Patent · US Expired

Preparation of .alpha.-methylsubstituted carbonyl compounds

US4374274A · kind A · utility

4Cited by

6References

9Claims

0Family size

Assignee

BASF SE

Inventors

Gerd Heilen · Speyer, DE
Klaus Halbritter · Heidelberg, DE
Walter Gramlich · Edingen-Neckarhausen, DE

Key dates

Filing date	Sep 11, 1980
Grant date	Feb 15, 1983
Priority date	—
Expiry date	Sep 11, 2000

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/14
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for the preparation of .alpha.-methylsubstituted ketones by reacting the corresponding non-methylsubstituted ketones with formaldehyde under hydrogenating conditions. The reaction proceeds easily and with good yields if a catalyst containing metallic palladium deposited on a zirconium, hafnium, titanium or tin phosphate is used. The products are valuable intermediates for the preparation of dyes, crop protection agents or drugs.

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