3,6-Dibromo-9-methyl-1-nitro-9h-carbazole → HCID 22280812, compound

Participants

Reaction Steps

3,6-Dibromo-9-methyl-1-nitrocarbazole (10 g) was dissolved in 300 ml of methanol. To the solution was added 50 g of Rexyn™ (OH-) form) and, under an atmosphere of carbon dioxide, 2 g of 5% Pd/C. The vessel was charged with 44.5 psi of H2. During the course of the reaction the hydrogen pressure dropped to 32.8 psi (100% H2 uptake). The crude reaction mixture was filtered and the clear solution was evaporated with a rotary evaporator using a vacuum pump and a water bath at 20° C. to give a white solid, m.p. 90°-92° C. Yield 2.77 g (54.3%). The product decomposed readily in air to a red solid.

Provenance & Evidence