Process for preparing 5-(2-{[6-(2,2-difluoro-2-phenylethoxy)hexyl]amino}-1(r)-hydroxyethyl)-8-hydroxyquinolin-2(1h)-one via a novel intermediate
The present invention is concerned with a process for preparing a 5-(2-{[6-(2,2-difl 2-phenylethoxy) hexyl]amino}-1 (R)-hydroxyethyl)-8-hydroxyquinolin-2(1 H)-one compound of formula (I) or a pharmaceutically acceptable salt thereof.
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
25.06.2014
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention is concerned with a process for preparing a 5-(2-{[6-(2,2-difl 2-phenylethoxy) hexyl]amino}-1 (R)-hydroxyethyl)-8-hydroxyquinolin-2(1 H)-one compound of formula (I) or a pharmaceutically acceptable salt thereof. |
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Bibliography: | Application Number: CN201280049152 |