Synthesis, surface tension properties and antibacterial activities of amphiphilic d -galactopyranose derivatives
摘要:
Several amphiphilic D-galactopyranose derivatives were synthesized in which the glycosidic moiety was separated from the hydrophobic alkyl chain (along 8 or 12 carbon atoms) by a spacer arm (butyl, butynyl or benzyl) in order to increase their surfactant properties and to obtain new antibacterial compounds. The surface tensions of the products were analyzed by Critical Micelle Concentration (CMC) and gamma(CMC) measurements and the antimicrobial activities were assayed against 10 bacterial species by Minimum Inhibitory Concentration (MIC) determination in liquid broth. The introduction of an aliphatic spacer arm increased the amphiphilic properties of the compounds and the CMC values were 40-500 times lower than their analogs without spacer arm. In the same manner, the spacer arms significantly increased the antibacterial power of the compounds. The products 4d and 4e exhibiting a C12 alkyl chain and an aliphatic spacer arm (butyl and butynyl) were the best surfactants (CMC = 0.023 and 0.032 mmol/L, respectively) and presented also the best antibacterial activities (MIC = 15.62 and 3.91 mu g/mL for Micrococcus luteus, respectively). But the antibacterial activity of the newly synthesized products seemed to depend more on the cell wall composition of the bacteria than only on the amphiphilic character of the compounds. (C) 2012 Elsevier Masson SAS. All rights reserved.
COMPOSITION ANTIBACTERIENNE CONTENANT UN MELANGE ISOMERIQUE DE MONOETHERS OU DE MONOACETALS D'ALKYLE DE MONOSACCHARIDES
申请人:Tereos Starch & Sweeteners Belgium
公开号:EP3233874A1
公开(公告)日:2017-10-25
COMPOSITION ANTIBACTÉRIENNE CONTENANT UN MONOÉTHER OU UN MONOACÉTAL D'ALKYLE DE DÉSOXYHEXOSE
申请人:Tereos Starch & Sweeteners Belgium
公开号:EP3389731B1
公开(公告)日:2020-07-29
[EN] ANTIBACTERIAL COMPOSITION CONTAINING AN ISOMER MIXTURE OF MONOSACCHARIDE ALKYL MONOACETALS OR MONOETHERS<br/>[FR] COMPOSITION ANTIBACTERIENNE CONTENANT UN MELANGE ISOMERIQUE DE MONOETHERS OU DE MONOACETALS D'ALKYLE DE MONOSACCHARIDES
申请人:SYRAL BELGIUM NV
公开号:WO2016098046A1
公开(公告)日:2016-06-23
La présente invention concerne une composition bactéricide ou bactériostatique comprenant un mélange d'isomères de monoéthers ou de monoacétals d'alkyle de monosaccharides, son utilisation dans le traitement ou la prévention des infections à bactéries Gram positif, son utilisation en tant que produit d'hygiène ou dermatologique à usage externe ainsi qu'une méthode de désinfection de surfaces.
[EN] ANTIBACTERIAL COMPOSITION CONTAINING A DEOXYHEXOSE ALKYL MONOACETAL OR MONOETHER<br/>[FR] COMPOSITION ANTIBACTÉRIENNE CONTENANT UN MONOÉTHER OU UN MONOACÉTAL D'ALKYLE DE DÉSOXYHEXOSE
申请人:TEREOS STARCH & SWEETENERS BELGIUM
公开号:WO2017103904A1
公开(公告)日:2017-06-22
La présente invention concerne une composition bactéricide ou bactériostatique comprenant un éther ou un acétal d'alkyle de désoxyhexose ou le mélange d'isomères de celui-ci, son utilisation dans le traitement ou la prévention des infections à bactéries Gram positif, son utilisation en tant que produit d'hygiène ou dermatologique à usage externe ainsi qu'une méthode de désinfection de surfaces.