Invention Grant
- Patent Title: Method for the preparation of 1-(2-halogen-ethyl)-4 piperidine-carboxylic acid ethyl esters
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Application No.: US15520256Application Date: 2015-10-22
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Publication No.: US10023535B2Publication Date: 2018-07-17
- Inventor: Giorgio Bertolini , Corrado Colli , Aldo Bianchi , Federica Colombo , Stefano Maiorana , Filippo Nisic
- Applicant: LABORATORIO CHIMICO INTERNAZIONALE S.P.A.
- Applicant Address: IT Rodano (MI)
- Assignee: OLON S.P.A.
- Current Assignee: OLON S.P.A.
- Current Assignee Address: IT Rodano (MI)
- Agency: Lucas & Mercanti, LLP
- Priority: ITMI2014A1875 20141103
- International Application: PCT/IB2015/058145 WO 20151022
- International Announcement: WO2016/071792 WO 20160512
- Main IPC: C07D211/62
- IPC: C07D211/62 ; C07C22/00 ; C07F13/00 ; C07D211/06 ; C07C209/24
Abstract:
The present invention refers to a process for the preparation of 1-(2-halogen-ethyl)-4-piperidinecarboxylic acid ethyl esters, in particular of 1-(2-chloroethyl)-4 piperidinecarboxylic acid ethyl ester, a versatile synthesis intermediate, particularly useful as an intermediate compound in the synthesis of umeclidinium.
Public/Granted literature
- US20170313657A1 METHOD FOR THE PREPARATION OF 1-(2-HALOGEN-ETHYL)-4 PIPERIDINE-CARBOXYLIC ACID ETHYL ESTERS Public/Granted day:2017-11-02
Information query
