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CAS

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84499-16-1

3-bromo-1-(p-cyanophenoxy)pyridinium tetrafluoroborate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 84499-16-1 Structure

  • Basic information

    1. Product Name: 3-bromo-1-(p-cyanophenoxy)pyridinium tetrafluoroborate
    2. Synonyms: 3-bromo-1-(p-cyanophenoxy)pyridinium tetrafluoroborate
    3. CAS NO:84499-16-1
    4. Molecular Formula:
    5. Molecular Weight: 362.917
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 84499-16-1.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 3-bromo-1-(p-cyanophenoxy)pyridinium tetrafluoroborate(CAS DataBase Reference)
    10. NIST Chemistry Reference: 3-bromo-1-(p-cyanophenoxy)pyridinium tetrafluoroborate(84499-16-1)
    11. EPA Substance Registry System: 3-bromo-1-(p-cyanophenoxy)pyridinium tetrafluoroborate(84499-16-1)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 84499-16-1(Hazardous Substances Data)

84499-16-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84499-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,9 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 84499-16:
(7*8)+(6*4)+(5*4)+(4*9)+(3*9)+(2*1)+(1*6)=171
171 % 10 = 1
So 84499-16-1 is a valid CAS Registry Number.

84499-16-1Relevant articles and documents

Base-Catalyzed Rearrangement of N-(Aryloxy)pyridinium Salts. Effect of a 3-Substituent in the Pyridine Ring upon Orientation. Synthesis of Novel Tricyclic Rings

Abramovitch, Rudolph A.,Inbasekaran, Muthiah N.,Kato, Shozo,Radzikowska, Teresa A.,Tomasik, Piotr

, p. 690 - 695 (2007/10/02)

The orientation in the base-catalyzed rearrangement of 3-substituted N-(aryloxy)pyridinium tetrafluoroborates (5) to 2- or 6-(2-hydroxyaryl)pyridines has been studied.A 3-methyl group directs exclusively to the 6-position while inductively electron-withdrawing substituents (Cl, Br, I, OMe, CO2Me, COMe) direct mainly, if not exclusively, to C-2.The phenols derived from 3-CO2Me derivates cyclize spontaneously to the substituted pyridocoumarins (8) in useful yields, and that from the 3-COMe compound gives 10-hydroxy-10-methyl-6-nitropyridobenzopyran (9).The 3-halo-2-(2-hydroxyaryl)pyridines cyclize to benzofuropyridines(10,15) on heating with potassium hydroxide and copper powder.Authentic benzofuropyridine (12) is obtained by the Pschorr ring closure of the diazonium salt of 3-(o-aminophenoxy)pyridine (14).The substituent effects are explained mainly on the basis of the inductive effect of the substituent: steric effects play a slight role.A minor side reaction is thought to involve the intermediacy of free radicals.

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