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公开(公告)号:US20200262842A1
公开(公告)日:2020-08-20
申请号:US16062760
申请日:2016-12-16
Applicant: LEO Pharma A/S
Inventor: Allan Carsten DAHL , Gitte Holm JENSEN , Tine Marianne DUUS
IPC: C07D495/10
Abstract: The present invention relates to novel methods for the preparation of 1,3-benzo-dioxole heterocyclic compounds and intermediates for the same. The compounds are useful as PDE4 inhibitors.