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300810

Sigma-Aldrich

Tetrahydro-2-(2-propynyloxy)-2H-pyran

98%

Synonym(s):

(2-Propynyloxy)tetrahydropyran, (±)-Tetrahydro-2-(2-propynyloxy)-2H-pyran, 1-(2′-Tetrahydropyranyloxy)-2-propyne, 1-(Tetrahydro-2H-pyranyloxy)-2-propyne, 1-(Tetrahydropyranyloxy)prop-2-yne, Oct-2-yne-1-ol

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About This Item

Empirical Formula (Hill Notation):
C8H12O2
CAS Number:
6089-04-9
Molecular Weight:
140.18
EC Number:
228-027-5
MDL number:
MFCD00006604
UNSPSC Code:
12352100
PubChem Substance ID:
24858107
NACRES:
NA.22

Quality Level

100

Assay

98%

form

liquid

refractive index

n20/D 1.458 (lit.)

bp

63-65 °C/9 mmHg (lit.)

density

0.997 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C#CCOC1CCCCO1

InChI

1S/C8H12O2/c1-2-6-9-8-5-3-4-7-10-8/h1,8H,3-7H2

InChI key

HQAXHIGPGBPPFU-UHFFFAOYSA-N

Related Categories

General description

The anion formed by metalation at the acetylenic carbon reacts with a variety of electrophiles.

Application

Tetrahydro-2-(2-propynyloxy)-2H-pyran was used in preparation of 1,3-dienyl acetal.

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H226

Hazard Classifications

Flam. Liq. 3

WGK

WGK 3

Flash Point(F)

138.2 °F

Flash Point(C)

59 °C

Regulatory Information

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Aldrichimica Acta, 19, 9-9 (1986)
A facile synthetic method of a-quaternary-?, ?-unsaturated aldehydes via the stereoselective 1, 4-elimination and a-regioselective Ferrier reaction
Tayama E and Hashimoto R
Tetrahedron Letters, 48(45), 7950-7952 (2007)

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