D138401
Dimethyl acetylenedicarboxylate
95%
Synonym(s):
Dimethyl 2-butynedioate
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About This Item
Linear Formula:
CH3OCOC≡CCO2CH3
CAS Number:
Molecular Weight:
142.11
NACRES:
NA.22
UNSPSC Code:
12352100
PubChem Substance ID:
EC Number:
212-098-4
Beilstein/REAXYS Number:
607063
MDL number:
Assay:
95%
Form:
liquid
Quality Level
assay
95%
form
liquid
refractive index
n20/D 1.447 (lit.)
bp
95-98 °C/19 mmHg (lit.)
density
1.156 g/mL at 25 °C (lit.)
SMILES string
COC(=O)C#CC(=O)OC
InChI
1S/C6H6O4/c1-9-5(7)3-4-6(8)10-2/h1-2H3
InChI key
VHILMKFSCRWWIJ-UHFFFAOYSA-N
Related Categories
General description
Dimethyl acetylenedicarboxylate (DMAD) is an ester utilized as a dienophile and a dipolarophile in cycloaddition reactions.
Application
Versatile dienophile used in Diels-Alder reactions.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
flash_point_f
186.8 °F - closed cup
flash_point_c
86 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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Jing Sun et al.
ACS combinatorial science, 13(4), 421-426 (2011-05-17)
A protocol has been developed for the efficient synthesis of structurally diverse 3,4-dihydropyridin-2(1H)-ones and 3,4-dihydro-2H-pyrans via four-component reactions of arylamines, acetylenedicarboxylate, aromatic aldehydes and cyclic 1,3-diketones. The selective formation of the very different pyridinone or pyran derivatives depends on the
Guan-Wu Wang et al.
Organic & biomolecular chemistry, 4(22), 4063-4064 (2007-02-23)
The novel multicomponent reaction of [60]fullerene with dimethyl acetylenedicarboxylate and isoquinoline, quinoline or substituted quinolines was investigated. This type of reaction presents the first example of a 1,4-dipolar cycloaddition reaction in fullerene chemistry.
Huan-Rui Pan et al.
The Journal of organic chemistry, 75(19), 6644-6652 (2010-09-14)
The facile three-component reactions of N,N-substituted imidazo[1,5-a]pyridine carbenes, namely imidazo[1,5-a]pyridin-3-ylidenes, with aldehydes and DMAD or allenoates were disclosed. Both reactions proceeded via tandem nucleophilic addition, [3 + 2]-cycloaddition, and ring transformation to produce different 4-[(2-pyridyl)methyl]aminofuran derivatives generally in moderate yields.
Vijay Nair et al.
Organic letters, 7(21), 4625-4628 (2005-10-08)
[reaction: see text] The pyridine-mediated reaction of dimethyl acetylenedicarboxylate and cyclobutene-1,2-diones affords selective access to either hexasubstituted benzene derivatives or cyclopentenedione derivatives depending on the concentration of pyridine.
Vijay Nair et al.
The Journal of organic chemistry, 71(6), 2313-2319 (2006-03-11)
The zwitterion formed by the reaction of dimethoxycarbene and DMAD adds efficiently to one of the carbonyl groups of 1,2-dicarbonyl compounds and anhydrides to generate dihydrofurans and spirodihydrofurans in good yields. In many cases, the carbene inserts into the C-C
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