Synthesis and Antihypertensive Activity of 1,4-Dihydropyridine Derivatives with a 4-(Disubstituted Phenyl) Ring and an Aminoalyl Ester Group: Highly Potent and Long-Lasting Calcium Antagonists.
New 1,4-dihydropyridine derivatives bearing a 4-(disubstituted phenyl) ring and an aminoethyl ester or an amino-2,2-dimethyl-propyl ester were synthesized and their antihypertensive activities were examined in normotensive rats and spontaneously hypertensive rats. The effects of phenyl substituents and ester groups on the antihypertensive activity are discussed. Several compounds showed a more potent
1,4-Dihydropyridine derivative, process for production thereof and pharmaceutical use thereof
申请人:TEIJIN LIMITED
公开号:EP0128010A2
公开(公告)日:1984-12-12
A 1,4-dihydropyridine derivative of the formula
wherein R1 and R2 are identical or different and each represents a hydrogen atom, a halogen atom or a nitro group, provided that R1 and R2 are not hydrogen atoms at the same time; R3 represents an alkyl group; R4 represents an aralkyl group which may be substituted; R5 and R7 are identical or different and each represents an alkyl group; R6 represents a hydrogen atom or an alkyl group; R8 represents an alkyl group; R9 represents a hydrogen atom or an alkyl group; n and m are identical or different and each represents an integer of 0 to 6; provided that when either one of R' and R2 is a hydrogen atom, R9 is an alkyl group;
or an acid addition salt thereof.
The 1,4-dihydropyridine derivative is characterized by a strong antihypertensive activity and the long duration of the activity.
Certain aralkylaminoalkyl esters of 1,4 dihydropyridines as
申请人:Teijin Limited
公开号:US04578395A1
公开(公告)日:1986-03-25
A 1,4-dihydropyridine derivative of the formula ##STR1## wherein R.sup.1 and R.sup.2 are identical or different and each represents a hydrogen atom, a halogen atom or a nitro group, provided that R.sup.1 and R.sup.2 are not hydrogen atoms at the same time; R.sup.3 represents an alkyl group; R.sup.4 represents an aralkyl group which may be substituted; R.sup.5 and R.sup.7 are indentical or different and each represents an alkyl group; R.sup.6 represents a hydrogen atom or an alkyl group; R.sup.8 represents an alkyl group; R.sup.9 represents a hydrogen atom or an alkyl group; n and m are identical or different and each represents an integer of 0 to 6; provided that when either one of R.sup.1 and R.sup.2 is a hydrogen atom, R.sup.9 is an alkyl group; or an acid addition salt thereof. The 1,4-dihydropyridine derivative is characterized by a strong antihypertensive activity and the long duration of the activity.