A more recent method starts with 3, 4-dimethoxyphenylacetic acid, which is converted to its acid chloride with thionyl chloride; this is reacted with dimethylamine to give the dimethylamide, which is then reduced using diborane to N, N-dimethyl 3, 4-dimethoxyphenethylamine; the methoxy-groups are finally cleaved with hydriodic acid to give DMDA.
12.
But this month the government offered its first major response when Attorney General Antonio Lozano sent the Mexican Congress a bill that would for the first time impose tough sentences _ up to 15 years imprisonment _ for those who traffic in precursors, including ephedrine and hydriodic acid and red phosphorous, two other ingreditents of methamphetamine.
