Figure 26.
(A) Site-selective O–H insertion of 126 with α-trifluoroethyl-substituted diazo esters. Various dirhodium catalysts gave different ratios of mono and difunctionalized products. (B) Expansion of scope for site-selective O–H insertion.175
(A) Site-selective O–H insertion of 126 with α-trifluoroethyl-substituted diazo esters. Various dirhodium catalysts gave different ratios of mono and difunctionalized products. (B) Expansion of scope for site-selective O–H insertion.175