B01J 2231/4272
Via enolates or aza-analogues, added as such or made in-situ
Official title: via enolates or aza-analogues, added as such or made in-situ, e.g. ArY + R2C=C(OM)Z -> ArR2C-C(O)Z, in which R is H or alkyl, M is Na, K or SiMe3, Y is the leaving group, Z is Ar or OR' and R' is alkyl
B01J2231/4272 (Via enolates or aza-analogues, added as such or made in-situ) appears on 14 US grants and 18 published applications in this corpus.
Search patents in B01J- Granted patents
- 14
- Published applications
- 18
- Assignees
- 12
- Inventors
- 39
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tri-(adamantyl) phosphines and applications thereof3 Feb 2026US 12,539,508 B2The Trustees of Princeton University
- Tri-(adamantyl)phosphines and applications thereof24 Oct 2023US 11,794,180 B2The Trustees of Princeton University
- Tri-(adamantyl)phosphines and applications thereof21 Feb 2023US 11,583,844 B2The Trustees of Princeton University
- Tri-(adamantyl)phosphines and applications thereof20 Apr 2021US 10,981,157 B2The Trustees of Princeton University
- Methods for enantioselective allylic alkylation of esters, lactones, and lactams with unactivated allylic alcohols18 Aug 2020US 10,745,354 B2California Institute of Technology
- Tri-(adamantyl)phosphines and applications thereof16 Apr 2026US 2026/0102762 A1The Trustees of Princeton University
- Organometallic compounds, and preparation and use thereof12 Jun 2025US 2025/0188107 A1Umicore AG & Co. KG
- Tri-(adamantyl)phosphines and applications thereof4 Jan 2024US 2024/0001353 A1The Trustees of Princeton University
- Tri-(adamantyl)phosphines and applications thereof25 May 2023US 2023/0158480 A1The Trustees of Princeton University
- Ligands for transition metal catalysts30 Mar 2023US 2023/0096500 A1Rutgers, The State University of New Jersey
Most cited
By later US patents
- Bis-quaternary cinchona alkaloid salts as asymmetric phase transfer catalysts17US 9,376,431 B2Merck Sharp & Dohme Corp. · 2016
- Optically active bidentate phosphine ligand palladium complex13US 5,880,301 ANissan Chemical Industries, Ltd. · 1999
- Stable cyclic (alkyl)(amino) carbenes as ligands for transition metal catalysts11US 7,312,331 B2The Regents of the University of California · 2007
- Methods for enantioselective allylic alkylation of esters, lactones, and lactams with unactivated allylic alcohols6US 10,358,422 B2California Institute of Technology · 2019
- Methods for enantioselective allylic alkylation of esters, lactones, and lactams with unactivated allylic alcohols5US 10,745,354 B2California Institute of Technology · 2020