cas 22767-49-3, Sodium pentanesulfonate | Articles data ｜lookchem

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22767-49-3

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Preparation of sodium sulfonates using by copper as catalyst
The sodium alkyl sulfonates were prepared by Strecker reaction. The synthesis of sodium chloroethyl sulfonate from dichloroethane and sodium sulfite with different catalysts, it was found that copper was an efficient catalyst with a yield (81%). The reaction conditions were also optimized to make the route more competitive and suitable for large-scale industrial production. Besides, some more sulfonates were also obtained with copper as catalyst via Strecker reaction.
Bai, Ruijiao,Zhang, Richeng,Qi, Haofei,Yan, Xilong,Chen, Ligong
p. 7226 - 7228
(2015/04/22)

N-Sulfonyl homoserine lactones as antagonists of bacterial quorum sensing
A series of 11 N-sulfonyl homoserine lactones has been synthesised. Some of them were found to competitively inhibit the action of 3-oxohexanoyl-L- homoserine lactone, the natural inducer of bioluminescence in the bacterium Vibrio fischeri. Molecular modeling suggests a possible explanation based on the prevention of structural rearrangements necessary for the formation of the active dimer of LuxR.
Castang, Sandra,Chantegrel, Bernard,Deshayes, Christian,Dolmazon, René,Gouet, Patrice,Haser, Richard,Reverchon, Sylvie,Nasser, William,Hugouvieux-Cotte-Pattat, Nicole,Doutheau, Alain
p. 5145 - 5149
(2007/10/03)

Studies on Sulphochlorination of Paraffins. VIII. Studies on the Hydrolysis of Individual Alkane Sulphochlorides by Sodium Hydroxide
The hydrolysis of individual C1-C5 alkane sulphochlorides by sodium hydroxide in dioxane/water (1:1) was kinetically studied at 25 deg C by means of stopped-flow technique, measuring the change of electric conductivity.The rate constants were influenced by steric hindrance, but in all cases were higher than the rate constant for alkaline hydrolysis of benzene sulphochloride, which cannot react according to the elimination-addition (sulphene) mechanism.The reaction enthalpy of the alkaline hydrolysis of four individual alkane sulphochlorides was determined by a simple calorimetric apparatus; the average value amounts to ΔRH = -239 kJ mol-1.
Hampel, M.,Just, G.,Krebes, W.,Pritzkow, W.
p. 987 - 990
(2007/10/02)

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Chemical Properties

Appearance/Colour :White crystalline powder
Melting Point: 300 °C
Density: 1.018
Solubility:H2O: soluble0.5M at 20°C, clear, colorless
Storage Temp.:Store at +5°C to +30°C.
BRN: 3725147
PSA: 65.58000
LogP: 1.80260

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