Patents by Inventor Yuetao SHI

Yuetao SHI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

PROCESS OF PREPARING 3-FLUORO-5(((1R,2AR)-3,3,4,4-TETRAFLUORO-1,2A-DIHYDROXY-2,2A,3,4-TETRAHYDRO-1H-CYCLOPENTA[CD]INDEN-7-YL)-OXY)BENZONITRILE

Publication number: 20230202970

Abstract: Disclosed herein are processes for preparing certain intermediates useful in the synthesis of 3-fluoro-5-(((1S,2aR)-1,3,3,4,4-pentafluoro-2a-hydroxy-2,2a,3,4-tetrahydro-1H-cyclopenta[cd]inden-7-yl)oxy)benzonitrile or a pharmaceutically acceptable salt thereof.

Type: Application

Filed: March 2, 2023

Publication date: June 29, 2023

Inventors: Jiping FU, Yan LOU, Yigang HE, Yuetao SHI, Peng ZHOU, Xingxing LI
Process of preparing 3-fluoro-5(((1R,2aR)-3,3,4,4-tetrafluoro-1,2a-dihydroxy-2,2a,3,4-tetrahydro-1H-cyclopenta[cd]inden-7-yl)-oxy)benzonitrile

Patent number: 11634382

Abstract: Disclosed herein are processes for preparing certain intermediates useful in the synthesis of 3-fluoro-5-(((1S,2aR)-1,3,3,4,4-pentafluoro-2a-hydroxy-2,2a,3,4-tetrahydro-1H-cyclopenta[cd]inden-7-yl)oxy)benzonitrile or a pharmaceutically acceptable salt thereof.

Type: Grant

Filed: October 15, 2021

Date of Patent: April 25, 2023

Assignee: NiKang Therapeutics, Inc.

Inventors: Jiping Fu, Yan Lou, Yigang He, Yuetao Shi, Peng Zhou, Xingxing Li
PROCESS OF PREPARING 3-FLUORO-5(((1R,2AR)-3,3,4,4-TETRAFLUORO-1,2A-DIHYDROXY-2,2A,3,4-TETRAHYDRO-1H-CYCLOPENTA[CD]INDEN-7-YL)-OXY)BENZONITRILE

Publication number: 20220119345

Abstract: Disclosed herein are processes for preparing certain intermediates useful in the synthesis of 3-fluoro-5-(((1S,2aR)-1,3,3,4,4-pentafluoro-2a-hydroxy-2,2a,3,4-tetrahydro-1H-cyclopenta[cd]inden-7-yl)oxy)benzonitrile or a pharmaceutically acceptable salt thereof.

Type: Application

Filed: October 15, 2021

Publication date: April 21, 2022

Inventors: Jiping FU, Yan LOU, Yigang HE, Yuetao SHI, Peng ZHOU, Xingxing LI

PROCESS OF PREPARING 3-FLUORO-5(((1R,2AR)-3,3,4,4-TETRAFLUORO-1,2A-DIHYDROXY-2,2A,3,4-TETRAHYDRO-1H-CYCLOPENTA[CD]INDEN-7-YL)-OXY)BENZONITRILE

Process of preparing 3-fluoro-5(((1R,2aR)-3,3,4,4-tetrafluoro-1,2a-dihydroxy-2,2a,3,4-tetrahydro-1H-cyclopenta[cd]inden-7-yl)-oxy)benzonitrile

PROCESS OF PREPARING 3-FLUORO-5(((1R,2AR)-3,3,4,4-TETRAFLUORO-1,2A-DIHYDROXY-2,2A,3,4-TETRAHYDRO-1H-CYCLOPENTA[CD]INDEN-7-YL)-OXY)BENZONITRILE