143815-11-6Relevant articles and documents
Synthesis of vicinal 2,3-dialkyl-6-hydroxybenzophenones by titanium tetrachloride catalyzed Fries rearrangement of 3,4-dialkylphenyl benzoates
Martin,Demerseman
, p. 738 - 740 (2007/10/02)
The titanium(IV) chloride-mediated Fries rearrangement of 3,4-dialkylphenyl benzoates 1 yields mainly 4,5-dialkyl-2-hydroxybenzophenones 2 in high yield. We describe here a new access to the unknown vicinal 2,3-dialkyl-6-hydroxybenzophenones 3, which is b