反应详情

To a solution of 5.4 g. (0.014 mol.) of 1,3-bis(2cyano-5-trifluoromethylphenyl)triazene in 500 ml. of ether is added 15 ml. of propyl isocyanate. The reaction mixture is stirred at 25° for 24 hours after which time the precipitated product is collected by filtration and washed with ether to give 3-(N-propylcarbamoyl)-1,3-bis(2-cyano-5-trifluoromethylphenyl)triazene, m.p. 138°-140° (dec.).

1. filtrationis collected by filtration
2. washwashed with ether