Ultra-small Au nanocluster supported on modified mesoporous hydroxyapatite for base-free oxidative esterification of alcohols

Key Points

• The method achieves base-free oxidative esterification using ultra-small gold nanoclusters.
• A conversion rate of 89% was observed for various alcohols during the process.
• This analysis employs a novel catalyst based on mesoporous hydroxyapatite, enhancing reaction efficiency.
• Such findings support the potential for greener catalysis methods without traditional bases.