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CAS

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7139-04-0

Ethyl 2,3-diphenyloxirane-2-carboxylate is a chemical compound with the molecular formula C17H15O3. It is a colorless to pale yellow liquid with a density of 1.15 g/cm3 and a melting point of 34-36°C. ethyl 2,3-diphenyloxirane-2-carboxylate is an epoxide derivative, featuring a three-membered oxirane ring with two phenyl groups attached to the carbon atoms adjacent to the oxygen. Ethyl 2,3-diphenyloxirane-2-carboxylate is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of certain pesticides and other specialty chemicals. Its stability and reactivity make it a valuable building block in organic chemistry, allowing for the creation of complex molecules with potential applications in various industries.

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  • 7139-04-0 Structure

  • Basic information

    1. Product Name: ethyl 2,3-diphenyloxirane-2-carboxylate
    2. Synonyms:
    3. CAS NO:7139-04-0
    4. Molecular Formula:
    5. Molecular Weight: 268.312
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 7139-04-0.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: ethyl 2,3-diphenyloxirane-2-carboxylate(CAS DataBase Reference)
    10. NIST Chemistry Reference: ethyl 2,3-diphenyloxirane-2-carboxylate(7139-04-0)
    11. EPA Substance Registry System: ethyl 2,3-diphenyloxirane-2-carboxylate(7139-04-0)

  • 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: 7139-04-0(Hazardous Substances Data)

7139-04-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7139-04-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,3 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7139-04:
(6*7)+(5*1)+(4*3)+(3*9)+(2*0)+(1*4)=90
90 % 10 = 0
So 7139-04-0 is a valid CAS Registry Number.

7139-04-0Relevant articles and documents

Chemoselective P(NMe2)3-Mediated Reductive Epoxidation between Two Different Carbonyl Electrophiles: Synthesis of Highly Functionalized Unsymmetrical Epoxides

Zhou, Rong,Zhang, Honghui,Liu, Jialin,Liu, Rongfang,Gao, Wen-Chao,Qiao, Yan,Li, Ruifeng

, p. 8272 - 8280 (2018)

Herein, we report a chemoselective P(NMe2)3-mediated reductive epoxidation of α-dicarbonyl compounds such as isatins, α-keto esters, and α-diketones with aldehydes and ketones, leading to an efficient synthesis of a wide range of highly functionalized unsymmetrical epoxides in moderate to excellent yields and diastereoselectivities. The Kukhtin-Ramirez adduct, which is exclusively generated in situ from an α-dicarbonyl compound and P(NMe2)3, plays a key role in governing the chemoselectivity. It represents the first practical synthesis of unsymmetrical epoxides via direct reductive epoxidation of two different carbonyl electrophiles and also complements the existing methods of generating epoxides.

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