dma synthesis. dob precursor.

A 2,5-Dimethoxybenzaldehyde and nitroethane condensation produces 1-(2,5-dimethoxyphenyl)-2-nitropropene. A 1-(2,5-Dimethoxyphenyl)-2-nitropropene reduction gives 2,5-dimethoxyamphetamine (2,5-DMA) free base. https://bbgate.com/threads/dox-phenethylamines-series-dob-dom-doi-doc-syntheses.1697/