公开(公告)号：US20190055262A1

公开(公告)日：2019-02-21

申请号：US16074290

申请日：2017-02-15

Applicant: Pfizer Inc.

Inventor： Thomas Allen Chappie ,  Nandini Chaturbhai Patel ,  Patrick Robert Verhoest ,  Christopher John Helal ,  Simone Sciabola ,  Erik Alphie LaChapelle ,  Travis T. Wager ,  Matthew Merrill Hayward

IPC: C07D498/04 ,  C07D519/00

Abstract: The present invention is directed to compounds of Formula I: or a pharmaceutically acceptable salt thereof, wherein the substituents R1, R2, R3, and R4 are as defined herein. The invention is also directed to pharmaceutical compositions comprising the compounds, methods of treatment using the compounds, and methods of preparing the compounds.

公开(公告)号：US09598421B2

公开(公告)日：2017-03-21

申请号：US14817606

申请日：2015-08-04

Applicant: Pfizer Inc.

Inventor： Thomas Allen Chappie ,  Patrick Robert Verhoest ,  Nandini Chaturbhai Patel ,  Matthew Merrill Hayward ,  Christopher John Helal ,  Simone Sciabola ,  Erik Alphie LaChapelle ,  Joseph Michael Young

IPC: C07D487/04 ,  C07D519/00

CPC classification number: C07D487/04 ,  C07D519/00

Abstract: The present invention is directed to compounds of Formula I: or a pharmaceutically acceptable salt thereof, wherein the substituents R1, R3, R6, R7, and b are as defined herein. The invention is also directed to pharmaceutical compositions comprising the compounds, methods of treatment using the compounds, and methods of preparing the compounds.