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Citation: Huang Chaoran, Yang Huixing*, Han Degang. STUDIES ON THE REACTION BETWEEN TETRALIN AND COUMARIN Ⅰ.THE REACTION OF COUMARIN AND DIHYDROCOUMARIN IN HYDROGEN DONATOR SOLVENT[J]. Acta Physico-Chimica Sinica, ;1988, 4(02): 194-199. doi: 10.3866/PKU.WHXB19880215 shu

STUDIES ON THE REACTION BETWEEN TETRALIN AND COUMARIN Ⅰ.THE REACTION OF COUMARIN AND DIHYDROCOUMARIN IN HYDROGEN DONATOR SOLVENT

1.
Department of Chemistry; Peking University

Received Date: 17 October 1986
Available Online: 15 April 1988

It has been proved in our experiments that (1) Dihydrocoumarin can be formed from the reaction between coumarin and tetralin; (2) Dihydrocoumarin is rather stable, but it is able to react producting other products on certain conditions. The results of analyses of the intermediates and products of reactions using chromatograph-mass spectrum, nuclear magnetic resonance and infra-red spectrograph are given. A proof that most of the steps for the reaction of Dihydrocoumarin are consecutive has been given from kinetic experiments and analytical results of the products. A mechanism for the reaction has been suggested which can reasonably explain all the experimental results.
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