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MilliporeSigma

D106208

Sigma-Aldrich

3,4-Dihydro-2H-pyran

97%

Sinónimos:

2,3,4-Trihydropyran, 2H-3,4-Dihydropyran, Dihydro-2H-pyran, Dihydropyran

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About This Item

Fórmula empírica (notación de Hill):
C5H8O
Número de CAS:
Peso molecular:
84.12
Beilstein/REAXYS Number:
103493
EC Number:
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22

vapor density

2.9 (vs air)

Quality Level

assay

97%

form

liquid

refractive index

n20/D 1.440 (lit.)

bp

86 °C (lit.)

mp

−70 °C (lit.)

density

0.922 g/mL at 25 °C (lit.)

SMILES string

C1COC=CC1

InChI

1S/C5H8O/c1-2-4-6-5-3-1/h2,4H,1,3,5H2

InChI key

BUDQDWGNQVEFAC-UHFFFAOYSA-N

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Application

3,4-Dihydro-2H-pyran can be used as a reactant to synthesize:
  • Tetrahydropyranylated product from alcohols in the presence of phenolsulfonic acid-formaldehyde resin catalyst.
  • Tetrahydropyran derivatives by reacting pyrazoles in the presence of trifluoroacetic acid.
  • 1,2,3,4-Tetrahydroquinoline derivatives by cation-exchange resin catalyzed Domino reaction with aromatic amines.
  • Tetrahydroquinolines from aryl azides in the presence of FeCl3-NaI.

pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1B

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

5.0 °F - closed cup

flash_point_c

-15 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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O Kenrik Duru et al.
Journal of general internal medicine, 30(11), 1645-1650 (2015-05-07)
Reducing patient cost-sharing and engaging patients in disease management activities have been shown to increase uptake of evidence-based care. To evaluate the effect of employer purchase of a disease-specific plan with reduced cost-sharing and disease management (the Diabetes Health Plan/DHP)
FeCl3-NaI mediated reactions of aryl azides with 3, 4-dihydro-2H-pyran: a convenient synthesis of pyranoquinolines
Kamal A, et al.
Tetrahedron Letters, 45, 3507-3509 (2004)
Synthesis and Biological Evaluation of Novel Epothilone B Side Chain Analogues
Nicolaou K, et al
ChemMedChem, 10, 1974-1979 (2015)
Highly selective tetrahydropyranylation/dehydropyranylation of alcohols and phenols using porous phenolsulfonic acid-formaldehyde resin catalyst under solvent-free condition
Rajkumari K, et al.
Reactive and Functional Polymers, 149, 104519-104519 (2020)
Domino reaction of anilines with 3, 4-dihydro-2H-pyran catalyzed by cation-exchange resin in water: an efficient synthesis of 1, 2, 3, 4-tetrahydroquinoline derivatives
Chen L, et al.
Green Chemistry, 5, 627-629 (2003)

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