Title:
METHOD FOR PRODUCING AMINOALKYL TETRAHYDROPYRAN DERIVATIVE
Document Type and Number:
WIPO Patent Application WO/2021/256181
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method for producing, at a high yield, an aminoalkyl tetrahydropyran derivative for use in the treatment and/or prevention of pain. The present invention is a production method in which a compound represented by formula (2) or a salt thereof is reacted with a base, to be converted to an alkyl tetrahydropyran derivative represented by formula (1) or a pharmaceutically acceptable salt thereof.
Inventors:
MURATA TAKAHIKO (JP)
NISHIYAMA AKIRA (JP)
NISHIYAMA AKIRA (JP)
Application Number:
PCT/JP2021/019651
Publication Date:
December 23, 2021
Filing Date:
May 24, 2021
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
A61P25/04; A61K31/351; C07D309/06
Domestic Patent References:
| WO2019156074A1 | 2019-08-15 |
Other References:
MOHACSI, E. ET AL.: "Synthesis and stereochemistry of tetrahydro-4-aryl-3-[(dimethylamino)methyl]-2H- pyranols as potential analgesics", JOURNAL OF HETEROCYCLIC CHEMISTRY, vol. 27, no. 6, 1990, pages 1623 - 1628, XP055830970, DOI: 10.1002/jhet.5570270618
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
Download PDF:
Previous Patent: URETHANE ADHESIVE COMPOSITION
Next Patent: SEMICONDUCTOR DEVICE, AND MANUFACTURING METHOD THEREFOR
Next Patent: SEMICONDUCTOR DEVICE, AND MANUFACTURING METHOD THEREFOR