38674-98-5

Usage

InChI:InChI=1/C10H19BrO2/c1-2-3-4-5-6-7-8-13-10(12)9-11/h2-9H2,1H3

Upstream product

• 111-87-5 octanol 
• 105-36-2 ethyl bromoacetate 
• 96-32-2 bromoacetic acid methyl ester 
• 598-21-0 2-Bromoacetyl bromide 
• 79-08-3 bromoacetic acid 

Downstream Products

• 29462-75-7 sodium 2-(octyloxy)-2-oxoethane-1-sulfonate 
• 134447-04-4 octyl(4'-hydroxyphenoxy)acetate 
• 1310496-20-8 Br^(1-)*C₂₃H₃₁N₂O₄⁽¹⁺⁾ 
• 882685-19-0 (E)-3-(2,4,6-trihydroxyphenyl)acrylic acid octyl ester 
• 134447-03-3 octyl(4'-benzyloxyphenoxy)acetate 

Relevant academic research and scientific papers

Preparation method of tetra-ester gemini quaternary ammonium salt leather sterilization mildew inhibitor

The invention discloses a preparation method of a tetra-ester gemini quaternary ammonium salt leather sterilization mildew inhibitor. The preparation method comprises the following steps: firstly, taking hydroxyl-terminated diol and chloroacetyl chloride as reactants, and synthesizing ester dichloride through nucleophilic substitution reaction; then carrying out nucleophilic substitution reaction on the ester group dichloride and diethylamine to synthesize ester group di-tert-amine; then using fatty alcohol and bromoacetyl bromide as reactants to synthesize bromoacetate through acylation reaction; and finally, carrying out quaternization reaction on the obtained bromoacetate and ester group di-tert-amine to obtain the tetra-ester gemini quaternary ammonium salt bactericidal mildew inhibitor, and respectively distributing ester groups on a spacer group and a hydrophobic chain of the gemini quaternary ammonium salt. The tetra-ester gemini quaternary ammonium salt leather sterilization mildew inhibitor prepared by the method has good antibacterial and mildew-proof performance, can be applied to the sterilization and mildew-proof field of leather, and has a good market application prospect.

Synthesis of novel oil-soluble fluorinated surfactants via Wittig-Horner reaction

In this paper, the synthesis and characterization of novel oil-soluble fluorinated surfactants were reported. Both Wittig and Wittig-Horner reaction were used for constructing the perfluorinated branch-chain structure, and the latter provided a better method through a three-step synthesis route which was easy worked up and low cost. The surface tension of novel products in toluene, n-hexane and nitromethane with concentrations of 0.1 mol/L, 0.05 mol/L, 0.025 mol/L, 0.0125 mol/L, 0.00625 mol/L and 0 mol/L were examined. The surface tension research of these surfactants showed that they can reduce the surface tension of organic reagents dramatically. For example, compound 1e can reduce the surface tension of nitromethane from 36.6 mN/m to 24.2 mN/m in the concentration of 0.1 mol/L, and the surface tension of toluene was reduced from 28.0 mN/m to 22.7 mN/m when the concentration of compound 1a was 0.1 mol/L.

Synthesis, Characterization, and Surface Activities of Polymeric Cationic Thiol Surfactants in Aqueous Medium

A series of cationic polyurethane surfactants [PQ8-18] were synthesized by the reaction of alkyl bromoacetate (namely: octyl-, decyl-, dodecyl-, tetradecyl-, hexadecyl-, and octadecyl bromoacetate) as quaternizing agents and modified polyurethane contains tertiary amine species. Modified polyurethane was prepared by the reaction of toluene diisocyanate (TDI) and triethanol amine monomercaptoacetate. The chemical structures of the prepared surfactants were confirmed using elemental analysis, Fourier transform infrared spectroscopy (FTIR), and Proton nuclear magnetic resonance (1H NMR) spectroscopy. The molecular weight measurements of the prepared polymers showed that the segments of each polymer contain average 10 units of the urethane-triethanol amine mercaptoacetate. The surface activities of the prepared surfactants including: surface tension (γ), effectiveness (πcmc), concentration at micelle formation (CMC), efficiency (Pc20), maximum concentration at the interface (Γmax), and the average area occupied by each surfactant molecule at the interface at equilibrium (Amin) of surfactants solutions were established at 25°C. The surface tension and the critical micelle concentration values of the prepared surfactants were gradually decreased by the gradual increase of their alkyl chain length. The prepared cationic surfactants showed efficient activity as inhibitors for dissolution of carbon steel in an acidic medium and also as a biocide against the growth of bacteria, fungi, and yeast.

