Preparation of amines

US5817871A · kind A · utility

Assignee

• BASF SE

Inventors

• Uwe Dingerdissen · Seeheim-Jugenheim, DE
• Gunter Lauth · Lübeck, DE
• Andreas Henne · Neustadt, DE
• Peter Stops · Altrip, DE
• Karsten Eller · Stockach, DE
• Eugen Gehrer · Stockach, DE

Key dates

• Filing date: Aug 15, 1997
• Grant date: Oct 6, 1998
• Expiry date: Aug 15, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2601/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparing an amine by catalytic reaction of an olefin with ammonia or a primary or secondary amine by contacting a mixture of the reactants in a reactor at 200.degree. to 400.degree. C. and an elevated pressure up to 700 bar in the presence of a catalyst consisting essentially of an X-ray amorphous (non-crystalline) mesoporous catalyst, some of which may have a microporous non-crystalline content. The catalyst has the composition EQU a MO.sub.2 * b Q.sub.2 O.sub.3 * c P.sub.2 O.sub.5 where Q is at least one of the trivalent elements aluminum, boron, chromium, iron or gallium, and M is at least one of the tetravalent elements silicon, titanium or germanium. The molar ratio of a:b is from 0.5:1 to 1000:1 and the molar ratio of c:b is from 0 to 2:1. As prepared and used in the process, this non-crystalline catalyst has a specific BET surface area of from 200 to 1000 m.sup.2 /g.