HCID 23447188, compound → HCID 21585073, compound

Participants

Reaction Steps

A total of 50 grams of dinitrobenzophenone, assay 96.5 weight percent of which 94 percent was m,m'-dinitrobenzophenone and six weight percent was the m,p'-isomer, dissolved in 400 milliliters of tetrahydrofuran was subjected to hydrogenation in a one-liter autoclave in contact with eight grams of nickel catalyst at a temperature of 150° C. and a hydrogenation pressure of 500 psig (3.5 MPa) until the reaction stopped. On workup, as before, 40.2 grams of diaminobenzophenone were obtained containing nine weight percent of tetrahydrofuran of crystallization.

Provenance & Evidence