INDUSTRIAL PROCESS FOR THE PREPARATION OF HEXANOIC ACID, 6(NITROOXY)-,(1S,2E)-3-[(1R,2R,3S,5R)-2-[(2Z)-7-(ETHYLAMINO)-7-OXO-2-HEPTEN-1-YL]3,5-DIHYDROXYCYCLOPENTYL]-1-(2-PHENYL ETHYL)-2-PROPEN-1-YL ESTER AND HIGH PURE PRODUCT

INDUSTRIAL PROCESS FOR THE PREPARATION OF HEXANOIC ACID, 6(NITROOXY)-,(1S,2E)-3-[(1R,2R,3S,5R)-2-[(2Z)-7-(ETHYLAMINO)-7-OXO-2-HEPTEN-1-YL]3,5-DIHYDROXYCYCLOPENTYL]-1-(2-PHENYL ETHYL)-2-PROPEN-1-YL ESTER AND HIGH PURE PRODUCT

The present invention relates to a process for preparing hexanoic acid, 6-(nitrooxy)-, (1S,2E)-3-[(1R,2R,3S,SR)-2-[(2Z)-7-(ethylamino)-7-oxo-2-hepten-1-yl]-3,5-dihydroxycyclopentyl]-1-(2-phenylethyl)-2-propen-1-yl esterIn accordance with the present invention, a pharmaceutical grade Compound (I) can...

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Hauptverfasser: SÁNTÁNÉ CSUTOR, Andrea, KOVÁCS, Szabolcs, HORTOBÁGYI, Irén, PÓTI, Judit, RONSIN, Gael, ALMIRANTE, Nicoletta
Format: Patent
Sprache:eng ; fre ; ger
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HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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creator SÁNTÁNÉ CSUTOR, Andrea
KOVÁCS, Szabolcs
HORTOBÁGYI, Irén
PÓTI, Judit
RONSIN, Gael
ALMIRANTE, Nicoletta
description The present invention relates to a process for preparing hexanoic acid, 6-(nitrooxy)-, (1S,2E)-3-[(1R,2R,3S,SR)-2-[(2Z)-7-(ethylamino)-7-oxo-2-hepten-1-yl]-3,5-dihydroxycyclopentyl]-1-(2-phenylethyl)-2-propen-1-yl esterIn accordance with the present invention, a pharmaceutical grade Compound (I) can be efficiently prepared by a one-pot reactions preparation step that includes the esterification of the 15-OH bimatoprost by coupling bimatoprost phenyl-boronate with 6-(nitrooxy)hexanoic acid and the removal of the boronate ester protecting group, followed by an efficient purification step.The invention refers also to high purity Compound (I) substantially free of the impurity 15-(6-chlorohexanoyl) ester of bimatoprost and to ophthalmic pharmaceutical formulations containing the high purity compound.
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HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
title INDUSTRIAL PROCESS FOR THE PREPARATION OF HEXANOIC ACID, 6(NITROOXY)-,(1S,2E)-3-[(1R,2R,3S,5R)-2-[(2Z)-7-(ETHYLAMINO)-7-OXO-2-HEPTEN-1-YL]3,5-DIHYDROXYCYCLOPENTYL]-1-(2-PHENYL ETHYL)-2-PROPEN-1-YL ESTER AND HIGH PURE PRODUCT
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