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Table 1 Catalyst screening to optimize the product yield

From: Synthesis of hexahydrofuro[3,2-c]quinoline, a martinelline type analogue and investigation of its biological activity

Entry

Catalyst

Yield (%)

1

MnCl2·4H2O

N.D.

2

FeSO4·7H2O

N.D.

3

CoCl2·6H2O

N.D.

4

CuSO4·5H2O

N.D.

5

Fe(NO3)3·9H2O

16.5

6

BiCl3

9.9

7

Bi(NO3)3·5H2O

19.6

  1. All the reactions were carried out at room temperature in acetonitrile (ACN) for 1.5 h
  2. N.D. not detected
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