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DOI: 10.1055/s-0030-1260046
A Green Procedure for the Diazotization-Iodination of Aromatic Amines under Aqueous, Strong-Acid-Free Conditions
Publication History
Publication Date:
13 May 2011 (online)
Abstract
A convenient and mild one-pot method for the synthesis of iodoarenes in high yields by the sequential diazotization-iodination of aromatic amines with a reusable polymeric diazotization agent in the presence of p-toluenesulfonic acid at room temperature in water was developed. The method is general and is the greenest alternative of the known diazotization-iodination methods. The method is also effective for the preparation of 1H-benzo[d][1,2,3]triazole and benzo[d][1,2,3]thiadiazole.
Key words
diazotization - halogenation - iodination - heterocycles - amines
-
1a
Diederich F.Stang PJ. Metal-Catalyzed Cross-Coupling Reactions Wiley-VCH; Weinheim: 1998. -
1b
Kotha S.Lahiri K.Kashinath D. Tetrahedron 2002, 58: 9633 -
1c
Bellina F.Carpita A.Rossi R. Synthesis 2004, 2419 -
1d
Prajapati D.Gohain M. Tetrahedron 2004, 60: 815 -
1e
Tour JM. J. Org. Chem. 2007, 72: 7477 -
1f
Ila H.Baron O.Wagner AJ.Knochel P. Chem. Commun. 2006, 583 -
1g
Hopf H. Tetrahedron 2008, 64: 11504 -
1h
Darses S.Genet J.-P. Chem. Rev. 2008, 108: 288 -
2a
Volkert WA.Hoffman TJ. Chem. Rev. 1999, 99: 2269 -
2b
Yu S.-B.Watson AD. Chem. Rev. 1999, 99: 2353 -
2c
Nilsson M. Exp. Clin. Endocrinol. Diabetes 2001, 109: 13 -
2d
Pleiss U. J. Labelled Compd. Radiopharm. 2007, 50: 818 -
3a
Hanson JR. J. Chem. Res. 2006, 277 -
3b
Stavber S.Jereb M.Zupan M. Synthesis 2008, 1487 - 4
Zollinger H. Diazo Chemistry I: Aromatic and Heteroaromatic Compounds VCH; Weinheim: 1994. - 5
Tundo P.Loris A.Selva M. Green Chem. 2007, 9: 777 - 6
Zarei A.Hajipour AR.Khazdooz L. Synthesis 2009, 941 -
7a
Filimonov VD.Semenischeva NI.Krasnokutskaya EA.Tretyakov AN.Hwang HY.Chi K.-W. Synthesis 2008, 185 -
7b
Krasnokutskaya EA.Semenischeva NI.Filimonov VD.Knochel P. Synthesis 2007, 81 -
7c
Gorlushko DA.Filimonov VD.Krasnokutskaya EA.Semenischeva NI.Go BS.Hwang HY.Cha EH.Chi K.-W. Tetrahedron Lett. 2008, 49: 1080, -
7d
Gorlushko DA.Filimonov VD.Semenishcheva NI.Krasnokutskaya EA.Tret’yakov AN.Chi K.-W. Russ. J. Org. Chem. 2008, 44: 1243 -
7e
Lee YM.Moon ME.Vajpayee V.Filimonov VD.Chi K.-W. Tetrahedron 2010, 66: 7418 -
7f
Moon ME.Choi Y.Lee YM.Vajpayee V.Trusova M.Filimonov VD.Chi K.-W. Tetrahedron Lett. 2010, 51: 6769 - 8
Filimonov VD.Trusova ME.Postnikov PS.Krasnokutskaya EA.Lee YM.Hwang HY.Kim H.Chi K.-W. Org. Lett. 2008, 10: 3961 -
9a
Caldarelli M.Baxendale IR.Ley SV. Green Chem. 2000, 2: 43 -
9b
Merrington J.James M.Bradley M. Chem. Commun. 2002, 140 - 11
Vogel’s Textbook of Practical Organic Chemistry
5th
ed.:
Furniss B. S.Hannaford A. J.Smith P. W. G.Tatchell A. R. Longman; London: 1989. - 12
Kryska A.Skulski L. J. Chem. Res., Synop. 1999, 590 -
13a
Damschroder RE.Peterson WD. Org. Synth. 1955, 3: 106 -
13b
Hünig S.Fleckenstein E. Liebigs Ann. Chem. 1970, 738: 192 - 14 Aldrich Handbook of Fine Chemicals and Laboratory Equipment Aldrich; Milwaukee: 2006-2007.
- 15
Zielinska A.Skulski L. Molecules 2005, 10: 1307 - 16
Barbero M.Degani I.Diulgheroff N.Dughera S.Fochi R. Synthesis 2001, 2180 - 17
Yu B.-C.Shirai Y.Tour JM. Tetrahedron 2006, 62: 10303
References
For several examples, the resulting diazonium tosylates can be partially isolated from the aqueous solution by extraction with ethyl acetate, followed by pouring the organic solution in diethyl ether. Properties and spectral data of these salts were identical to those previously obtained by diazotization in acetic acid.8