A novel synthesis of anionic heterogemini surfactants containing COOH, SO3H and PO(OH)2 headgroups from corynomicolic acid and its derivatives / Tokuzo Kawase in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 48, N° 6 (11-12/2011)

[article]  inTENSIDE, SURFACTANTS, DETERGENTS > Vol. 48, N° 6 (11-12/2011) . - p. 466-476 Titre : A novel synthesis of anionic heterogemini surfactants containing COOH, SO3H and PO(OH)2 headgroups from corynomicolic acid and its derivatives Type de document : texte imprimé Auteurs : Tokuzo Kawase, Auteur ; T. Aisaka, Auteur ; Tatsuo Oida, Auteur Année de publication : 2011 Article en page(s) : p. 466-476 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Corynomycoliques, Acides Stéréoisomères Surfactants Tension superficielle Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : Anionic heterogemini surfactants with –COOH, –SO3H and –PO(OH)2headgroups in combination were synthesized from Corynomicolic acid derivatives having R = C11H23. The –SO3H headgroup was obtained by the successive conversion of OH → OMs → SCN → SH → –SO3H. The PO(OH)2headgroup was introduced by the conjugate-addition to E-isomer of α,β-unsaturated ester derived from Corynomycolic acid ester. Heterogemini surfactant with –SO3H and –PO(OH)2headgroups was also synthesized from phosphonate analog of Corynomycolic acid. The stereoisomers (syn- and anti-isomers) of heterogemini surfactants were separately prepared except for heterogemini surfactants with –COOH and –PO(OH)2headgroups. Effects of variation and stereochemistry of two anionic headgroups on their surfactant properties were also studied on the basis of surface tension measurements. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12615 [article]

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