Enantioselective process
US-12509417-B2 · Dec 30, 2025 · US
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by reactions not involving the formation of oxyimino groups
by reactions not involving the formation of oxyimino groups · 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 | C07C249/12 |
| Official title | by reactions not involving the formation of oxyimino groups |
| Display label | by reactions not involving the formation of oxyimino groups |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for making Siponimod and intermediate thereof
US-12410126-B2 · Sep 9, 2025 · US
Process for synthesis of 2-amino-5-chloro-N-,3-dimethylbenzamide
US-12304893-B2 · May 20, 2025 · US
Methods for preparing dihydroxyammonium 5,5′-bistetrazole-1,1′diolate
US-12258322-B2 · Mar 25, 2025 · US
Methods for preparing dihydroxyammonium 5,5'-bistetrazole-1,1'diolate
US-2024425466-A1 · Dec 26, 2024 · US
Method for chlorinating benzaldehyde oximes
US-2024132443-A1 · Apr 25, 2024 · US
Efficient new process for synthesis of 2-amino-5-chloro-n-,3-dimethylbenzamide
US-2023096826-A1 · Mar 30, 2023 · US
Efficient new process for synthesis of 2-amino-5-chloro-N,3-dimethylbenzamide
US-11542241-B2 · Jan 3, 2023 · US
Efficient new process for synthesis of 2-amino-5-chloro-n-,3-dimethylbenzamide
US-2022242837-A1 · Aug 4, 2022 · US
3,3,3',3'-tetramethyl-1,1'-spirobiindane-based monophosphine ligand, intermediates thereof, preparation method and use of the same
US-11377457-B2 · Jul 5, 2022 · US
Process for making siponimod and intermediate thereof
US-2022204446-A1 · Jun 30, 2022 · US
Enantioselective process
US-2022106263-A1 · Apr 7, 2022 · US
3,3,3',3'-tetramethyl-1,1'-spirobiindane-based monophosphine ligand, intermedates tehreof, preparation method and use of the same
US-2021070789-A1 · Mar 11, 2021 · US
Directed β-C(sp3)#H iodination and arylation of ketones
US-10875822-B2 · Dec 29, 2020 · US
Directed Beta-C(sp3)–H Iodination and Arylation of Ketones
US-2020255363-A1 · Aug 13, 2020 · US
Aromatic compounds from furanics
US-10562875-B2 · Feb 18, 2020 · US
Photosensitive composition and compound
US-10539872-B2 · Jan 21, 2020 · US
Aromatic compounds from furanics
US-2019023678-A1 · Jan 24, 2019 · US
Stereoselective process to obtain (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides using E,Z-isomer mixture of and intermediates thereof
US-10112891-B2 · Oct 30, 2018 · US
Stereoselective process to obtain (z)-5-cyclyloxy-2-[(e)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides using e,z-isomer mixture of and intermediates thereof
US-2017298012-A1 · Oct 19, 2017 · US