Method for the preparation of substituted and unsubstituted 2,3-

Details Method for the preparation of substituted and unsubstituted 2,3- Method for the preparation of substituted and unsubstituted 2,3-

1990-12-19

1992-06-16

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546321, 546168, 546171, 546176, C07D213803, C07D21516

Patent

active

051226081

ABSTRACT:
There is provided a process for the preparation of a substituted or unsubstituted 2,3-pyridine or quinolinedicarboxylic acid by hydrolysis of a substituted or unsubstituted 2,3-pyridine or quinolinedicarboxylic acid diester with an acid having an ionization constant pK.sub.a of less than 3.0 followed by isolation of the product as the free acid or an acid salt.

REFERENCES:
patent: 3027380 (1962-03-01), Leonard et al.
patent: 3829432 (1974-08-01), Hanotier et al.
patent: 4460776 (1984-07-01), Wepplo
patent: 4608079 (1986-08-01), Los
patent: 4723011 (1988-02-01), Doehner, Jr.
patent: 4798619 (1989-01-01), Los
Hoogeweff et al., Chem. Ber., 13: 1639.
Riedel, Chem. Ber., 16: 1609-1616 1639.
Doebner et al., Chem. Ber., 18: 1640-1646--1613.
Monatshefte Fur Chem., 3:79 11639.
Oakes et al., J. Chem. Soc., p. 4433 (1956).
Blank et al., J. Medicinal Chem., 17 (No. 10): 1065-(1974).

Affiliated with

Also associated with

Rating

Method for the preparation of substituted and unsubstituted 2,3- does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for the preparation of substituted and unsubstituted 2,3-, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the preparation of substituted and unsubstituted 2,3- will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1754941