Process for the preparation of difluorobenzaldehydes

Details Process for the preparation of difluorobenzaldehydes Process for the preparation of difluorobenzaldehydes

1992-07-14

1993-03-02

Lone, Werren B.

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

Organic compounds

Oxygen containing

568425, 568426, C07C 4563, C07C 4755

Patent

active

051911264

ABSTRACT:
Process for the preparation, in high yields, of difluorobenzaldehydes of the formula (1) ##STR1## in which the second fluorine atom is in the 4 or 6 position, by reacting a dichlorobenzaldehyde of the formula (2) ##STR2## in which the second chlorine atom is in the 4 or 6 position, with an alkali metal fluoride in a dipolar aprotic solvent in the presence of an ethylene glycol dialkyl ether as catalyst of the formula (3)

REFERENCES:
patent: 4845304 (1989-07-01), Yoshida et al.
patent: 5041683 (1991-08-01), Marhold et al.

Affiliated with

Also associated with

Rating

Process for the preparation of difluorobenzaldehydes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of difluorobenzaldehydes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of difluorobenzaldehydes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-127845