4-(Difluoromethoxy)benzoic acid

General procedure: In a glovebox, to an oven-dried 20 mL screw cap vial was added 1- (difluoromethoxy) -3-methyl-6-nitro-4- (trifluoromethyl) -lff- benzo [d] [1, 2, 3] triazol-3-ium trifluoromethanesulfonate (la) (92.4 mg, 0.200 mmol, 1.00 equiv), (hetero) arene (2.00 mmol, 10.0 equiv), Ru (bpy) 3 (PF6) 2, (0.860 mg, 1.00 pmol, 0.500 mol%), and MeCM (1.00 mL, 0.200 M, with respect to la) . To this suspension or solution was added a magnetic stir bar. Next, the reaction vial was capped and taken out of the glovebox. The reaction mixture was stirred at ambient temperature (23 C) and irradiated with blue LEDs (30 W, Xmax = 450 nm) which was placed 20.0 m from the vial for 12 h. To determine the yield of the products, an internal standard, trifluorotoluene (PhCF3) (14.6 mg, 12.3 pL, 0.100 mmol, 0.500 equiv) was added to the vial. Then, a 100 pL of the reaction mixture was taken and then dilute with 500 pL CD3CN followed by 19F NMR (the NMR sample was recombined with the rest of the reaction mixture afterward) . The combined reaction mixture was then purified by HPLC on the Luna PFP(2) preparative column (250 x 21.2 mm) column eluting with MeCN:H20 (v/v) with a flow rate of 10.6 mL/min to provide the purified products. In cases of closely-eluting peaks, products were isolated as a mixture of isomers. Afterwards, the products were extracted with CDC13 (3 x 1 mL) , dried with magnesium sulfate, and filtered. The filtrate was concentrated in vacuo to afford the desired product (s). For very volatile compounds, the products were extracted immediately with CDCI3 (l x l mL) and then directly characterized. 1H and 13C NMR of these Compound (s) contains MeCN residue signal (1H NMR: ' 1.94, 13C NMR: u 118.26, 1.32 in CDCI3 )

Molecular Weight:188.13
XLogP3:2.9
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:3
Exact Mass:188.02850037
Monoisotopic Mass:188.02850037
Topological Polar Surface Area:46.5
Heavy Atom Count:13
Complexity:176
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes