G in I2H6I-DMSO upon selective presaturation of proton resonances and interpreted on the basis of effective correlation times as calculated by analysis of13C and1H spin-lattice relaxation rates. Preferential occurrence of a compact C2puckered conformation with folding of the benzoylamino side chain towards the methyl at C2was given evidence. A Dreiding model of such conformation was built.

 

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