A reactive Gemini quaternary ammonium salt leather method for producing the same (by machine translation)

The invention discloses a reactive Gemini quaternary ammonium salt leather method for producing the same, comprises three steps: 1st step is [...] and fatty alcohol esterification reaction generating [...] ester, 2nd step is anti-- 1, 4 - dichloro - 2 - butene and diethylamine the nucleophilic substitution reaction to produce trans - N, N, N', N' - four ethyl - 2 - butene - 1, 4 - diamine, the first two steps of 3rd step is obtained by reaction of the product of the quaternized reactive Gemini quaternary ammonium salt. The preparation process is easy to operate, high yield, low cost of raw materials, and the practicability is strong, and the 2nd step in the synthesis of diamine, as the Gemini quaternary ammonium salt for synthesizing new ideas and new method. The invention preparation of the molecular structure of the presence of the fungicide ester not only can enhance the sterilizing performance, and can be given to its good biodegradability. In addition, the structure of the active group in the presence of C=C, increases the chemical activity of the quaternary ammonium salt surfactant, make it can be further chemically bonded and the leather skin collagen in resin material, can be given to its permanent sterilization performance. (by machine translation)

Biocidal activity and corrosion inhibition of some cationic surfactants derived from thiol polyurethane

S IX series of cationic polyurethane surfactants [PQ10-20] were synthesized by the reaction between different six esters (which prepared by condensation of fatty alcohols namely: octanol, decanol, dodecanol, tetradecanol, hexadecanol and octadecanol with bromoacetic acid) and polyurethane as quaternizing agent. The chemical structures of these surfactants were confirmed using elemental analysis, FTIR spectra,+HNMR and UV analysis. The surface activities of the synthesized cationic thiol polyurethane surfactants showed their tendency towards adsorption at the air/water interface. The adsorption tendency was estimated from the values of surface tension and the depression of surface tension at the critical micelle concentration. The studied surfactants were evaluated as antimicrobial agents against pathogenic and sulfur reducing bacteria using inhibition zone diameters and minimum inhibition concentration values. The synthesized cationic thiol polyurethane surfactants showed good antimicrobial activities against the tested microorganisms including Gram positive, Gram negative as well as fungi. The synthesized compounds were tested for the activity as corrosion inhibitors against carbon steel corrosion in 2N H2SO4 at 50, 100, 200, 400 and 600 ppm. The inhibition efficiencies of the tested compounds showed good inhibition and protection of the carbon steel. The corrosion inhibition tendency correlated to the surface activity and chemical structure of the compounds.

Novel cationic schiff base surfactants: Surface studies and biocidal activities against bacteria fungi and sulfate reducing bacteria

Novel series of cationic Schiff base surfactants were synthesized and characterized using microelemental analysis, FTIR and 1H-NMR spectra. The properties of the synthesized surfactant solutions such as critical micelle concentration (CMC), effectiveness (πCMC), surface excess concentration (Γmax), surface area (Amin) and free energy of micellization (δGmic) were determined using surface tension measurements. These Schiff base surfactants were evaluated for their antibacterial activity against Gram positive and Gram negative bacteria and fungi. The results of the biocidal activities revealed high potent action of the Schiff bases towards bacteria and fungi. The biocidal activity of the tested compounds against sulfur (sulfate) reducing bacteria (SRB) showed promising results in the area of oil field applications.

Synthesis, characterization and surface activity of new eco-friendly schiff bases vanillin derived cationic surfactants

Three eco-friendly cationic surface active agents were synthesized from the chemical modification of vanillin. The chemical structures of these surfactants were confirmed using elemental analysis, IR and NMR spectra. The surface activity measurements showed their high tendency towards adsorption and micellization and their good surface tension reduction, low interfacial tension. The emulsion stability measurements showed acceptable efficiency as emulsifying agents for short term emulsions. The biodegradability tests revealed that these compounds are eco-friendly and had completely degraded in 30 days. AOCS 2011.

ANTI-MICROBIAL COMPOSITIONS

Anti-microbial compositions comprising certain imidazolium ionic liquids and non-ionic or anionic surfactants and methods of using said compositions in the preservation of personal care and cosmetic applications are provided.

Nonacid cleavable detergents applied to MALDI mass spectrometry profiling of whole cells

Although cleavable detergents were first synthesized a number of years ago, they have only recently been successfully applied to problems involving biological molecules. Recent reports have demonstrated that these compounds are useful for applications inv

An improved greener esterification of fatty alcohols using a renewable acid-ionic liquid couple as catalyst-solvent

We have developed a simple and efficient method for the esterification of various organic acids with C4-C18 alcohols using the 1-octyl-3-methyl- imidazolium tetrafluoroborate-para-toluenesulphonic acid (OMIM/BF 4-PTSA) couple, without organic solvent, either by classic heating or by microwave irradiation. The utilisation of the OMIM/BF4-PTSA couple presents considerable advantages: high yield, low temperature, short reaction time, isolation of the ester by simple decantation, easy reuse of the catalyst couple.