Issue 115, 2015

Silica supported palladium-phosphine as a reusable catalyst for alkoxycarbonylation and aminocarbonylation of aryl and heteroaryl iodides

Abstract

Silica-supported palladium phosphine complexes were prepared for alkoxycarbonylation and aminocarbonylation of aryl iodides. These catalysts were highly efficient for the carbonylation of unprotected hydroxy-aryl, amino-aryl, iodoindole and iodopyrazole. The carbonylation of unprotected iodopyrazole is challenging and their carbonylation was achieved for the first and obtained corresponding carbonylative products are biologically active. The applicability of developed protocols tolerates wide range of functional groups with excellent yields. The catalyst was easily recovered and shows significant recyclability up to five consecutive cycles without loss in its catalytic activity and selectivity. The prepared catalysts were characterized by different techniques such as FEG-SEM, EDS, FT-IR, XPS and ICP-AES spectroscopy.

Graphical abstract: Silica supported palladium-phosphine as a reusable catalyst for alkoxycarbonylation and aminocarbonylation of aryl and heteroaryl iodides

Supplementary files

Article information

Article type
Paper
Submitted
12 Sep 2015
Accepted
23 Oct 2015
First published
27 Oct 2015

RSC Adv., 2015,5, 94776-94785

Author version available

Silica supported palladium-phosphine as a reusable catalyst for alkoxycarbonylation and aminocarbonylation of aryl and heteroaryl iodides

R. S. Mane, T. Sasaki and B. M. Bhanage, RSC Adv., 2015, 5, 94776 DOI: 10.1039/C5RA18692G

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