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2
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013, 135, 1232.
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mixture was stirred at r.t. for 24 h. The solvent was then evapo-
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tive TLC (PE–EtOAc, 10:1) to give benzoic acid (2a) as a white
solid; yield: 200.2 mg (82%); mp 122.0–122.4 °C (Lit.1
122.13 °C). IR (KBr): 1915, 1680, 1485, 1455, 1398, 1324, 1291,
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–1 1
1181, 933, 805 cm
. H NMR (400 MHz, CDCl , TMS): = 8.13
3
(d, J = 8.9 Hz, 2 H), 7.62 (t, J = 7.4 Hz, 1 H), 7.49 (t, J = 7.8 Hz, 2 H).
13
(f) Yu, L.; Wang, J.; Chen, T.; Wang, Y.; Xu, Q. Appl. Organomet.
C NMR (100 MHz, CDCl ): = 171.6, 133.7, 130.2, 129.2, 128.5.
3
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©
Georg Thieme Verlag Stuttgart · New York — Synlett 2019, 30, A–E