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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.
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2.
公开(公告)号:US20190367512A1
公开(公告)日:2019-12-05
申请号:US16477249
申请日:2018-01-10
Applicant: LEO Pharma A/S
Inventor: Jens LARSEN , Mogens LARSEN , Lars Kyhn RASMUSSEN , Andreas RITZEN , Tine Marianne DUUS
IPC: C07D471/04
Abstract: The present invention relates to a compound according to formula (I) or pharmaceutically acceptable salts, hydrates, or solvates thereof; wherein R1 is C1-alkyl, R2 is C1-alkyl, R3 is C2-alkyl, R4 is hydrogen, R5 is hydrogen. The invention relates further to said compounds for use in therapy, to pharmaceutical compositions comprising said compounds, to said compounds for use in the treatment autoimmune diseases and to intermediates for the preparation of said compounds.
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