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. Author manuscript; available in PMC: 2017 Jan 5.
Published in final edited form as: Catal Sci Technol. 2016 Mar 24;6(14):5304–5310. doi: 10.1039/C6CY00457A

Table 1.

Reaction optimizationa

graphic file with name nihms838681u1.jpg
Entry Additive OR′ R Yield [%]
1 OAc Ac 11
2 OAc COCF3 21
3 OAc Ts 13
4 OTs Ts 10
5 O2CCF3 COCF3 22
6 1 equiv. AcOH OAc Ac 29
7 5 mol% AgOAc OAc Ac 27
8 1 equiv. AcOH O2CCF3 COCF3 17
9 5 mol% AgOAc O2CCF3 COCF3 22
10 1 equiv. AcOHb OAc Ac 0
a

Conditions: benzene (0.50 mL, 5.6 mmol, 40 equiv.), Pd(OAc)2 (3.1 mg, 14 μmol, 10 mol%), 1 (2.5 mg, 14 μmol, 10 mol%), RNH–OR′ (140 μmol, 1.0 equiv.), 100 °C, 24 h.

b

No Pd catalyst.