C07B 53/00
Asymmetric syntheses
C07B53/00 (Asymmetric syntheses) appears on 627 US grants and 635 published applications in this corpus.
Search patents in C07B- Granted patents
- 627
- Published applications
- 635
- Assignees
- 332
- Inventors
- 1,517
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 26 | 0 |
| 1999 | 15 | 0 |
| 2000 | 18 | 0 |
| 2001 | 24 | 9 |
| 2002 | 24 | 34 |
| 2003 | 38 | 38 |
| 2004 | 30 | 35 |
| 2005 | 14 | 22 |
| 2006 | 19 | 17 |
| 2007 | 11 | 26 |
| 2008 | 11 | 18 |
| 2009 | 17 | 51 |
| 2010 | 30 | 58 |
| 2011 | 32 | 43 |
| 2012 | 36 | 28 |
| 2013 | 34 | 34 |
| 2014 | 32 | 41 |
| 2015 | 52 | 24 |
| 2016 | 15 | 23 |
| 2017 | 17 | 18 |
| 2018 | 17 | 23 |
| 2019 | 19 | 11 |
| 2020 | 13 | 17 |
| 2021 | 11 | 17 |
| 2022 | 10 | 15 |
| 2023 | 5 | 10 |
| 2024 | 7 | 7 |
| 2025 | 10 | 12 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chiral synthons for the synthesis of chiral phosphorothioates25 Aug 2026US 12,715,885 B2Boehringer Ingelheim International GmbH
- Chiral bimetallic cooperative catalysis system containing chelating ligand and use thereof in asymmetric synthesis of bedaquiline16 Jun 2026US 12,654,154 B2Shanghai Jiao Tong University
- Asymmetric auxiliary group24 Mar 2026US 12,583,883 B2Wave Life Sciences Ltd.
- Methods and compositions for substituted axially-chiral cannabinol analogs10 Mar 2026US 12,569,503 B2University of Florida Research Foundation, Inc.
- Diphenylamine-linked chiral bis(oxazoline) ligand without C2-symmetry, synthesis method and application thereof10 Feb 2026US 12,545,651 B2Zhejiang University of Technology
- Methods of making 2-amino-1-(3-hydroxy-2,6-dimethylphenyl)-5,6-dimethyl-1h-pyrrolo-[2,3-b]pyridine-3-carboxamide, a myt1 inhibitor8 Oct 2026US 2026/0308152 A1Repare Therapeutics Inc.
- Methods and compositions for substituted axially-chiral cannabinol analogs4 Jun 2026US 2026/0151409 A1
- Method for producing quinoxaline derivative12 Mar 2026US 2026/0070891 A1Kyowa Kirin Co., Ltd.
- Synthesis method and application of benzothiaselenazole-1-oxide compound and derivative thereof15 Jan 2026US 2026/0015332 A1Guangzhou Medical University
- Process for the Preparation of R-Oxybutynin Hydrochloride13 Nov 2025US 2025/0346553 A1Harman Finochem Limited
Most cited
By later US patents
- Stereoselective ring opening reactions72US 5,929,232 APresident and Fellows of Harvard College · 1999
- Stereoselective ring opening reactions66US 5,665,890 APresident and Fellows of Harvard College · 1997
- Chiral ionic liquids51US 6,900,313 B22005
- Asymmetric syntheses48US 5,360,938 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994
- Asymmetric cycloaddition reactions42US 6,130,340 APresident and Fellows of Harvard College · 2000