Process for the preparation of thiophene derivatives

Details Process for the preparation of thiophene derivatives Process for the preparation of thiophene derivatives

1990-02-02

1992-03-31

Niebling, John

Chemistry: electrical and wave energy

Processes and products

204 73R, C25C 100

Patent

active

051005204

ABSTRACT:
Selectively dehalogenated thiophene derivatives are obtained from compounds of the formula II ##STR1## by an electrochemical reaction in a divided electrolysis cell in the presence of a suitable solvent, an onium compound or a compound which is converted into an onium compound in the electrolyte, and a conducting salt. Thiophene derivatives are important intermediates in the production of pharmaceuticals and plant protection agents.

REFERENCES:
patent: 4588484 (1986-05-01), Justice, Jr. et al.
patent: 4880508 (1989-11-01), Aldissi
Gronowitz, S. et al., Organic Synthesis, Collective vol. 5, John Wiley & Sons, N.Y., 1973, pp. 149-151.
Gul'tyai, V. P., Chem. Abs. 91: 157538h (1979).
Pletcher, D. et al., J. Appl. Electrochem. 10:575-582 (1980).
Sosonkin, I. M. et al., Chem. of Heterocyclic Comps.2:195-198 (1981) in Engl.: 137-140.
Dettmeier, U. M. et al., Angew. Chem. Int. Ed. 26-469 (1987).

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2256642