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540366

Sigma-Aldrich

1,1-Diethoxy-3-methyl-2-butene

97%

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About This Item

Linear Formula:
(C2H5O)2CHCH=C(CH3)2
CAS Number:
1740-74-5
Molecular Weight:
158.24
MDL number:
MFCD03093968
UNSPSC Code:
12352100
PubChem Substance ID:
24878461
NACRES:
NA.22

Quality Level

100

Assay

97%

refractive index

n20/D 1.421 (lit.)

bp

53-58 °C/20 mmHg (lit.)

density

0.837 g/mL at 25 °C (lit.)

functional group

ether

SMILES string

CCOC(OCC)\C=C(\C)C

InChI

1S/C9H18O2/c1-5-10-9(11-6-2)7-8(3)4/h7,9H,5-6H2,1-4H3

InChI key

SFUKGEREDDIOED-UHFFFAOYSA-N

Related Categories

General description

1,1-Diethoxy-3-methyl-2-butene is an acyclic alkene.

Application

1,1-Diethoxy-3-methyl-2-butene may be used in the synthesis of:
  • 6,6,10-trimethyl-4-propyl-10,11-dihydro-2H,6H,12H-dipyrano[2,3-f:2′,3′-h]chromene-2,12-dione
  • angular pyranocoumarins
  • 6-cyano-2,2-dimethyl-2-H-1-benzopyran

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H226

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

140.0 °F - closed cup

Flash Point(C)

60 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKBZ0934V
MKBD3141V
MKBD3141
MKBD0248
MKAA3448

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Convenient synthesis of linear pyrano [3, 2-g]-,[2, 3-g]-and angular pyrano [3, 2-f] coumarins from 4 [(1, 1-dimethyl-2-propynyl) oxy] phenol.
Baldoumi, V., et al.
Tetrahedron, 62(34), 8016-8020 (2006)
Tao Ma et al.
Journal of medicinal chemistry, 51(5), 1432-1446 (2008-02-21)
(+)-Calanolide A ( 1) as a natural product was previously found as an inhibitor of HIV-1 reverse transcriptase. In our further investigation of its template, racemic 11-demethyl-12-oxo calanolide A ( 15), which had two fewer chiral carbon centers at the
Green synthesis of 6-cyano-2, 2-dimethyl-2-H-1-benzopyran and its subsequent enantioselective epoxidation.
Romanelli G, et al.
J. Mol. Catal. A: Chem., 398, 11-16 (2015)

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