Patent · US Expired

Preparation of 1,1,4,4-tetramethoxy-2-butene

US6407291B1 · kind B1 · utility

0Cited by

2References

7Claims

0Family size

Assignee

BASF SE

Inventors

Christoph Wegner · Schifferstadt, DE
Joachim Paust · Schifferstadt, DE
Hansgeorg Ernst · Speyer, DE

Key dates

Filing date	Sep 26, 2000
Grant date	Jun 18, 2002
Priority date	—
Expiry date	Sep 26, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C41/50
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for the preparation of 1,1,4,4-tetramethoxy-2-butene by reacting 2,5-dimethoxydihydrofuran with methanol in the presence of acids comprises carrying out the reaction in the presence of solid catalysts having acidic centers.

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