.ALPHA.-Pentafluoropropionylation of ketones and aldehydes using hexafluoropropene oxide. A facile synthesis of fluorinated 1,3-diketones.
スポンサーリンク
概要
- 論文の詳細を見る
Hexafluoropropene oxide reacts smoothly with morpholine enamines from ketones and aldehydes at 0 °C to room temperature in anhydrous THF to give pentafluorinated 1,3-diketones in good yields. The keto-enol equilibrium in the products is generally in favor of their enol form.
- 公益社団法人 日本化学会の論文
著者
-
Seki Toshio
Department Of Cardiovascular Surgery Nara Prefectural Mimuro Hospital
-
Ando Teiichi
Department Of Mechanical Industrial And Manufacturing Engineering Northeastern University
-
Ishihara Takashi
Department Of Applied Physics Nagoya University
-
Seki Toshio
Department of Industrial Chemistry, Faculty of Engineering, Kyoto University
関連論文
- A Processing Technique for Cell Surfaces Using Gas Cluster Ions for Imaging Mass Spectrometry
- PJ-544 The Effect of Adiponectin on the Acute and Chronic Rejection of Mice Carediac Transplantation Model(PJ092,Transplantation/LVAD/Cardiovascular Surgery/CABG (M/IHD),Poster Session (Japanese),The 73rd Annual Scientific Meeting of The Japanese Circulat
- Statistics of Energy Transfer in High-Resolution Direct Numerical Simulation of Turbulence in a Periodic Box(Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics and Fluid Mechanics)
- Energy Spectrum in the Near Dissipation Range of High Resolution Direct Numerical Simulation of Turbulence(Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics and Fluid Mechanics)
- Spectra of Energy Dissipation, Enstrophy and Pressure by High-Resolution Direct Numerical Simulations of Turbulence in a Periodic Box (Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics and Fluid Mechanics)
- Energy-Band Bends at GaAs Surfaces in Vacuum-Evaporated-SiO_/N-Type (100) GaAs Systems Detected by UPS Measurements
- Sutureless Patch Repair for Small Blowout Rupture of the Left Ventricle after Myocardial Infarction
- Results of Internal Mammary Artery-Coronary Artery Bypass Surgery and the Characteristics of Internal Mammary Artery Grafts : 50th Annual Scientific Session of the Japanese Circulation Society
- Evaluation of a 1 step TRAb Assay for the Detection of High-affinity Components to hTSHR : Evidences Indicating Superiority of the Assay in the Lower TRAb Range
- Differences in TSH Receptor Binding and Thyroid-stimulating Properties between TSH and Graves' IgG. Slowly-acting TSH Receptor Antibody Moieties in Graves' Sera Affect Assay Data
- A Case of TSH Receptor Antibody-Positive Hyperthyroidism with Functioning Metastases of Thyroid Carcinoma
- Oxygen Therapy Prevents Ventricular Arrhythmias in Patients With Congestive Heart Failure and Sleep Apnea
- Effects of Wavenumber Truncation on High-Resolution Direct Numerical Simulation of Turbulence
- Synthesis of Regioselectively Protected Forms of Cytidine Based on Enzyme-catalyzed Deacetylation as the Key Step
- A New Access to 3-Halo-3,3-difluoropropanoic Acid Derivatives via Fluorine-Halogen Exchange Reaction of Silyl Enolates of 3,3,3-Trifluoropropanoic Acid Derivatives
- Immeasurably Low and Non-TRH-stimulatable TSH Associated with Normal I-123 Uptake in Two Goitrous Euthyroid Patients : Possible Existence of Other Thyroid-hormone Regulated Thyroid Stimulators other than TSH
- Thyroxine (T_4) Metabolism in an Athyreotic Patient Who Had Taken a Large Amount of T_4 at One Time
- Long-Term Clinical Course of Two Cases of Lymphocytic Adenohypophysitis
- Immunoglobulin G Can Cross-React With Glucagon Antisera and Cause a Spuriously High Plasma Immunoreactive Glucagon Level
