The cobalt/pyridine catalyzed hydroesterification of olefine has been investigated in detail. In this paper a catalyst system of a nitrogen\|containing heterocyclic compound having an enolic hydroxy group on the carbo...The cobalt/pyridine catalyzed hydroesterification of olefine has been investigated in detail. In this paper a catalyst system of a nitrogen\|containing heterocyclic compound having an enolic hydroxy group on the carbon atom adjacent to the ring forming nitrogen atom with a cobalt carbonyl compound was studied in carbonylation of 1\|heptene. Under the reaction conditions of T =100 ℃ and p =5.0 MPa for 6 h, it is obvious that the nitrogen\|ring compound has accelerative effect on the hydroesterification of 1\|heptene . Among the N\|ring bases studied, hydroxy group\|containing N\|ring compound has been found to be most effective, but the conversion of 1\|heptene decreased with the increase of the concentration of the N\|compounds . The effectiveness of N\|containing heterocyclic compound in increasing the conversion of heptene decreases in the order: 2\|hydroxypyridine > 3\|hydroxypyridine > quinoline> 8\|hydroxyquinoline 3,5\|lutidine > pyridine.展开更多
文摘The cobalt/pyridine catalyzed hydroesterification of olefine has been investigated in detail. In this paper a catalyst system of a nitrogen\|containing heterocyclic compound having an enolic hydroxy group on the carbon atom adjacent to the ring forming nitrogen atom with a cobalt carbonyl compound was studied in carbonylation of 1\|heptene. Under the reaction conditions of T =100 ℃ and p =5.0 MPa for 6 h, it is obvious that the nitrogen\|ring compound has accelerative effect on the hydroesterification of 1\|heptene . Among the N\|ring bases studied, hydroxy group\|containing N\|ring compound has been found to be most effective, but the conversion of 1\|heptene decreased with the increase of the concentration of the N\|compounds . The effectiveness of N\|containing heterocyclic compound in increasing the conversion of heptene decreases in the order: 2\|hydroxypyridine > 3\|hydroxypyridine > quinoline> 8\|hydroxyquinoline 3,5\|lutidine > pyridine.
