Document Detail

Preferential acid-catalyzed hydrolysis of the formamide linkage of N'-formylkynurenine in frozen solution.
MedLine Citation:
PMID:  1018016     Owner:  NLM     Status:  MEDLINE    
Acid-catalyzed hydrolysis of the formamide linkage of N-acetyl-N'-formyl-L-kynurenineamide in frozen dilute hydrochloric acid solution followed first-order kinetics, yielding N-acetyl-L-kynurenineamide as the sole reaction product. The maximum rate of reaction in the frozen solution was found at around -7.5 degrees and approximated that of the reaction in liquid solution at 40 degrees. By freezing the dilute acid solution at -8 degrees the reaction was accelerated by 60 times compared with that in super-cooled liquid solution at the same temperature.
N Yamasaki; T Tsujita; F Sakiyama; N Masuda
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of biochemistry     Volume:  80     ISSN:  0021-924X     ISO Abbreviation:  J. Biochem.     Publication Date:  1976 Dec 
Date Detail:
Created Date:  1977-04-15     Completed Date:  1977-04-15     Revised Date:  2007-12-19    
Medline Journal Info:
Nlm Unique ID:  0376600     Medline TA:  J Biochem     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  1287-92     Citation Subset:  IM    
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MeSH Terms
Hydrochloric Acid
Kynurenine / analogs & derivatives*
Reg. No./Substance:
0/Formamides; 343-65-7/Kynurenine; 7647-01-0/Hydrochloric Acid

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