The metabolism of the dual endothelin receptor antagonist macitentan in rat and dog
摘要:
1.The metabolism of the endothelin receptor antagonist macitentan has been characterized in bile duct-cannulated rats and dogs.2.In both species, macitentan was metabolized along five primary pathways, i.e. conjugation with glucose (M9), oxidative depropylation (M6), aliphatic hydroxylation (M7), oxidative cleavage of the ethylene glycol linker (M4) and hydrolysis of the sulfamide moiety (M3). Most of the primary metabolites underwent subsequent biotransformation including conjugation with glucuronic acid or glucose, hydrolysis of the sulfamide group or secondary oxidation of the ethylene glycol moiety.3.Though there were species differences in their relative importance, all metabolic pathways were present in rat and dog. The depropylated M6 was the only metabolite present in plasma of both species.4.Metabolism was a prerequisite for macitentan excretion as relevant amounts of parent drug were neither detected in bile nor urine. Biliary excretion was the major elimination pathway, while renal elimination was of little importance.
[EN] PROCESS FOR PREPARATION OF MACITENTAN<br/>[FR] PROCÉDÉ DE PRÉPARATION DE MACITENTAN
申请人:SHILPA MEDICARE LTD
公开号:WO2017191565A1
公开(公告)日:2017-11-09
The present invention relates to a process for the preparation of N-[5-(4-Bromophenyl)- 6-[2-[(5-bromo-2-pyrimidinyl)oxy]ethoxy]-4-pyrimidinyl]-N'propylsulfamide or Macitentan of Formula (I). The present invention further relates to a process for the preparation highly pure N-[5- (4-Bromophenyl)-6- [2- [(5 -bromo-2-pyrimidinyl)oxy]ethoxy] -4-pyrimidinyl] - N'propylsulfamide or Macitentan of Formula (I). Said substantially pure Macitentan is useful in the preparation of pharmaceutical composition for the treatment of cardiac disorders.
[EN] 4-PYRIMIDINESULFAMIDE DERIVATIVE<br/>[FR] DÉRIVÉ DE 4-PYRIMIDINESULFAMIDE
申请人:ACTELION PHARMACEUTICALS LTD
公开号:WO2009024906A1
公开(公告)日:2009-02-26
The invention relates to the compound of structural formula (I) and the salts thereof. Said compound is useful as endothelin receptor antagonist. The invention further relates to a process for preparing said compound.
The invention relates to the compound of structural formula (I) and the salts thereof. Said compound is useful as endothelin receptor antagonist. The invention further relates to a process for preparing said compound.
The invention relates to novel aryl-ethene-sulfonamides and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as endothelin receptor antagonists.
[EN] PYRIMIDINE-SULFAMIDES AND THEIR USE AS ENDOTHELIAN RECEPTOR ANTAGONIST<br/>[FR] PYRIMIDINE-SULFAMIDES ET LEUR UTILISATION COMME ANTAGONISTE DU RECEPTEUR D'ENDOTHELINE
申请人:ACTELION PHARMACEUTICALS LTD
公开号:WO2004050640A1
公开(公告)日:2004-06-17
The invention relates to novel sulfamic acid amides of General Formula (I) and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as endothelin receptor antagonists. [ADD FORMULA]