cas 62455-56-5, 2-(4-CHLOROBENZOYL)-3,3-DI(METHYLTHIO)ACRYLONITRILE | Articles data ｜lookchem

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62455-56-5

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Bromination of α-Aroylketene S,S-Acetals: Synthesis of Novel α-Aroyl-α-bromoketene S,S-Acetals and Their Further Synthetic Transformations
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Singh, Gurdeep,Ila, Hiriyakkanavar,Junjappa, Hiriyakkanavar
p. 165 - 169
(2007/10/02)

ALKYLIERUNGS- AND ARYLIERUNGSREAKTIONEN MIT GEMINALEN DITHIOLATEN
Acyl acetonitriles 1 react with carbon disulfide in the presence of sodium hydride to give disodium salts 2.Treatment of 2 with an alkylation reagent yields the open chain or cyclic acyl cyanketene S,S-acetals 3,4,8 and 10, respectively.Arylation to 11 is successful with 2,4-dinitro-chlorobenzene.Adding only one equivalent of methyl iodide to 2 and acidifying the reaction mixture lead to the monoalkylated compounds 7, whereas β-hydroxythioanilides 12 are available by reaction of 1 with phenyl isothiocyanate.A comparison of the ?-values shows that there exists the same type of the proton's chelation of the OH-group in 7 and 12.
Rudorf, W. D.,Augustin, M.
p. 329 - 336
(2007/10/02)

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Chemical Properties

Melting Point: 80-81 °C(Solv: methanol (67-56-1))
Boiling Point: 394oC at 760 mmHg
Flash Point:192.1oC
Density: 1.329g/cm3
Vapor Pressure: 2.04E-06mmHg at 25°C
PSA: 91.46000
LogP: 3.98388

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