Invention Grant
![Furo[2,3-b]pyran-2-one compounds and process for preparation thereof](/docs/US/2021-03-09/US10941155B2/abs.jpg.600x600.jpg)
- Patent Title: Furo[2,3-b]pyran-2-one compounds and process for preparation thereof
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Application No.: US16618720Application Date: 2018-05-30
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Publication No.: US10941155B2Publication Date: 2021-03-09
- Inventor: Ravindar Kontham , Sagar Sudam Thorat
- Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
- Applicant Address: IN New Delhi
- Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
- Current Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
- Current Assignee Address: IN New Delhi
- Agency: Blank Rome LLP
- Priority: IN201711018894 20170530
- International Application: PCT/IN2018/050345 WO 20180530
- International Announcement: WO2018/220647 WO 20181206
- Main IPC: C07D493/04
- IPC: C07D493/04
![Furo[2,3-b]pyran-2-one compounds and process for preparation thereof](/abs-image/US/2021/03/09/US10941155B2/abs.jpg.150x150.jpg)
Abstract:
The present invention discloses a novel furo[2,3-b]pyran-2-one compound of formula (I) and a single step process for the preparation of furo[2,3-b]pyran-2-ones using Lewis acid-promoted cascade annulation of alkynols and α-ketoesters.
Public/Granted literature
- US20200165263A1 FURO[2,3-b]PYRAN-2-ONE COMPOUNDS AND PROCESS FOR PREPARATION THEREOF Public/Granted day:2020-05-28
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