Dimethyl [1,1'-biphenyl]-4,4'-dicarboxylate (2l):[2] 61.6 mg (yield: 76%, colorless solid).
1H NMR (400 MHz, CDCl3) δ 8.13 (d, J = 8.5 Hz, 4H), 7.69 (d, J = 8.5 Hz, 4H), 3.95 (s, 6H).
13C NMR (101 MHz, CDCl3) δ 167.1, 144.6, 130.5, 130.0, 127.5, 52.5.
Tada, N.; Ikebata, Y.; Nobuta, T.; Hirashima, S.-i.; Miura, T.; Itoh, A., Photochem. Photobiol. Sci. 2012, 11 , 616-619
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