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Sigma-Aldrich

2,3-Dimethoxy-1,3-butadiene

95%

Synonym(s):

2,3-Dimethoxybuta-1,3-diene, 2,3-Dimethoxybutadiene

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About This Item

Linear Formula:
H2C=C(OCH3)C(OCH3)=CH2
CAS Number:
3588-31-6
Molecular Weight:
114.14
MDL number:
MFCD00010229
UNSPSC Code:
12352100
PubChem Substance ID:
24856688
NACRES:
NA.22

Assay

95%

form

liquid

refractive index

n20/D 1.459 (lit.)

bp

134-136 °C/745 mmHg (lit.)

mp

19 °C (lit.)

density

0.94 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

COC(=C)C(=C)OC

InChI

1S/C6H10O2/c1-5(7-3)6(2)8-4/h1-2H2,3-4H3

InChI key

NHBDKDZHQKQPTF-UHFFFAOYSA-N

General description

2,3-Dimethoxy-1,3-butadiene (DMEBD) is a 1,3-butadiene derivative. The reaction kinetics of hydrolysis of 2,3-dimethoxy-1,3-butadiene in the presence of acid catalyst has been investigated. The [4+2] cycloadditions of 3-nitrocoumarins with DMEBD has been investigated in aqueous medium, in organic solvent and under solventless conditions. This reaction led to the formation of 4-substituted 3-nitrochromanones. It forms adducts with graphene and Diels-Alder chemistry in this formation has been investigated.

Application

2,3-Dimethoxy-1,3-butadiene has been employed as diene to investigate the Diels-Alder chemistry of pristine and defective graphene. It was also used in the synthesis of novel benzopentathiepin varacinium trifluoroacetate.
It may be used in the preparation of 3,4-dimethoxythiophene, an intermediate for the synthesis of 3,4-ethylenedioxythiophene (EDOT). It may also be used to form thio esters by reacting with mercaptans in the presence of cobalt carbonyl catalyst.

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)

91.4 °F - closed cup

Flash Point(C)

33 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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David Amantini et al.
The Journal of organic chemistry, 68(24), 9263-9268 (2003-11-25)
The [4 + 2] cycloadditions of 3-nitrocoumarin (1a), 6-chloro-3-nitrocoumarin (1b), and 6-, 7-, and 8-hydroxy-3-nitrocoumarins (1c, 5, and 6) with (E)-piperylene (7), isoprene (8), 2,3-dimethyl-1,3-butadiene (9), 2-methoxy-1,3-butadiene (10), 2,3-dimethoxy-1,3-butadiene (11), and cyclopentadiene (12) were investigated in aqueous medium, in organic
Influence of dienes on the cobalt carbonyl catalyzed reaction of mercaptans with carbon monoxide.
Antebi S and Alper H.
Organometallics, 5(3), 596-598 (1986)
Total synthesis of the novel benzopentathiepin varacinium trifluoroacetate: the viability of" varacin-free base.
Behar V, et al.
Journal of the American Chemical Society, 115(15), 7017-7018 (1993)
Pablo A Denis
Chemistry (Weinheim an der Bergstrasse, Germany), 19(46), 15719-15725 (2013-10-12)
Herein, by using dispersion-corrected density functional theory, we investigated the Diels-Alder chemistry of pristine and defective graphene. Three dienes were considered, namely 2,3-dimethoxy-1,3-butadiene (DMBD), 9-methylanthracene (9MA), and 9,10-dimethylanthracene (910DMA). The dienophiles that were assayed were tetracyanoethylene (TCNE) and maleic anhydride
Vinyl ether hydrolysis. XVIII. The two-stage reaction of 2,3-dimethoxy-1,3-butadiene.
Kresge AJ and Yin Y.
Canadian Journal of Chemistry, 65(8), 1753-1756 (1987)
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