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- Jan 25,2024
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| 1-Fluoropyridinium tetrafluoroborate Basic information |
| 1-Fluoropyridinium tetrafluoroborate Chemical Properties |
Hazard Codes | C | Risk Statements | 34 | Safety Statements | 26-36/37/39-45 | RIDADR | UN 3261 8/PG 2 | WGK Germany | 3 | F | 9-21 | Hazard Note | Moisture sensitive/Corrosive | HazardClass | 8 | PackingGroup | III | HS Code | 29333990 |
| 1-Fluoropyridinium tetrafluoroborate Usage And Synthesis |
Chemical Properties | off-white powder | Uses | 1-Fluoropyridine tetrafluoroborate is a pyridine organic compound, which can be used as an intermediate in pharmaceutical synthesis. | General Description | 1-Fluoropyridinium tetrafluoroborate (N-Fluoropyridinium tetrafluoroborate), an N-fluorinated compound, is an electrophilic fluorinating reagent (containing N and F double bond). Controlled potential electrolysis of 1-fluoropyridinium tetrafluoroborate has been reported to afford pyridine, 2-fluoropyridine and 2-acetamidopyridine. | Research | The products from the controlled potential electrolysis of 1-fluoropyridinium tetrafluoroborate were determined to be pyridine, 2-fluoropyridine, and 2-acetamidopyridine in yields. Loss of fluoride ion from the neutral radical in equilibrium with the dimer is believed to be the initial step in a multi-step mechanism, which results in the products observed from the controlled potential coulometry of 1-fluoropyridinium tetrafluoroborate. Catalytic fluorination/chlorination competition experiments of β-keto ester 5 were used to assess the relative fluorinating activity of various electrophilic NF reagents (containing an NF bond). SelectfluorTM ( F-TEDA; TEDA=triethylenediamine) reacts more than 100 times faster than 1-fluoropyridinium tetrafluoroborate[1-2]. | References |
[1] Edward W Oliver, Dennis H Evans. “Electrochemical studies of six NF electrophilic fluorinating reagents.” Journal of Electroanalytical Chemistry 474 1 (1999): Pages 1-8. [2] P. Toullec. “Relative Electrophilic Fluorinating Power as Assayed by Competitive Catalytic Halogenation Reactions.” ChemInform 56 1 (2005).
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| 1-Fluoropyridinium tetrafluoroborate Preparation Products And Raw materials |
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