46202-40-8Relevant articles and documents
Sulfonation of 1,2-(methylenedioxy)benzene, 1,2-(ethylenedioxy)benzene, 2-methylanisole, 2,3-dihydrobenzofuran, chromane, benzo-15-crown-5 and dibenzo-30-crown-10 in concentrated sulfuric acid and with sulfur trioxide
Ansink, Harold,Cerfontain, Hans
, p. 395 - 403 (2007/10/02)
The sulfonation of 1,2-(methylenedioxy)benzene (2), 1,2-(ethylenedioxy)benzene (3), benzo-15-crown-5 (4), 2-methylanisole (5), 2,3-dihydrobenzofuran (7), 2,3-dihydrobenzopyran (chromane, 8) and dibenzo-30-crown-10 (9) in concentrated sulfuric acid and wit