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Synfacts 2014; 10(5): 0541
DOI: 10.1055/s-0033-1341135
DOI: 10.1055/s-0033-1341135
Polymer-Supported Synthesis
Formylation of Aryl Iodides with CO2 Using Palladium on Carbon
Further Information
Publication History
Publication Date:
17 April 2014 (online)
![](https://www.thieme-connect.de/media/synfacts/201405/i_y034_s1_10-1055_s-0033-1341135.gif)
Significance
Palladium on carbon (Pd/C) catalyzed the formylation of aryl iodides in the presence of poly(methylhydrosiloxane) (PMHS) and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) under a CO2 atmosphere in acetonitrile to give aryl aldehydes in up to 81% yield (20 examples).
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Comment
The formylation of aryl iodides to aryl aldehydes using CO2 as a C1 resource was achieved. The authors previously reported the cyclization of ortho-phenylenediamines to benzimidazoles (Green Chem. 2013, 15, 95) and 2-aminothiophenol to benzothiazolone (ACS Catal. 2013, 3, 2076) using CO2 as a C1 resource.
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![](https://www.thieme-connect.de/media/synfacts/201405/i_y034_s1_10-1055_s-0033-1341135.gif)