Pyrrolidine → 1-[2-(5-Methyl-4-oxo-3-phenyl-3,5-dihydro-4H-pyridazino[4,5-b]indol-1-yl)-1-oxoethyl]pyrrolidine

Participants

Reaction Steps

The preparation is carried out as in Example 3.2, from 1 g (3 mmol) of 5-methyl-4-oxo-3-phenyl-3,5-dihydro-4H-pyridazino[4,5-b]indole-1-acetic acid and from excess pyrrolidine. The product is recrystallized from propan-2-ol. 0.5 g (1.3 mmol) of solid is obtained.

Provenance & Evidence