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公开(公告)号：US20210147440A1
公开(公告)日：2021-05-20
申请号：US16624491
申请日：2018-06-19
Applicant: LEO Pharma A/S
Inventor： Allan Carsten DAHL , Johan Eriksson BAJTNER , Esben Paul Krogh OLSEN , Bjørn METZLER
IPC: C07D495/10 , B01J21/16
Abstract: The present invention relates to novel methods for the preparation of 1,3-benzodioxole heterocyclic compounds of formula (I). The compounds are useful as PDE4 inhibitors.
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