W. Mendelson, Stuart Hayden
Feb 1, 1996
Citations
0
Influential Citations
30
Citations
Journal
Synthetic Communications
Abstract
Abstract An efficient synthesis of 2,4-dihydroxybenzaldehyde (1) from resorcinol via the Vilsmeier-Haack reaction has been developed. Either phosphorous oxychloride/DMF or oxalyl chloride/DMF produces 1 in yields of 65–75%. The intermediate formamidinium salts have been characterized.