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201221-73-0

fluoro-(triphenyl-λ5-phosphanylidene)-acetic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 201221-73-0 Structure

  • Basic information

    1. Product Name: fluoro-(triphenyl-λ5-phosphanylidene)-acetic acid tert-butyl ester
    2. Synonyms:
    3. CAS NO:201221-73-0
    4. Molecular Formula:
    5. Molecular Weight: 394.426
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 201221-73-0.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: fluoro-(triphenyl-λ5-phosphanylidene)-acetic acid tert-butyl ester(CAS DataBase Reference)
    10. NIST Chemistry Reference: fluoro-(triphenyl-λ5-phosphanylidene)-acetic acid tert-butyl ester(201221-73-0)
    11. EPA Substance Registry System: fluoro-(triphenyl-λ5-phosphanylidene)-acetic acid tert-butyl ester(201221-73-0)

  • 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: 201221-73-0(Hazardous Substances Data)

201221-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201221-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,2,2 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 201221-73:
(8*2)+(7*0)+(6*1)+(5*2)+(4*2)+(3*1)+(2*7)+(1*3)=60
60 % 10 = 0
So 201221-73-0 is a valid CAS Registry Number.

201221-73-0Downstream Products

201221-73-0Relevant articles and documents

A facile one-pot synthesis of α-fluoro-α,β-unsaturated esters from alkoxycarbonylmethyltriphenylphosphonium bromides

Suzuki, Yumiko,Sato, Masayuki

, p. 1679 - 1681 (2004)

A convenient one-pot synthesis of α-fluoro-α, β-unsaturated esters from ethoxy- and tert- butoxycarbonylmethyltriphenylphosphonium bromide was developed. The fluorinated phosphoranes, generated in situ from alkoxycarbonylmethyltriphenylphosphonium bromides and 1-chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) (Selectfluor), undergo a Wittig reaction with aldehydes to yield α-fluoro-α,β-unsaturated esters with (Z)-selectivity.

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