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Diazotization‐iodination of aromatic amines in water mediated by crosslinked poly(4‐vinylpyridine) supported sodium nitrite
Author(s) -
Karimi Zarchi Mohammad Ali,
Ebrahimi Nahid
Publication year - 2011
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.34004
Subject(s) - sodium nitrite , reagent , nitrite , chemistry , aryl , salt (chemistry) , sodium salt , sodium , polymer chemistry , polymer , halogenation , nuclear chemistry , organic chemistry , inorganic chemistry , nitrate , alkyl
An Efficient and simple method for the diazotization of a wide range of aryl amines has been developed by using a polymer‐supported sodium nitrite. The diazotization of aryl amines occurred with crosslinked poly(4‐vinylpyridine)‐supported sodium nitrite, in the presence of concentrated H 2 SO 4 , at low temperature (0–5°C). The obtained diazonium salt, followed by treatment with KI in water at room temperature or at 60°C to produce a various of aryl iodides. The spent polymeric reagent can be regenerated and reused for several times without losing its activity. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011