C07D 209/20
Substituted additionally by nitrogen atoms
Official title: substituted additionally by nitrogen atoms, e.g. tryptophane
C07D209/20 (Substituted additionally by nitrogen atoms) appears on 649 US grants and 515 published applications in this corpus.
Search patents in C07D- Granted patents
- 649
- Published applications
- 515
- Assignees
- 409
- Inventors
- 1,986
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 4 | 0 |
| 1978 | 13 | 0 |
| 1979 | 22 | 0 |
| 1980 | 15 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 12 | 0 |
| 1984 | 13 | 0 |
| 1985 | 5 | 0 |
| 1986 | 13 | 0 |
| 1987 | 10 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 23 | 0 |
| 1998 | 18 | 0 |
| 1999 | 18 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 3 |
| 2002 | 16 | 13 |
| 2003 | 11 | 20 |
| 2004 | 11 | 19 |
| 2005 | 7 | 18 |
| 2006 | 11 | 20 |
| 2007 | 12 | 15 |
| 2008 | 5 | 13 |
| 2009 | 13 | 19 |
| 2010 | 9 | 20 |
| 2011 | 13 | 9 |
| 2012 | 13 | 17 |
| 2013 | 15 | 34 |
| 2014 | 22 | 29 |
| 2015 | 18 | 23 |
| 2016 | 19 | 25 |
| 2017 | 22 | 20 |
| 2018 | 9 | 20 |
| 2019 | 12 | 28 |
| 2020 | 23 | 20 |
| 2021 | 16 | 9 |
| 2022 | 14 | 35 |
| 2023 | 14 | 28 |
| 2024 | 14 | 24 |
| 2025 | 10 | 11 |
| 2026 | 14 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alpha-carbonyl alkenyl ester preparation method therefor and application thereof15 Sep 2026US 12,735,449 B2Jiangxi Normal University
- Compounds for the treatment of human immunodeficiency virus8 Sep 2026US 12,729,194 B2Dana-Farber Cancer Institute, Inc.
- Crystalline forms of solvates of tryptophan derivatives, compositions comprising them and uses thereof11 Aug 2026US 12,703,685 B2Galimedix Therapeutics, Inc.
- Compound and method for preventing or treating of respiratory diseases comprising the same as an active ingredient28 Jul 2026US 12,691,101 B2Yonsei University, University—Industry Foundation (Uif)
- Methods for preparing L-6-hydroxytryptophan (HTP) derivative and intermediates thereof16 Jun 2026US 12,655,103 B2Inner Mongolia University
- Amino acid-derived ceramide, synthesis method therefor and use thereof1 Oct 2026US 2026/0297018 A1Shenzhen Dikeman Biotechnology Co., Ltd.
- Usp30 inhibitors and uses thereof1 Oct 2026US 2026/0297026 A1Vincere Biosciences, Inc.
- Trpv1 agonist and uses thereof17 Sep 2026US 2026/0274802 A1SciTherm Therapeutics Corporation
- Synthesis of n,n-dimethyltryptamine-type compounds, methods, and uses10 Sep 2026US 2026/0265193 A1Cybin UK Ltd
- Amino acid-based cationic lipid3 Sep 2026US 2026/0257986 A1Xiamen Sinopeg Biotech Co., Ltd.
Most cited
By later US patents
- Method for deuteration of a heterocyclic ring304US 7,517,990 B2Wako Pure Chemical Industries, Ltd. · 2009
- Modulators of ATP-binding cassette transporters157US 7,495,103 B2Vertex Pharmaceuticals Incorporated · 2009
- Compounds and method for alleviating angiotensin related hypertension120US 4,053,651 AE. R. Squibb & Sons, Inc. · 1977
- Benzodiazepine analogs114US 4,820,834 AMerck & Co., Inc. · 1989
- Certain N-substituted butyramide derivatives109US 5,021,430 ACiba-Geigy Corporation · 1991