Cyclopropane skeleton monophosphine ligands, palladium complexes thereof, preparation methods and application
US-12312373-B2 · May 27, 2025 · US
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from starting materials having the structure >P-Hal
from starting materials having the structure >P-Hal · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07F9/5068 |
| Official title | {from starting materials having the structure >P-Hal} |
| Display label | from starting materials having the structure >P-Hal |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 5 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cyclopropane skeleton monophosphine ligands, palladium complexes thereof, preparation methods and application
US-2024376136-A1 · Nov 14, 2024 · US
Compound of 3,3,3′,3′-tetramethyl-1,1′-spirobiindane-based phosphine ligand, and preparation method thereof
US-11530230-B2 · Dec 20, 2022 · US
Production method of biarylphosphine
US-11453687-B2 · Sep 27, 2022 · US
Lithium alkyl aluminates as alkyl transfer reagents
US-11384102-B2 · Jul 12, 2022 · US
Production method of biarylphosphine
US-2022169667-A1 · Jun 2, 2022 · US
Lithium alkyl aluminates as alkyl transfer reagents
US-2022041631-A1 · Feb 10, 2022 · US
Compound of 3,3,3',3'-tetramethyl-1,1'-spirobiindane-based phosphine ligand, and preparation method thereof
US-2021163514-A1 · Jun 3, 2021 · US
Method for producing phosphinobenzene borane derivative, method for producing 1,2-bis(dialkylphosphino)benzene derivative, and transition metal complex
US-2021155641-A1 · May 27, 2021 · US
Ligand compound, organic chromium compound, catalyst system for olefin oligomerizatin, and method for oligomerizing olefin using same
US-10947256-B2 · Mar 16, 2021 · US
Ligand Compound, Organic Chromium Compound, Catalyst System For Olefin Oligomerizatin, And Method For Oligomerizing Olefin Using Same
US-2020325165-A1 · Oct 15, 2020 · US
Ligand compound, organic chromium compound, catalyst system for olefin oligomerization, and method for oligomerizing olefin using same
US-10745426-B2 · Aug 18, 2020 · US
Ligand compound, organic chromium compound, catalyst system for olefin oligomerization, and method for oligomerizing olefin using same
US-2019077816-A1 · Mar 14, 2019 · US
Method for producing fluorine-containing substituted compound and fluorine-containing substituted compound
US-9518074-B2 · Dec 13, 2016 · US
Method for Producing Fluorine-Containing Substituted Compound and Fluorine-Containing Substituted Compound
US-2016108067-A1 · Apr 21, 2016 · US
Method for producing fluorine-containing substituted compound and fluorine-containing substituted compound
US-9255114-B2 · Feb 9, 2016 · US