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CS-W001157 4
Total: USD 88.00

4,6-Dimethyl-2H-pyran-2-one

  • CAS No. 675-09-2

  • Cat. No. CS-0558585
  • Purity≥98%
  • MDL No.None

*For research and further manufacturing use only, not for direct human use.

4,6-Dimethyl-2H-pyran-2-one|CS-0558585

Structure of 675-09-2

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General Information

  • CAS No. 675-09-2
  • Cat. No. CS-0558585
  • Purity ≥98%
  • MDL No. None
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₇H₈O₂
  • Molecular Weight 124.14
  • Synonym(s) Sorbic acid, 5-hydroxy-3-methyl-, delta-lactone
  • SMILES CC1=CC(=O)OC(=C1)C

Description

4,6-Dimethyl--pyrone was immobilized in a guanidinium-sulfonate-calixarene (G4C) crystalline network, which upon exposure to ultraviolet irradiation, transforms the entrapped 4,6-dimethyl--pyrone into a 4,6-dimethyl--lactone. Thin solid films layers of 4,6-dimethyl--pyrone on UV irradiation at -190C were investigated.4,6-Dimethyl--pyrone (Me21) has been used in the preparation of G4C{Me21} via reacting with tetra-p-sulfocalix[4]arene (C) and guanidine hydrochloride (GCl). It may be used in the preparation of host-guest complex G4C{Me21} by reacting with crystalline guanidinium-sulfonate-calixarene (G4C). This complex on UV irradiation afforded 1,3-dimethylcyclobutadiene (Me2CBD).

Synthesis

  • Route1
    • (Z)-3-iodobut-2-enoic acid|CS-0663243
      34450-60-7
    • null|null
      53915-69-8
    • ~84%
    • 4,6-Dimethyl-2H-pyran-2-one|CS-0558585
      675-09-2

    References

    • Rousset; Abarbri; Thibonnet; Duchene; Parrain Chemical Communications, 2000 , # 20 p. 1987 - 1988
  • Route2
    • null|null
      676-58-4
    • null|null
      488788-59-6
    • ~79%
    • null|null
      83612-61-7
    • 4,6-Dimethyl-2H-pyran-2-one|CS-0558585
      675-09-2

    References

    • Angewandte Chemie - International Edition, , vol. 52, # 49 p. 13071 - 13075 Angew. Chem., , vol. 125, # 49 p. 13309 - 13313,5
  • Route3
    • null|null
      463-49-0
    • ~5%
    • 4,6-Dimethyl-2H-pyran-2-one|CS-0558585
      675-09-2
    • null|null
      76003-40-2
    • null|null
      76003-38-8
    • null|null
      16714-60-6

    References

    • Tetrahedron Letters, , vol. 21, p. 3021 - 3024

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H312-H332
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P501

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Computational Chemistry Data

  • TPSA   30.21
  • LogP   1.25664
  • H_Acceptors   2
  • H_Donors   0
  • Rotatable_Bonds   0

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