[EN] FLUORINE-CONTAINING COMPOUNDS FOR USE AS NUCLEOPHILIC REAGENTS FOR TRANSFERRING FUNCTIONAL GROUPS ONTO HIGH VALUE ORGANIC COMPOUNDS [FR] COMPOSÉS CONTENANT DU FLUOR DESTINÉS À ÊTRE UTILISÉS EN TANT QUE RÉACTIFS NUCLÉOPHILES POUR TRANSFÉRER DES GROUPES FONCTIONNELS SUR DES COMPOSÉS ORGANIQUES À VALEUR ÉLEVÉE
Perfluoroalkylation of 2-mercaptobenzothiazole and its analogues with perfluoroalkyl iodides by an SRN1 reaction
作者:Qing-Yun Chen、Mei-Jin Chen
DOI:10.1016/s0022-1139(00)80303-6
日期:1991.1
The thiolates, generated in situ by the reaction of 2-mercaptobenzothiazole (1) and its analogues (2) and (3) with sodium hydride, react under UV irradiation with perfluoroalkyl iodides (4)-(8) to give the corresponding heteroaromatic perfluoroalkyl sulfides (9)-(18) in 50-98% yields. The fact that the UV irradiation increases the conversion of perfluoroalkyl iodides and that the radical scavenger di-tert-butylnitroxide suppresses the reaction demonstrates that the reaction proceeds via an S(RN)1 mechanism.