反应详情

A mixture of 31.3 g. trans-2-p-bromophenyl-5-pentyl-1,4-dioxane, 10 g. Cu2 (CN)2, 120 ml. pyridine and 60 ml. N-methylpyrrolidone is heated for 2 hours to 150°. One cools, adds thereto a solution of 120 g. FeCl3.6H2O in 600 ml. 20% hydrochloric acid, heats to 70° for 1.5 hours, while stirring. Works up as usu 1 and obtains trans-2-p-cyanophenyl-5-pentyl-1,4-dioxane.

1. additionA mixture of 31.3 g
2. additionadds