Selective epoxidation of olefins by vanadylporphyrin [VIVO(TPP)] and electron deficient nonplanar β-octabromovanadylporphyrin [VIVO(TPPBr8)]

被引：8

作者：

Maurya, Mannar R. ^{[1
]}

Prakash, Ved ^{[1
]}

Sankar, Muniappan ^{[1
]}

机构：

[1] Indian Inst Technol Roorkee, Dept Chem, Roorkee 247667, Uttar Pradesh, India

来源：

JOURNAL OF PORPHYRINS AND PHTHALOCYANINES | 2022年 / 26卷 / 03期

关键词：

vanadyl porphyrins; olefins; epoxidation; catalysis; TOF; nonplanar; HIGHLY EFFICIENT; CATALYZED OXIDATION; PORPHYRIN; COMPLEXES; SULFIDES; ELECTROCHEMISTRY; PEROXIDE; ALKENES;

D O I：

10.1142/S108842462250002X

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Meso-tetraphenylporphyrinatooxidovanadium(IV) [(VO)-O-IV(TPP)] (1) and 2,3,7,8,12,13, 17,18-octabromo-meso-tetraphenylporphyrinatooxidovanadium(IV) [(VO)-O-IV(TPPBr8)] (2) were synthesized and characterized by various spectroscopic techniques. 1 and 2 were utilized as efficient catalysts for the selective epoxidation of olefins. Catalyst 2 shows very high catalytic activity (TOF = 8783-13108 h(-1)) as compared to 1 (TOF = 2175-3296 h(-1)). The catalysts are recyclable, as their recyclability was checked for four cycles and show only minor reduction of their efficiency.

引用

页码：187 / 194

页数：8

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