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Table 1 Synthesis of bisindolylmethane 3a in DESs

From: Green electrosynthesis of bis(indolyl)methane derivatives in deep eutectic solvents

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Entry

DES

Yield

1

Ethylene glycol/choline chloride (2:1)

50%

2

Propylene glycol/choline chloride (2:1)

Trace

3

Urea/choline chloride (2:1)

NR

  1. All the reactions were conducted at 80 °C for 3h
  2. NR no reaction