Baik, Jong Seok et al. published their research in Bulletin of the Korean Chemical Society in 2006 | CAS: 19444-23-6

Benzyl 2-hydroxy-2-methylpropanoate (cas: 19444-23-6) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Recommanded Product: Benzyl 2-hydroxy-2-methylpropanoate

(Schiff-Base)Mn(III)-catalyzed hydroxylation of α,β-unsaturated esters using molecular oxygen in the presence of metal hydrides was written by Baik, Jong Seok;Han, Sung-bin;Lee, Nam Ho. And the article was included in Bulletin of the Korean Chemical Society in 2006.Recommanded Product: Benzyl 2-hydroxy-2-methylpropanoate This article mentions the following:

Direct hydroxylation of α,β-unsaturated esters using mol. oxygen (atm. pressure) in the presence of (Schiff-base)Mn(III) complex and sodium borohydride gave the corresponding alcs. in 36% to 83% yields. In the experiment, the researchers used many compounds, for example, Benzyl 2-hydroxy-2-methylpropanoate (cas: 19444-23-6Recommanded Product: Benzyl 2-hydroxy-2-methylpropanoate).

Benzyl 2-hydroxy-2-methylpropanoate (cas: 19444-23-6) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Recommanded Product: Benzyl 2-hydroxy-2-methylpropanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics