New closure method for a simultaneous diazo coupling between 1- and 2-Naphthols and diazotized sulphanilic acid
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چکیده
منابع مشابه
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15 صفحه اولDiazotization of Aniline Derivatives and Diazo Couplings in the Presence of p-Toluenesulfonic Acid by Grinding
The solid–solid reactions of electron-donor compounds, such as: barbituric acid (1a), thiobarbituric acid (1b), 1,3-dimethyl barbituric acid (1c), phenol (1d) and resorcinol (1e) with diazotized o-nitroaniline (3), m-nitroaniline (4) and p-nitroaniline (5) catalyzed by p-toluenesulfonic acid (2) afford azo dyes by grinding in good yields. This new method totally avoids the use of inorganic acid...
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ژورنال
عنوان ژورنال: PJCT
سال: 2009
ISSN: 1899-4741,1509-8117
DOI: 10.2478/v10026-009-0016-z