Amines photoremovable protecting

Kammari, L., Plistil, L Wirz, J. and Klan, P. (2007) 2,5-Dimethylphenacyl carbamate a photoremovable protecting group for amines and amino acids. Photochemical cl Photobiological Sciences, 6, 50-56. 

Despite this shortcoming, the arylsulfonamide group may stiU hold promise as a photoremovable protecting group for amines lacking a carboxylate moiety. Further studies would need to be carried out to fully establish its capabilities in this regard. 

Tosyl groups can be photoremoved in the presence of carboxylic esters and benzylethers by use of tertiary amines as electron donors. Tosyl protection can thus become valuable in the preparation of selectively substituted products, as exemphfied in Scheme 13. Photolysis of tosylates in the gas phase is initiated by... 

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