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Table 4 Suzuki coupling of aryl halides 8ac with phenylboronic acid using the catalyst 4 under thermal conditions

From: Novel pyridine-based Pd(II)-complex for efficient Suzuki coupling of aryl halides under microwaves irradiation in water

Entry

X

R

Yield %a,b

1

CI

H

100 (90)

2

CI

4-OH

90 (82)

3

CI

3-NH2

85 (74)

4

Br

H

100 (78)

5

|

H

100 (82)

  1. aConditions: haloaromatic/ boronic acid/ KOH/ TBAB /water (5 mL): 1/1.2/2/0.6, at 100 °C for 1 h
  2. bConversions were based on 1H NMR of the crude product and the values between parentheses refer to the isolated yields