866633-25-2Relevant academic research and scientific papers
Perfluoro alkoxylation reagent and preparation method and application thereof
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Paragraph 0166-0171; 0225; 0226; 0227, (2018/09/28)
The invention provides a perfluoro alkoxylation reagent and a preparation method and application thereof. Specifically, the provided perfluoro alkoxylation reagent shown as a formula A can be used fornormal perfluoro alkoxylation reactions in the field, especially trifluoromethylation. Raw materials related to the perfluoro alkoxylation reagent are low in price and easy to obtain, the reaction condition is mild, the operation is simple, the cost is low, and the reagent is easy to popularize and suitable for large-scale production. The formula A is as shown in the description.
Trifluoromethyl Benzoate: A Versatile Trifluoromethoxylation Reagent
Zhou, Min,Ni, Chuanfa,Zeng, Yuwen,Hu, Jinbo
supporting information, p. 6801 - 6805 (2018/05/31)
Trifluoromethyl benzoate (TFBz) is developed as a new shelf-stable trifluoromethoxylation reagent, which can be easily prepared from inexpensive starting materials using KF as the only fluorine source. The synthetic potency of TFBz is demonstrated by trifluoromethoxylation-halogenation of arynes, nucleophilic substitution of alkyl (pseudo)halides, cross-coupling with aryl stannanes, and asymmetric difunctionalization of alkenes. The unprecedented trifluoromethoxylation-halogenation of arynes proceeds smoothly at room temperature with the aid of a crown ether-complexed potassium cation, which significantly stabilizes the trifluoromethoxide anion derived from TFBz.
O-Trifluoromethylation of Phenols: Access to Aryl Trifluoromethyl Ethers by O-Carboxydifluoromethylation and Decarboxylative Fluorination
Zhou, Min,Ni, Chuanfa,He, Zhengbiao,Hu, Jinbo
supporting information, p. 3754 - 3757 (2016/08/16)
A new strategy for the synthesis of aryl trifluoromethyl ethers (ArOCF3) by combining O-carboxydifluoromethylation of phenols and subsequent decarboxylative fluorination is reported. This protocol allows easy construction of functionalized trifluoromethoxybenzenes and trifluoromethylthiolated arenes (ArSCF3) in moderate to good yields. Moreover, it utilizes accessible and inexpensive reagents sodium bromodifluoroacetate and SelectFluor II and, thus, is practical for O-trifluoromethylation of phenols. The potential application of this method is demonstrated with the preparation of a plant-growth regulator, Flurprimidol.
N- [6-AMINO-S- (PHENYL) PYRAZIN-2-YL] -ISOXAZOLE-4-CARBOXAMIDE DERIVATIVES AND RELATED COMPOUNDS AS NAV1.8 CHANNEL MODULATORS FOR THE TREATMENT OF PAIN
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, (2009/01/20)
The present invention relates to compounds of the formula (I) and pharmaceutically acceptable salts and solvates thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds and the uses of such compounds for the treatment of pain.
PYRIDINE DERIVATIVES
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, (2009/01/20)
The present invention relates to compounds of the formula (I): (I) and pharmaceutically acceptable salts and solvates thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds and the uses of such compounds for the treatment of pain.
BIARYL SUBSTITUTED PYRAZINONES AS SODIUM CHANNEL BLOCKERS
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Page/Page column 50-51, (2010/02/14)
Biaryl substituted pyrazinone compounds represented by Formula I, or pharmaceutically acceptable salts thereof. Pharmaceutical compositions comprise an effective amount of the instant compounds, either alone, or in combination with one or more other thera
