High-pressure alkylation of bis(benzylidene)phenylenediamines |
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| Authors: | Agafonov N E Dudin A V Preobrazhenskii A A Zhulin V M |
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| Institution: | (1) N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russian Federation |
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| Abstract: | The reactions of alkyl chlorides with bisanils (obtained from o-, m-, and p-phenylenediamines) under high pressure (10 kbar) were studied. Depending on the structure of the starting diamines and the solvent nature, hydrolysis of the reaction mixtures gave pure N-monoalkyl- or N,N"-dialkylphenylenediamines in high yields. The effect of the phase transition of the solvent on the direction of alkylation is discussed. |
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| Keywords: | azomethines anils phenylenediamines high-pressure alkylation |
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