cas 20583-33-9, Ethanone, 1-(1H-pyrazol-3-yl)- (9CI) | Articles data ｜lookchem

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20583-33-9

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Regio- and stereoselectivity of captodative olefins in 1,3-dipolar cycloadditions. A DFT/HSAB theory rationale for the observed regiochemistry of nitrones
Captodative olefins 1-acetylvinyl carboxylates proved to be highly regioselective dipolarophiles in 1,3-dipolar cycloadditon to propionitrile oxide, arylphenylnitrile imines, diazoalkanes, and nitrones to yield the corresponding 5-substituted heterocycles
Herrera,Nagarajan,Morales,Mendez,Jimenez-Vazquez,Zepeda,Tamariz,Tamariz
p. 1252 - 1263
(2007/10/03)

Highly selective 1,3-dipolar cycloadditions of captodative olefins 1-acetylvinyl carboxylates to diverse dipoles
Regioselective 1,3-dipolar cycloadditions of captodative 1-acetylvinyl p-nitrobenzoyloxy (1a) with propionitrile oxide, diphenylnitrile imine and diazoalkanes provided the corresponding 5-acetyl- isoxazoles and pyrazoles. Evidence to support the formation
Nagarajan, Arumugam,Zepeda, Gerardo,Tamariz, Joaquin
p. 6835 - 6838
(2007/10/03)

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Chemical Properties

Melting Point: 100-101 °C(Solv: benzene (71-43-2))
Boiling Point: 277.7±13.0 °C(Predicted)
Density: 1.190±0.06 g/cm3(Predicted)
Storage Temp.:Sealed in dry,Room Temperature
PKA: 10.96±0.10(Predicted)
PSA: 45.75000
LogP: 0.61230

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