MACITENTAN, Actelions, pulmonary arterial hypertension investigational drug

New Drug Approvals

File:Macitentan skeletal.svg

MACITENTAN

N-[5-(4-Bromophenyl)-6-[2-[(5-bromo-2-pyrimidinyl)oxy]ethoxy]-4-pyrimidinyl]-N’-propylsulfamide,

N-[5-(4-Bromophenyl)-6-[2-[(5-bromo-2-pyrimidinyl)oxy]ethoxy]-4-pyrimidinyl] -N’-propylsulfamide

CAS NO  441798-33-0

ACT-064992, Opsumit,UNII-Z9K9Y9WMVL
Mechanism of Action: Endothelin receptor antagonist (ERA)
Date of Approval: October 18, 2013(US)
Indication: Pulmonary Hypertension (PAH)
Company: Actelion Pharmaceuticals Ltd
PCT patent application: WO2002053557

FDA N204410, MACITENTANTABLET; ORAL10MG, OPSUMIT, ACTELION PHARMS LTD

Macitentan is achiral

Macitentan is a crystalline powder that is insoluble in water. In the solid state macitentan is very stable, is not hygroscopic, and is not light sensitive.

Mp 135–136 °C;………….J. Med. Chem., 2012, 55 (17), pp 7849–7861, DOI: 10.1021/jm3009103/CN 104447572
Rf (silica gel, heptane:ethyl acetate 1:1) 0.44.
LC-MS: tR = 0.79 min, [M + H]+ = 588.86 (major isotope).
HR-LC-MS: tR = 1.96 min; (m + H)/z = 586.9711, found = 586.9714.
 
1H NMR (CDCl3): δ 8.51 (s, 2 H), 8.49 (s, 1 H), 7.58–7.63 (m, 2 H), 7.16–7.21…

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