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.

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.