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KINETICS AND MECHANISM OF HOMOGENEOUS CATALYTIC HYDROXYLATION OF MALEIC-ACID BY HYDROGEN-PEROXIDE .4. HYDROLYSIS OF CIS-EPOXYSUCCINIC ACID IN THE PRESENCE OF FERRIC IONSстатья
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Дата последнего поиска статьи во внешних источниках: 23 ноября 2017 г.
- Авторы: BUKOWSKI W., LITVINTSEV IY, SAPUNOV VN
- Журнал: Journal of Chemical Technology and Biotechnology
- Том: 61
- Номер: 4
- Год издания: 1994
- Издательство: John Wiley & Sons Inc.
- Местоположение издательства: United States
- Первая страница: 381
- Последняя страница: 386
- DOI: 10.1002/jctb.280610415
- Аннотация: The kinetics of catalytic and non-catalytic hydrolysis of cis-epoxysuccinic acid have been studied. The hydrolysis leading to tartaric acid has been found to proceed much faster in the presence of iron (III) catalyst than the reaction without a catalyst or with tungstate catalyst. A complex of the form {cat.H(2)E} between iron(III) salts (catalyst) and epoxysuccinic acid seems to be responsible for the main catalytic effect. On the other hand, the reaction has been found to be retarded by the product of hydrolysis, tartaric acid (H2T). The inhibiting effect was caused by the formation of a catalyst deactivating complex in the forms {cat.H2T} and {cat.2H(2)T}. A mathematical model for the overall process has been developed and the mechanism of reaction discussed.
- Добавил в систему: Сапунов Валентин Николаевич