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Novel Method for the Phase‐Transfer Catalyzed Sulfodechlorination of 1‐Chloro‐2,4‐dinitrobenzene
Author(s) -
Gisler Markus,
Zollinger Heinrich
Publication year - 1981
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198102031
Subject(s) - moiety , yield (engineering) , catalysis , amine gas treating , alkyl , protonation , chemistry , medicinal chemistry , dinitrobenzene , tertiary amine , phase (matter) , potassium , phase transfer catalyst , organic chemistry , ion , materials science , metallurgy
Mild conditions and very good yields typify the sulfodechlorination of 1‐chloro‐2,4‐dinitrobenzene with potassium disulfite to 2,4‐dinitrobenzoic acid in the presence of protonated tertiary amines as phase‐transfer catalysts; the yield and above all the purity of the product depends on the chain‐length of the alkyl moiety of the amine.