in decalin 3 h; Heating;

1.) decalin, reflux, 3 h, 2.) methanol, reflux, 2 h; Yield given. Multistep reaction. Yields of byproduct given;

1: hydrogen / 10percent Pd-charcoal 2: 76 percent / hydroxylamine-O-sulphonic acid, 1M sodium hydroxide / H2O / 30 h / Ambient temperature 3: 27 percent / methanol; diethyl ether 4: 75 percent / sodium nitrite, 6M hydrochloric acid / H2O View Scheme