Table 1.

Employing Different Phenols

Entry	R1/R2/R3(2)	3	Yield (%)a
1	H/H/H(2a)	3a	59
2	H/Cl/H(2b)	3b	33
3	H/H/Cl(2c)	3c	36
4	Cl/H/Cl(2d)	3d	30.
5	H/H/Br(2e)	3e	21
6	Br/H/Br(2f)	3f	39
7	H/H/I(2g)	3g	<10

Reaction conditions: 1 (55 mmol), 2 (50. mmol), Et₃N (55 mmol) in CH₂Cl₂ (40 mL) at room temperature and under dry nitrogen atmosphere for 24 h with spectroscopic and physical characterization provided in Data S1 and S2.

See also Figure S9.

^aYields refer to average isolated yields.