Process for the preparation of N-alkylated anilines

Details Process for the preparation of N-alkylated anilines Process for the preparation of N-alkylated anilines

1989-01-25

1991-11-26

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564401, C07C20918

Patent

active

050684345

ABSTRACT:
N-alkylated anilines can be prepared by reaction of anilines with lower alcohols or dialkyl ethers at elevated temperature and in the presence of zeolite catalysts of the pentasil type containing protons and having an SiO.sub.2 /Al.sub.2 O.sub.3 ratio of at least 60.

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Chen et al. II, Chem. Abst., "The Selective Alkylation of Aniline with Methanol over ZSM-5 Zeolite", vol. 107 (1987), 107:6705h.
Wu et al., Chem. Abst., "Alkylation of Aniline with Methanol over ZSM-5 and ADHM Zeolites", vol. 109 (1988), 109:75635p.
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Chemical Abstracts Band 103, Nr. 2, 15, Juli 1985, Seite 75, Spaltel 1, Zusammenfassung Nr. 7725u, Columbus, Ohio, US; G.O. Chivadze et al.: "Alkylation of Aniline by Methanol on Modified Synthetic Zeolites."; & Izv. Akad. Nauk Gruz. SSR, Ser. Khim. 1984, 10(3) Seiten 232-234.
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Chemical Abstracts Band 109, Nr. 10,5 Sep. 1988, Seite 127, Spalte 1, Zusammenfassung Nr. 75635p, Columbus, Ohio, US; Kerui Wu et al.: "Alkylation of Aniline with Methanol Over ZSM-5 and ADHM Zeolites."; & Shiyou Huagong 1988(3) Seiten 135-138.

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