Vi. Dyachenko et al., SYNTHESIS OF ESTERS OF PARA-HYDROXY SUBSTITUTED ALPHA-TRIFLUOROMETHYLMANDELIC ACIDS, Russian chemical bulletin, 44(3), 1995, pp. 511-513
Methyl trifluoropiruvate in trifluoroacetic acid at 20 degrees C rapid
ly C-hydroxyalkylates various phenols at the para-positions to afford
the corresponding esters of para-hydroxy substituted alpha-trifluorome
thylmandelic acids.