- Taylor Expansions and Pade Approximations of Lagrangian and Eulerian Two-Time Velocity Correlaitons in Turbulence
- Examination of Kolmogorov's 4/5 Law by High-Resolution Direct Numerical Simulation Data of Turbulence(Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid mechanics)
- 513 Modeling and Characterization of the Solidification of Mono-Size Copper Droplets
- Zinc-Diethylaluminium Chloride Induced Coupling Reaction of Dibromofluoroacetate with Carbonyl Compounds. New Efficient and Selective Synthesis of α-Bromo-α-fluoro-β-hydroxy and α-Fluoro-β,β'-dihydroxy Esters
- Zinc-mediated Coupling Reaction of 2-Bromo-2, 3, 3, 3-tetrafluoropropanoate with Various Chiral Imines. Simple and Effective Access to Optically Active α-Fluoro-α-(trifluoromethyl)-β-amino Esters
- A Facile Synthesis of Various Fluorine-Containing Indole Derivatives via Palladium-Catalyzed Annulation of Internal Alkynes
- Highly Stereoselective Aldol-type Reaction of 2-Bromo-2, 3, 3, 3-tetrafluoropropanamide with Aldehydes Leading to erythro-α-Fluoro-α-(trifluoromethyl)-β-hydroxy Amides
- Highly Stereoselective Radical Reduction of α-Bromo-α-fluoro-β-hydroxy Esters with Tributyltin Hydride Leading to threo-α-Fluoro-β-hydroxy Esters
- Palladium-Catalyzed Coupling Reaction of Fluoroalkylated Propargyl Mesylates with Organozinc Reagents: Novel Synthesis of Optically Active Fluorine-Containing Trisubstituted Allenes
- New Synthetic Protocol with Trifluoro-1-propynylamines. An Efficient Access to α-(Trifluoromethyl)-δ-keto Amides via Hetero Diels-Alder Reaction
- Anisotropic Etching Using Reactive Cluster Beams
- New Efficient Method for the Stereoselective Synthesis of α-(Trifluoromethyl)-α,β-unsaturated Amides. Lewis Acid-Catalyzed Reaction of 3,3,3-Trifluoro-1-propynylamine with Carbonyl Compounds
- A New Practical and Convenient Access to the Synthesis of N,N-Dialkyl-3,3,3-trifluoropropanamides
- Efficient and Convenient Route to (Z)-α, β-Unsaturated Difluoromethyl Ketones Based on the Reactio of 2, 3, 3-Trifluoro-1-tosyloxy-1-propenyllithium with Carbonyl Conpouneds
- Reactions of 1-Substituted-polyfluoro-1-propenyl p-Toluenesulfonates with Bifunctional Nitrogen Nucleophiles. A New Expedient Access to Monofluorinated Nitrogen Heterocycles^1
- Fluoride Ion-Promoted Reaction of Polyfluoro-1-propenyl p-Toluenesulfonate with Amines. Highly Efficient and General Access to (Z)-α-Fluoro-β-amino Acrylaldehydes
- Effect of Adiponectin on Cardiac Allograft Vasculopathy
- Off-pump Redo Coronary Artery Bypass Grafting from Descending Aorta to the Posterolateral Area through a Left Thoracotomy in Patients with a Patent Internal Thoracic Artery Graft
- Early Results of Aortic Connector System for Proximal Anastmoses of the Saphenous Vein Graft
- Efficient and General Synthesis of Novel β-Polyfluoroalkoxy Vinamidinium Salts
- Improved Prognosis of Takayasu Arteritis Over the Past Decade : Comprehensive Analysis of 106 Patients
- Diagnosis and Assessment of Takayasu Arteritis by Multiple Biomarkers
- Time Micro Scales of Lagrangian Strain Tensor in Turbulence
- Spontaneous Singularity Formation in the Shape of Vortex Sheet in Three-Dimensional Flow
- Blockade of the 4-1BB Pathway Attenuates Graft Arterial Disease in Cardiac Allografts
- Stretching and Distortion of Material Line Elements in Two-Dimensional Turbulence
- .ALPHA.-Pentafluoropropionylation of ketones and aldehydes using hexafluoropropene oxide. A facile synthesis of fluorinated 1,3-diketones.
- Stereochemical behavior of 1-methoxycyclopropyl radical in Hunsdiecker reaction.
- Diagnosis and Assessment of Takayasu Arteritis by Multiple Biomarkers