反应详情

A suspension of 42.2 g (0.2 mole) of 6-nitroveratraldehyde, 19.8 g (0.2 mole) cyclohexylamine, 1.0 ml. glacial acetic acid, and 1.25 l. ethanol was stirred and refluxed for 5 min., cooled, and filtered. The solid was washed with 100 ml. cold ethanol and air dried to give 47.0 g (80%) of the product, m.p. 160°-161°.

1. temperaturerefluxed for 5 min.
2. temperaturecooled
3. filtrationfiltered
4. washThe solid was washed with 100 ml
5. dry with materialcold ethanol and air dried