C07J 75/005
Preparation of steroids by cyclization of non-steroid compounds
Official title: {Preparation of steroids by cyclization of non-steroid compounds}
C07J75/005 (Preparation of steroids by cyclization of non-steroid compounds) appears on 38 US grants and 42 published applications in this corpus.
Search patents in C07J- Granted patents
- 38
- Published applications
- 42
- Assignees
- 29
- Inventors
- 81
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 5 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 3 | 4 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 4 |
| 2024 | 2 | 8 |
| 2025 | 4 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Non-cryogenic, ammonia-free reduction of aryl compounds23 Sep 2025US 12,421,178 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Compositions and methods for treating CNS disorders23 Sep 2025US 12,421,275 B2Sage Therapeutics, Inc.
- Asymmetric synthesis and uses of compounds in disease treatments2 Sep 2025US 12,403,115 B2Zhejiang Jiachi Development Pharmaceuticals Ltd
- Steroids and methods of manufacture19 Aug 2025US 12,391,723 B2Trustees of Dartmouth College
- Methods for assembly of tetracyclic compounds by stereoselective C9-C10 bond formation20 Aug 2024US 12,065,465 B2Trustees of Dartmouth College
- Compositions and methods for treating cns disorders19 Mar 2026US 2026/0078143 A1Sage Therapeutics, Inc.
- Asymmetric synthesis and uses of compounds in disease treatments13 Nov 2025US 2025/0345304 A1Zhejiang Jiachi Development Pharmaceuticals Ltd
- Small molecule activators of the immune system5 Dec 2024US 2024/0400606 A1The Board of Trustees of the University of Illinois
- Methods for assembly of tetracyclic compounds by stereoselective c9-c10 bond formation5 Dec 2024US 2024/0400607 A1
- Liver x receptor modulators24 Oct 2024US 2024/0352059 A1
Most cited
By later US patents
- Steroid analogues for neuroprotection9US 9,527,881 B2Emory University · 2016
- Androstane steroids as neurochemical initiators of change in human hypothalamic function and related pharmaceutical compositions and methods6US 5,883,087 APherin Corporation · 1999
- Method for producing (+)-estrone derivatives5US 5,300,664 AChisso Corporation · 1994
- Estrene steroids as neurochemical initiators of change in human hypothalamic function and related pharmaceutical compositions5US 6,140,316 APherin Corporation · 2000
- Androstane steroids as neurochemical initators of change in human hypothalamic compositions and methods4US 5,965,552 APherin Pharmaceuticals, Inc. · 1999