Process for preparing thiophene derivatives

Details Process for preparing thiophene derivatives Process for preparing thiophene derivatives

1988-06-27

1989-07-11

Siegel, Alan

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 61, C07D33336, C07D33338

Patent

active

048473863

ABSTRACT:
A process for the preparation of 3-aminothiophenes or acid-addition salts thereof, which comprises reacting the corresponding 3-oxotetrahydrothiophenes with an acid-addition salt of hydroxylamine in the presence of a polar inert solvent and in the absence of a base at a temperature in the range of from 0.degree. to 200.degree. C.

REFERENCES:
patent: 2443598 (1948-06-01), Cheney et al.
patent: 2502423 (1950-04-01), Cheney et al.
patent: 3445473 (1969-05-01), Ruschig et al.
patent: 4317915 (1982-03-01), Confalone et al.
patent: 4428963 (1984-01-01), Confalone et al.
Baker, B. R., et al., J. Org. Chem., 18, 138-152, (1953).

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-438271