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Volumn 13, Issue 29, 2007, Pages 8325-8332

Iterative tandem catalysis of secondary diols and diesters to chiral polyesters

Author keywords

Enzyme catalysis; Kinetic resolution; Polymerization; Racemization; Ruthenium

Indexed keywords

ALCOHOLS; CATALYSIS; ENZYMES; FUNCTIONAL GROUPS; MOLECULAR WEIGHT; POLYESTERS; POLYMERIZATION; POLYMERS; RUTHENIUM;

EID: 35348942312     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200700818     Document Type: Article
Times cited : (35)

References (34)
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    • (2005) Chem. Int. Ed , vol.44 , pp. 4582-4585
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  • 27
    • 35348949637 scopus 로고    scopus 로고
    • The rate of racemization (which equals the rate of production of R-secondary alcohols if racemization is rate-limiting) is assumed to be first order in the concentration of the S alcohol. If indeed racemization is rate-limiting and all alcohols groups are in the S configuration, (and assuming that the changing polarity of the system plays no significant role) the total rate of reaction (which equals the production of 7?-secondary alcohols) will be first order in concentration of the S alcohol. Therefore, once the 50% conversion threshold has been crossed, a linear relationship should hold between -ln(1 - conversion) and time and a pseudo first order rate constant can be calculated.
    • The rate of racemization (which equals the rate of production of R-secondary alcohols if racemization is rate-limiting) is assumed to be first order in the concentration of the S alcohol. If indeed racemization is rate-limiting and all alcohols groups are in the S configuration, (and assuming that the changing polarity of the system plays no significant role) the total rate of reaction (which equals the production of 7?-secondary alcohols) will be first order in concentration of the S alcohol. Therefore, once the 50% conversion threshold has been crossed, a linear relationship should hold between -ln(1 - conversion) and time and a pseudo first order rate constant can be calculated.
  • 30
    • 35348995034 scopus 로고    scopus 로고
    • The two experiments with 2 mol% Ru are at different DMP concentration and, therefore, display different reaction rates
    • The two experiments with 2 mol% Ru are at different DMP concentration and, therefore, display different reaction rates
  • 31
    • 35348969401 scopus 로고    scopus 로고
    • The kinetics of racemization are assumed to be first order in alcohol concentration
    • The kinetics of racemization are assumed to be first order in alcohol concentration.
  • 33
    • 35348991195 scopus 로고    scopus 로고
    • The two experiments with 0.5 M DMP are at different catalyst loadings and, therefore, display different reaction rates.
    • The two experiments with 0.5 M DMP are at different catalyst loadings and, therefore, display different reaction rates.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.