Release of Guests from Encapsulated Masked Hydrophobic Precursors by a Phototrigger
摘要:
Examples of release of organic acids from encapsulated p-methoxyphenacyl esters provided here demonstrate the value of a phototrigger strategy to release chemicals of interest in water from hydrophobic precursors. In this study, a photochemical beta-cleavage process centered on the p-methoxyphenacyl group is exploited to release the acid of interest from a water-soluble capsule made up of octa acid.
Release of Guests from Encapsulated Masked Hydrophobic Precursors by a Phototrigger
摘要:
Examples of release of organic acids from encapsulated p-methoxyphenacyl esters provided here demonstrate the value of a phototrigger strategy to release chemicals of interest in water from hydrophobic precursors. In this study, a photochemical beta-cleavage process centered on the p-methoxyphenacyl group is exploited to release the acid of interest from a water-soluble capsule made up of octa acid.
Photorelease of Incarcerated Guests in Aqueous Solution with Phenacyl Esters as the Trigger
作者:Pradeepkumar Jagadesan、José P. Da Silva、Richard S. Givens、V. Ramamurthy
DOI:10.1021/acs.orglett.5b00252
日期:2015.3.6
We report the clean, efficientphotorelease of a series of carboxylicacids embedded in octa acid (OA) host and protected by a p-hydroxyphenacyl cage. A key role is played by the cage by providing hydrophobicity for entry into the OA enclosure and yet readily removable as a photoactivated protecting group for release from the host. The rapid photo-Favorskii rearrangement of the departing chromophore