Document Detail

Infrared and Raman spectra of S-methyl thioacetate: toward an understanding of the biochemical reactivity of esters of coenzyme A.
MedLine Citation:
PMID:  7082657     Owner:  NLM     Status:  MEDLINE    
The infrared and Raman spectra of S-methyl thioacetate and CD3C(O)SCH3 have been determined. These spectra and those in the literature ofr S-ethyl thioacetate have been assigned. These data together with literature assignments for thioformic acid, thioacetic acid, and S-methyl thioformate were used in normal coordinate calculations. The stretching force constant for the carbonyl group of thioesters and thio acids is found to be very similar to that for the carboxyl group of ketones. In addition, the value of the stretching force constant for the C(O)-S bond in thioesters and thio acids indicates that this entity has no double-bond character. The carbonly group of acetyl coenzyme A is essentially the same as that of a ketone.
A M El-Aasar; C P Nash; L L Ingraham
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biochemistry     Volume:  21     ISSN:  0006-2960     ISO Abbreviation:  Biochemistry     Publication Date:  1982 Apr 
Date Detail:
Created Date:  1982-08-07     Completed Date:  1982-08-07     Revised Date:  2000-12-18    
Medline Journal Info:
Nlm Unique ID:  0370623     Medline TA:  Biochemistry     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1972-6     Citation Subset:  IM    
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MeSH Terms
Spectrophotometry, Infrared
Spectrum Analysis, Raman
Reg. No./Substance:
0/Acetates; 1534-08-3/methyl thioacetate

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