Abstract Several possible methods of obtaining 4-methoxy-2, 3- methylenedioxybenzaldehyde have been considered. A method ensuring the synthesis of this aldehyde with a yield of 35–40% has been developed which consists in the bromination
[McKittrick, Brian A.; Stevenson, Robert Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 10 p. 2423 - 2424]