Aldehyde condensation products of 4-hydroxycoumarin and Schiff bases

✍ Scribed by Ilia I Manolov

• Publisher: Elsevier Science
• Year: 1998
• Tongue: French
• Weight: 98 KB
• Volume: 39
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(98)00351-7

✦ Synopsis

4-Hydroxycoumarin and Schiff bases condense in glacial acetic acid at reflux. Benzylidenephenyliminechroman or 3,3'-(p-substituted-arylmethylidene)-bis-4-hydroxycoumarin are the final products.