1,4,Dihydro-pyridine intermediates

Details 1,4,Dihydro-pyridine intermediates 1,4,Dihydro-pyridine intermediates

1991-04-17

1993-06-01

Higel, Floyd D.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544180, 564273, C07D25100, C07D25300, C07C25100, C07C24900

Patent

active

052161579

ABSTRACT:
The invention relates to a process for the preparation of dimethyl-1,4-dihydro-2,6-dimethyl-4-(2'-nitro-phenyl)-pyridine-3,5-dicarbo xylate of the Formula I ##STR1## which comprises a) reacting a compound of the general Formula II ##STR2## (wherein n is 1 or 3; if n is 1, then R stands for a group of the Formula (a) ##STR3## and if n is 3, then R represents hydrogen) with methyl acetoacetate of the Formula III

REFERENCES:
patent: 2533205 (1950-12-01), Chenicek
patent: 3639480 (1972-02-01), Kubanek
patent: 3725395 (1973-04-01), Siegrist et al.
patent: 3827780 (1974-08-01), Labes

Affiliated with

Also associated with

Rating

1,4,Dihydro-pyridine intermediates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 1,4,Dihydro-pyridine intermediates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 1,4,Dihydro-pyridine intermediates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1816029