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Table 3 Yields and conditions for 2b-d

From: Second-generation pterocarpanquinones: synthesis and antileishmanial activity

Entry

Cond. a

3

2 (%)

1

B b

3b R1 = R2 = H

2b (30%)

2

C

3b R1 = R2 = H

2d (26%)

3

B

3c R1 = Cl; R2 = H

2c (25%)

4

C

3c R1 = Cl; R2 = H

2c (72%)

5

C

3d R1 = R2 = -OCH2O-

2d (40%)

  1. a Conditions: B - Pd(OAc)2 (10 mol%), Ag2CO3 (1.5 equiv.), pinacolone, reflux, 18 h; C - Pd(OAc)2 (10 mol%), Ag2CO3 (1.1 equiv.), PEG-400, 140 °C, 10 min
  2. b MW: 40 W, 60 °C,110 °C, 40 min
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Journal of Venomous Animals and Toxins including Tropical Diseases

ISSN: 1678-9199

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