Synthetic Communications p. 603 - 610 (1996)
Update date:2022-08-11
Topics:
Mendelson, Wilford L.
Hayden, Stuart
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.
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(2017)Doi:10.1016/S0040-4039(01)83331-1
(1977)Doi:10.1039/C39760000605
(1976)Doi:10.1007/BF01169360
(1996)