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HomeProduct name listETHYL 2 3-BUTADIENOATE 95

ETHYL 2 3-BUTADIENOATE 95

ETHYL 2 3-BUTADIENOATE  95 Structural

What is ETHYL 2 3-BUTADIENOATE 95?

The Uses of ETHYL 2 3-BUTADIENOATE 95

Ethyl Buta-2,3-dienoate is a useful reactant for the synthesis of 9H-?pyrrolo[1,?2-?a]?indole derivatives via a phosphine-?promoted Michael addn.?/intramol. Wittig reaction.

The Uses of ETHYL 2 3-BUTADIENOATE 95

Ethyl 2,3-butadienoate may be used in the synthesis of dihydropyrans by reacting with acyclic enones. It may also be used to synthesize spiranic heterocycles by reacting with heterocyclic bis-arylidene ketones via phosphine-catalyzed [3+2] annulations.

General Description

Ethyl 2,3-butadienoate is an α-allenic ester. The reaction of ethyl 2,3-butadienoate with N-tosylated imines in the presence of DABCO (1,4-diazabicyclo[2.2.2]octane) or DMAP (4-dimethylaminopyridine) forms azetidine derivatives or novel dihydropyridine derivatives respectively. The performance of bifunctional N-acyl aminophosphines to catalyze the asymmetric [3+2] cycloaddition of phenylidenemalononitrile with ethyl 2,3-butadienoate has been evaluated.

Properties of ETHYL 2 3-BUTADIENOATE 95

Boiling point: 80 °C60 mm Hg(lit.)
Density  0.966 g/mL at 25 °C(lit.)
refractive index  n20/D 1.46(lit.)
Flash point: 116 °F
storage temp.  <0°C
form  clear liquid
color  Colorless to Light yellow
λmax 209nm(MeOH)(lit.)

Safety information for ETHYL 2 3-BUTADIENOATE 95

Signal word Warning
Pictogram(s)
ghs
Flame
Flammables
GHS02
GHS Hazard Statements H226:Flammable liquids
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233:Keep container tightly closed.
P240:Ground/bond container and receiving equipment.
P241:Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242:Use only non-sparking tools.
P243:Take precautionary measures against static discharge.

Computed Descriptors for ETHYL 2 3-BUTADIENOATE 95

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