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Aromatic sulfonation XI: Sulfonation of benzene and toluene with sulfur trioxide; sulfone formation and sulfonic acid isomer distribution.

โœ Scribed by H. Cerfontain; Miss A. Telder; L. Vollbracht

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
890 KB
Volume
83
Category
Article
ISSN
0165-0513

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## Abstract The reactions of the alkenoic acid derivatives 1aโ€“19a with sulfur trioxide were studied in the temperature range โˆ’60 to 25ยฐC using dichloromethane as solvent and 1.5 equiv. of dioxane as reactivity moderator. The alkenoic acids 13a and 14a, having a โ€(CH~2~)~4~โ€ and โ€(CH~2~)~7~โ€ linkage