公开(公告)号：US12221411B2

公开(公告)日：2025-02-11

申请号：US18325214

申请日：2023-05-30

Applicant: CHIROGATE INTERNATIONAL INC.

Inventor： Chun-Yu Lin ,  Tzyh-Mann Wei ,  Shih-Yi Wei

IPC: C07C33/12 ,  C07C49/743 ,  C07C59/62 ,  C07D307/42 ,  C12P7/38 ,  C12P7/62

Abstract: The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

公开(公告)号：US11884640B2

公开(公告)日：2024-01-30

申请号：US17336865

申请日：2021-06-02

Applicant: CHIROGATE INTERNATIONAL INC.

Inventor： Chun-Yu Lin ,  Tzyh-Mann Wei ,  Shih-Yi Wei

IPC: C07D307/93 ,  C07C45/65 ,  C07C49/573 ,  C07C67/24 ,  C07C67/317 ,  C07C69/157 ,  C07C69/734 ,  C07D307/42 ,  C07F7/18 ,  C12P7/38

CPC classification number: C07D307/93 ,  C07C45/65 ,  C07C49/573 ,  C07C67/24 ,  C07C67/317 ,  C07C69/157 ,  C07C69/734 ,  C07D307/42 ,  C07F7/1892 ,  C12P7/38 ,  C07C2601/08 ,  C07C2601/10 ,  C07C2601/16

Abstract: The invention relates to processes for preparing benzoprostacyclin analogues and intermediates prepared from the process, and the benzoprostacyclin analogues prepared therefrom. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

公开(公告)号：US11884613B2

公开(公告)日：2024-01-30

申请号：US17737273

申请日：2022-05-05

Applicant: CHIROGATE INTERNATIONAL INC.

Inventor： Chun-Yu Lin ,  Tzyh-Mann Wei ,  Shih-Yi Wei

IPC: C07C59/62 ,  C07C49/743 ,  C12P7/38 ,  C07C33/12 ,  C07D307/42 ,  C12P7/62

CPC classification number: C07C49/743 ,  C07C33/12 ,  C07C59/62 ,  C07D307/42 ,  C12P7/38 ,  C12P7/62

Abstract: The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.