RAMOSETRON

New Drug Approvals

RAMOSETRON, Antiemetics

Ramosetron (INN),(1-methylindol-3-yl)-[(5R)-4,5,6,7-tetrahydro-3H-benzimidazol-5-yl]methanone,  132036-88-5 cas no

  C17H17N3O 
  279.33 g/mol

(1-methyl-1H-indol-3-yl)[(5R)-4,5,6,7-tetrahydro-1H-benzimidazol-5-yl]methanone

YM060

  • Nasea
  • Nor-YM 060
  • Ramosetron
  • UNII-7ZRO0SC54Y

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HYDROCHLORIDE SALT

2D image of a chemical structure

hyrochloride salt, cas no 132907-72-3

C17-H17-N3-O.Cl-H
315.8022
Yamanouchi (Originator)
GASTROINTESTINAL DRUGS, Irritable Bowel Syndrome, Agents for, Nausea and Vomiting, Treatment of, NEUROLOGIC DRUGS, 5-HT3 Antagonists
Launched-1996 JAPAN

 (−)-(R)-5-[(1-methyl-1H-indol-3-yl)carbonyl]-4,5,6,7-tetrahydro-1H-benzimidazole monohydrochloride (yield 78.8%, 99.5% e.e.). FAB-MS (m/z): 280 [M+H+]

1H NMR (DMSO-d6, 30° C.): δ ppm (TMS internal standard): 1.82-1.95 (1H, m), 2.12-2.22 (1H, m), 2.66-2.94 (4H, m), 3.63-3.72 (1H, m), 3.88 (3H, s), 7.24 (1H, t, J=8.0 Hz), 7.30 (1H, t, J=8.0 Hz), 7.56 (1H, d, J=8.0 Hz), 8.22 (1H, d, J=8.0 Hz), 8.53 (1H, s), 8.90 (1H, s), 14.42 (1H, br)

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Ramosetron (INN) is a serotonin 5-HT3 receptor antagonist for the treatment of nausea and…

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