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276030

Sigma-Aldrich

2,3-Dimethoxy-1,3-butadiene

95%

Synonyme(s) :

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

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About This Item

Formule linéaire :
H2C=C(OCH3)C(OCH3)=CH2
Numéro CAS:
3588-31-6
Poids moléculaire :
114.14
Numéro MDL:
MFCD00010229
Code UNSPSC :
12352100
ID de substance PubChem :
24856688
Nomenclature NACRES :
NA.22

Pureté

95%

Forme

liquid

Indice de réfraction

n20/D 1.459 (lit.)

Point d'ébullition

134-136 °C/745 mmHg (lit.)

Pf

19 °C (lit.)

Densité

0.94 g/mL at 25 °C (lit.)

Température de stockage

2-8°C

Chaîne SMILES 

COC(=C)C(=C)OC

InChI

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

Clé InChI

NHBDKDZHQKQPTF-UHFFFAOYSA-N

Description générale

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.

Pictogrammes

Flame
GHS02

Mention d'avertissement

Warning

Mentions de danger

H226

Classification des risques

Flam. Liq. 3

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

91.4 °F - closed cup

Point d'éclair (°C)

33 °C - closed cup

Équipement de protection individuelle

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

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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
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)
Santanu Sarkar et al.
Journal of the American Chemical Society, 133(10), 3324-3327 (2011-02-24)
The zero-band-gap electronic structure of graphene enables it to function as either the diene or the dienophile in the Diels-Alder reaction, and this versatile synthetic method offers a powerful strategy for the reversible modification of the electronic properties of graphene
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)
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
Afficher tous les articles scientifiques apparentés

Articles

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.

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