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  • Chemical Name 3,4-DIHYDRO-2,2-DIMETHYL-4-OXO-2H-PYRAN-6-CARBOXYLIC ACID
  • CAS No. 80866-93-9
  • Contact Us Inquiry

Cosmetics Grade 3,4-DIHYDRO-2,2-DIMETHYL-4-OXO-2H-PYRAN-6-CARBOXYLIC ACID 80866-93-9 For Sale with Good Price

  • Molecular Formula: C8H10 O4
  • Molecular Weight: 170.165
  • Vapor Pressure: 0.004mmHg at 25°C 
  • Melting Point: 170 °C (dec.)(lit.)
     
  • Refractive Index: 1.4425 (estimate) 
  • Boiling Point: 259ºC at 760 mmHg 
  • Flash Point: 102.4ºC 
  • PSA： 63.60000 
  • Density: 1.1456 (rough estimate) 
  • LogP: 0.72290 

3,4-DIHYDRO-2,2-DIMETHYL-4-OXO-2H-PYRAN-6-CARBOXYLIC ACID(Cas 80866-93-9) Usage

General Description

Butyl ester of 3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid is commonly used as mosquito repellent.

InChI:InChI=1/C8H10O4/c1-8(2)4-5(9)3-6(12-8)7(10)11/h3H,4H2,1-2H3,(H,10,11)/p-1

80866-93-9 Relevant articles

Metal-Free Visible Light-Mediated Photocatalysis: Controlling Intramolecular [2 + 2] Photocycloaddition of Enones through Axial Chirality

Clay, Anthony,Vallavoju, Nandini,Krishnan, Retheesh,Ugrinov, Angel,Sivaguru, Jayaraman

, p. 7191 - 7200 (2016/08/30)

Atropisomeric enone-imides and enone-ami...

Synthesis and pharmacologic evaluation of some dihydropyran carboxylic acids

Coudert,Couquelet,Fialip,Sannajust,Bastide,Eschalier

, p. 145 - 158 (2007/10/02)

The synthesis of three new dihydropyran ...

80866-93-9 Process route

ethyl 2,2-dimethyl-4-oxo-3,4-dihydro-2H-pyran-6-carboxylate
5464-36-8

ethyl 2,2-dimethyl-4-oxo-3,4-dihydro-2H-pyran-6-carboxylate

3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid
80866-93-9

3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid

Conditions
Conditions Yield
With hydrogenchloride; In tetrahydrofuran; water; Inert atmosphere;
80%
hydroxy-2 oxo-4 methyl-6 heptadiene-2,5 oate de methyle
108097-78-5

hydroxy-2 oxo-4 methyl-6 heptadiene-2,5 oate de methyle

3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid
80866-93-9

3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid

Conditions
Conditions Yield
With hydrogenchloride; In acetic acid; for 1h; Heating;
53%
With hydrogenchloride;

80866-93-9 Upstream products

  • 108097-78-5
    108097-78-5

    hydroxy-2 oxo-4 methyl-6 heptadiene-2,5 oate de methyle

  • 7647-01-0
    7647-01-0

    hydrogenchloride

  • 141-79-7
    141-79-7

    4-methyl-pent-3-en-2-one

  • 5464-36-8
    5464-36-8

    ethyl 2,2-dimethyl-4-oxo-3,4-dihydro-2H-pyran-6-carboxylate

80866-93-9 Downstream products

  • 141921-96-2
    141921-96-2

    2,2-Dimethyl-6-(2-phenyl-oxazolidine-3-carbonyl)-2,3-dihydro-pyran-4-one

  • 141921-83-7
    141921-83-7

    6,6-Dimethyl-4-oxo-5,6-dihydro-4H-pyran-2-carboxylic acid benzyl-isopropyl-amide

  • 141921-82-6
    141921-82-6

    6,6-Dimethyl-4-oxo-5,6-dihydro-4H-pyran-2-carboxylic acid benzyl-methyl-amide

  • 141921-81-5
    141921-81-5

    6,6-Dimethyl-4-oxo-5,6-dihydro-4H-pyran-2-carboxylic acid dibenzylamide

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