C07D 463/06
From compounds already containing the ring or condensed ring systems
Official title: from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
C07D463/06 (From compounds already containing the ring or condensed ring systems) appears on 23 US grants and 1 published applications in this corpus.
Search patents in C07D- Granted patents
- 23
- Published applications
- 1
- Assignees
- 10
- Inventors
- 42
- Latest grant
- 9 Sep 1997
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Carbacephalosporin compound, their preparation and use9 Sep 1997US 5,665,717 APfizer Inc.
- Method for removing the protecting group for carboxyl group24 Dec 1996US 5,587,474 ATanabe Seiyaku Co., Ltd.
- Ester cleavage process for use with .beta.-lactams12 Apr 1994US 5,302,711 AEli Lilly and Company
- Method for removing the protecting group for hydroxy group9 Nov 1993US 5,260,438 ATanabe Seiyaku Co., Ltd.
- 1-Carba(dethia)cephalosporin antibiotics12 Jan 1993US 5,179,088 AEli Lilly and Company
Most cited
By later US patents
- 6-(Substituted-hydroxymethylene penams)12US 4,272,439 ASchering Corporation · 1981
- Method for removing the protecting group for carboxyl group10US 5,587,474 ATanabe Seiyaku Co., Ltd. · 1996
- Process for epimerizing beta-lactam antibiotic compounds by means of an acid quench6US 4,051,132 AMerck & Co., Inc. · 1977
- Process for producing optically active cephalosporin analogs6US 4,335,211 AKyowa Hakko Kogyo Co., Ltd. · 1982
- Process for production of ceophalosporins6US 4,855,418 AEli Lilly and Company · 1989