C07D 227/087
One doubly-bound oxygen atom in position 2
Official title: One doubly-bound oxygen atom in position 2, e.g. lactams
C07D227/087 (One doubly-bound oxygen atom in position 2) appears on 20 US grants and 13 published applications in this corpus.
Search patents in C07D- Granted patents
- 20
- Published applications
- 13
- Assignees
- 19
- Inventors
- 65
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compounds for the treatment of SARS11 Nov 2025US 12,466,792 B2Purdue Research Foundation
- Compounds for the treatment of SARS11 Nov 2025US 12,466,793 B2Purdue Research Foundation
- Compounds for the treatment of SARS5 Dec 2023US 11,834,408 B2Purdue Research Foundation
- Efficient process for the synthesis of cyclic amides9 Oct 2018US 10,093,622 B2Anthea Aromatics Private Limited
- Method for preparing lactames, comprising a photonitrosation step, followed by a Beckmann transposition step22 Nov 2016US 9,499,481 B2Arkema France
- Compounds for the treatment of sars18 Apr 2024US 2024/0124395 A1Purdue Research Foundation
- Compounds for the treatment of sars11 Apr 2024US 2024/0116865 A1Purdue Research Foundation
- Substituted bicyclic and tricyclic ureas and amides, analogues thereof, and methods using same6 Apr 2023US 2023/0108906 A1Arbutus Biopharma Corporation
- Compounds for the treatment of sars15 Dec 2022US 2022/0396550 A1Purdue Research Foundation
- An efficient process for the synthesis of cyclic amides5 Apr 2018US 2018/0093949 A1Anthea Aromatics Private Limited
Most cited
By later US patents
- Quaternized nitrogen containing polycyclic compounds14US 4,883,655 AGAF Corporation · 1989
- Serotonin antagonists, their preparation and medications containing them8US 5,130,313 ARhone-Poulenc Sante · 1992
- Quaternized nitrogen containing polycyclic compounds7US 5,110,585 AISP Investments Inc. · 1992
- Use of ylides of phosphorus as slightly nuceophilic strong bases7US 6,222,032 B1Centre National de la Recherche Scientifique (CNRS) · 2001
- Quaternized nitrogen containing compounds5US 4,837,013 AGAF Corporation · 1989