Role of the benzylic hydroxyl group of adrenergic catecholamines in eliciting α-adrenergic activity. Synthesis and α1- and α2-adrenergic activity of 3-phenyl-3-piperidinols and their desoxy analogs
摘要:
In order to contribute to the definition of the role played by the benzylic hydroxyl group of adrenergic catecholamines in eliciting alpha-adrenergic activity, certain 3-phenyl-3-piperidinols (PPOs, 4) and their corresponding desoxy 3-phenylpiperidine analogs (PPEs, 6) were synthesized and tested for their alpha(1)- and alpha(2)-adrenergic activity be means of functional tests on isolated preparations. As regards the alpha(1)-adrenergic activity, the values of the activity indices of the cyclic catecholic compounds (PPO 4a and PPE 6a) indicate that the benzylic hydroxyl does not play an essential role, provided that the other two active groups are in the pharmacophoric conformation. However, the fact that none of the other non-catecholic cyclic analogs are active on the alpha(1)-receptor does not allow us to generalize this observation. As regards the alpha(2)-adrenergic activity, the high values of the activity indices of PPEs 6, compared with those of the corresponding 1-phenyl-2-aminoethanols (PAEs, 3), PPOs (4) and 2-phenylethylamines (PEAs, 5), confirm that when the aromatic moiety and the amino group are constrained into the pharmacophoric relationship, the presence of the alcoholic hydroxyl is not only unnecessary for the purposes of the expression of the activity at the level of the alpha(2)-adrenoceptor, but often has a negative effect.
[EN] BENZIMIDAZOLYL-METHYL UREA DERIVATIVES AS ALX RECEPTOR AGONISTS<br/>[FR] DÉRIVÉS DE BENZIMIDAZOLYL-MÉTHYLURÉE EN TANT QU'AGONISTES DU RÉCEPTEUR ALX
申请人:ACTELION PHARMACEUTICALS LTD
公开号:WO2015019325A1
公开(公告)日:2015-02-12
The present invention relates to benzimidazolyl-methyl urea derivatives of formula (I), wherein n, D, E, R1, R2, R3, R4, R6, R7, R8 and R9 are as defined in the description, their preparation and their use as pharmaceutically active compounds.
[EN] BRIDGED SPIRO [2.4] HEPTANE DERIVATIVES AS ALX RECEPTOR AND/OR FPRL2 AGONISTS<br/>[FR] DÉRIVÉS DE SPIRO[2.4]HEPTANE PONTÉS UTILES EN TANT QU'AGONISTES DU RÉCEPTEUR DE ALX ET/OU DU RÉCEPTEUR FPRL2
申请人:ACTELION PHARMACEUTICALS LTD
公开号:WO2010134014A1
公开(公告)日:2010-11-25
The present invention relates to bridged spiro[2.4]heptane derivatives of formula (I), wherein W, Y, Z, R1 and R2 are as defined in the description, their preparation and their use as pharmaceutically active compounds as ALX receptor and/or FPRL2 agonists for the treatment of inflammatory and obstructive airways diseases.
The present invention relates to bridged spiro[2.4]heptane derivatives of formula (I), wherein W, Y, Z, R
1
and R
2
are as defined in the description, their preparation and their use as pharmaceutically active compounds as ALX receptor and/or FPRL2 agonists for the treatment of inflammatory and obstructive airways diseases.