Patent US5656648 (http://l2.espacenet.com/dips/viewer?PN=US5656648&CY=gb&LG=en&DB=EPD)
, as well as Chem. Pharm. Bull. 39(9), 2400-2407 (1991) (quoted in that patent) describes the alkylation (1. BuLi 2. E+, or AlCl3 + ClCH2COCl) of various 1-substituted (Halo, Alkyl, Trifluoromethyl) 3,5-Dimethoxybenzenes, which make excellent precursors for pseudo-2C-X compounds (4-substituted 2,6-dimethoxyphenethylamines).Post 122771 (https://www.thevespiary.org/talk/index.php?topic=12344.msg12277100#msg12277100)
(dormouse: "Synthetic challenge: Pseudo 2C-B -Rhodium", Serious Chemistry)Chem. Pharm. Bull. 39(9), 2400-2407 (1991) (https://www.thevespiary.org/rhodium/Rhodium/djvu/kitagawa.djvu)
(https://www.thevespiary.org/rhodium/Rhodium/djvu/kitagawa.djvu)