# Parallel Palladium-Catalyzed Synthesis of Carboxylic Acids from Aryl Iodides, Bromides, and Vinyl Triflates Using Acetic Anhydride and Formate Anion as an External Condensed Source of Carbon Monoxide

## TL;DR

This paper presents a new palladium-catalyzed method to efficiently produce carboxylic acids from various aryl compounds using acetic anhydride and formate.

## Contribution

A novel hydroxycarbonylation method using acetic anhydride and formate as a CO source for carboxylic acid synthesis.

## Key findings

- Aryl iodides, bromides, and vinyl-triflates are converted into carboxylic acids in high yields.
- The method uses lithium formate and acetic anhydride as a CO source.
- The reaction is palladium-catalyzed and works efficiently under parallel conditions.

## Abstract

Aryl iodides, bromides and vinyl-triflates are usually converted in high to excellent yields into the corresponding carboxylic acids through a parallel palladium-catalyzed hydroxycarbonylation using lithium formate and acetic anhydride as external condensed source of carbon monoxide.