Copper porphyrin catalyzed esterification of C(sp 3 )–H via a cross-dehydrogenative coupling reaction

The crystal structure of 5,10,15,20-tetra(ethoxycarbonyl)porphyrin copper( ii ) showed that its central copper has a six-coordinate structure. An efficient copper porphyrin-catalyzed cross-dehydrogenative coupling (CDC) esterification reaction between C(sp 3 )–H and carboxylic acids using di- tert -...

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Bibliographic Details
Published in:New journal of chemistry 2017, Vol.41 (9), p.3508-3514
Main Authors: Wang, Hua-Hua, Wen, Wei-Hong, Zou, Huai-Bo, Cheng, Fan, Ali, Atif, Shi, Lei, Liu, Hai-Yang, Chang, Chi-Kwong
Format: Article
Language:English
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Summary:The crystal structure of 5,10,15,20-tetra(ethoxycarbonyl)porphyrin copper( ii ) showed that its central copper has a six-coordinate structure. An efficient copper porphyrin-catalyzed cross-dehydrogenative coupling (CDC) esterification reaction between C(sp 3 )–H and carboxylic acids using di- tert -butyl peroxide (DTBP) as an oxidant was established. The kinetic isotope effect (KIE) indicated that C(sp 3 )–H bond cleavage was the rate-determining step of this CDC reaction.
ISSN:1144-0546
1369-9261
DOI:10.1039/C6NJ03876J