Catalytic Friedel-Crafts Reactions of Highly Electronically Deactivated Benzylic Alcohols
作者:Vuk D. Vuković、Edward Richmond、Eléna Wolf、Joseph Moran
DOI:10.1002/anie.201612573
日期:2017.3.6
Highly electronically deactivated benzylic alcohols, including those with a CF3 group adjacent to the OH‐bearing carbon, undergo dehydrative Friedel–Crafts reactions upon exposure to catalytic Brønsted acid in 1,1,1,3,3,3‐hexafluoro‐2‐propanol (HFIP) solvent. Titration and kinetic experiments support the involvement of higher order solvent/acid clusters in catalysis.
高度电子失活的苯甲醇,包括带有3个与OH相邻的CF 3基团的苯甲醇,在暴露于1,1,1,3,3,3-6-六氟-2-苯甲酸的催化布朗斯台德酸中后会发生脱水Friedel-Crafts反应。丙醇(HFIP)溶剂。滴定和动力学实验支持高阶溶剂/酸簇参与催化。