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E22201

Sigma-Aldrich

Ethyl diazoacetate

contains ≥13 wt. % dichloromethane

Synonym(s):

DAAE

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About This Item

Linear Formula:
N=N=CHCOOC2H5
CAS Number:
623-73-4
Molecular Weight:
114.10
Beilstein:
107654
MDL number:
MFCD00001989
UNSPSC Code:
12352100
PubChem Substance ID:
24894459
NACRES:
NA.22

form

liquid

Quality Level

200

contains

≥13 wt. % dichloromethane

refractive index

n20/D 1.46 (lit.)

bp

140-141 °C/720 mmHg (lit.)

mp

−22 °C (lit.)

density

1.085 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CCOC(=O)C=[N+]=[N-]

InChI

1S/C4H6N2O2/c1-2-8-4(7)3-6-5/h3H,2H2,1H3

InChI key

YVPJCJLMRRTDMQ-UHFFFAOYSA-N

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Related Categories

Application

New Diazoacetate Formulations
Reagent for ruthenium-catalyzed asymmetric cyclopropanation of alkenes.

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Description
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Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 3 - Self-react. E - Skin Irrit. 2

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Regulatory Information

危险化学品

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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Marianne Lenes Rosenberg et al.
The Journal of organic chemistry, 76(8), 2465-2470 (2011-03-19)
The performance of recently reported highly cis-diastereoselective Rh(I) cyclopropanation catalysts has been significantly improved by a systematic study of different reaction parameters (catalyst activation, solvent, temperature, stoichiometry). The catalyst efficiency and diastereoselectivity were enhanced by changing the activating agent from
Barry M Trost et al.
Journal of the American Chemical Society, 131(5), 1674-1675 (2009-02-05)
Magnesium-catalyzed enantioselective aldol between ethyl diazoacetate and aromatic, aliphatic, and alpha,beta-unsaturated aldehydes affords alpha-diazo-beta-hydroxy-esters in high enantioselectivities. Aldol adducts resulting from this asymmetric transformation are versatile intermediates toward the synthesis of several ester containing chiral building blocks.
Lian-Biao Zhao et al.
The Journal of organic chemistry, 72(26), 10276-10278 (2007-11-29)
Copper-catalyzed [4 + 1] cycloaddition reaction of alpha,beta-acetylenic ketones with alpha-diazo esters offers an efficient, direct route to highly substituted furans. The reaction conditions and the scope of the process are examined, and a possible mechanism is proposed.
Ying Chen et al.
The Journal of organic chemistry, 69(7), 2431-2435 (2004-03-31)
Vitamin B(12) derivatives were found for the first time to be general and efficient catalysts for asymmetric cyclopropanation of alkenes with ethyl diazoacetate (EDA). Among several common derivatives, aquocobalamin (B(12a)) was shown to be the most effective catalyst for a
Pierre de Frémont et al.
Chemical communications (Cambridge, England), (19)(19), 2045-2047 (2006-06-13)
A number of cationic gold(I) complexes have been synthesized and found to be stabilized by the use of N-heterocyclic carbene ligands. These species are often employed as in situ-generated reactive intermediates in gold catalyzed organic transformations. An isolated, well-defined species
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