2,4-Bis(fluorocarbon)-substituted phenols for high yield Newman–Kwart rearrangement reactions
作者:Alexander Mondragón、Iván Monsalvo、Ignacio Regla、Ivan Castillo
DOI:10.1016/j.tetlet.2009.12.004
日期:2010.1
The Newman–Kwart thermal rearrangement of two 2,4-disubstituted O-arylthiocarbamates, prepared from the corresponding phenols, is reported. Clean conversion to the S-arylthiocarbamates in high yields was observed. The rearrangement appears to be facilitated by the presence of electron-withdrawing substituents in the 2- and 4-positions of the aromatic ring.
据报道,由相应的苯酚制备的2,4-二取代的O-芳基硫代氨基甲酸酯的Newman-Kwart热重排。观察到以高收率干净地转化为S-芳硫代氨基甲酸酯。在芳环的2-位和4-位上存在吸电子取代基似乎促进了重排。