Patent · US Expired

Method for producing toluol derivatives

US7230141B2 · kind B2 · utility

2Cited by

2References

12Claims

0Family size

Assignee

BASF SE

Inventors

Nils Bottke · Ludwigshafen am Rhein, DE
Rolf Fischer · Heidelberg, DE
Thomas Nöbel · Schifferstadt, DE
Markus Rösch · Oppenheim, DE

Key dates

Filing date	Jan 20, 2003
Grant date	Jun 12, 2007
Priority date	—
Expiry date	Sep 13, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2523/755
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for preparing toluene derivatives of the formula I,where R1, R2 and R3 independently of one another are hydrogen, halogen, C1–C6-alkyl, hydroxyl or C1–C6-alkoxy, by hydrogenating benzaldehydes and/or benzyl alcohols of the formula II,with hydrogen in the presence of a catalyst, which is described in more detail in the description.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.