{"data":{"id":"10.6084/m9.figshare.c.3152872","type":"dois","attributes":{"doi":"10.6084/m9.figshare.c.3152872","prefix":"10.6084","suffix":"m9.figshare.c.3152872","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Guoyong Chen","affiliation":[],"nameIdentifiers":[]},{"name":"Zhencao Li","affiliation":[],"nameIdentifiers":[]},{"name":"Langqiu Chen","affiliation":[],"nameIdentifiers":[]},{"name":"Shanwei Ji","affiliation":[],"nameIdentifiers":[]},{"name":"Wangzhen Shen","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"Synthesis and Properties of Alkyl α-\u003ci\u003eD\u003c/i\u003e-Galactopyranoside"}],"publisher":"Figshare","container":{},"publicationYear":2016,"subjects":[{"subject":"Biophysics"},{"subject":"Biochemistry"},{"subject":"29999 Physical Sciences not elsewhere classified","subjectScheme":"FOR"},{"subject":"FOS: Physical sciences","schemeUri":"http://www.oecd.org/science/inno/38235147.pdf","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"FOS: Physical sciences","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"Medicine"},{"subject":"Biotechnology"},{"subject":"39999 Chemical Sciences not elsewhere classified","subjectScheme":"FOR"},{"subject":"FOS: Chemical sciences","schemeUri":"http://www.oecd.org/science/inno/38235147.pdf","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"FOS: Chemical sciences","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"Ecology"},{"subject":"FOS: Biological sciences","schemeUri":"http://www.oecd.org/science/inno/38235147.pdf","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"FOS: Biological sciences","subjectScheme":"Fields of Science and Technology (FOS)"}],"contributors":[],"dates":[{"date":"2016-04-29","dateType":"Created"},{"date":"2016-04-29","dateType":"Updated"},{"date":"2016","dateType":"Issued"}],"language":null,"types":{"ris":"GEN","bibtex":"misc","citeproc":"article","schemaOrg":"Collection","resourceType":"Collection","resourceTypeGeneral":"Collection"},"relatedIdentifiers":[],"relatedItems":[],"sizes":[],"formats":[],"version":null,"rightsList":[{"rights":"CC-BY","rightsUri":"http://creativecommons.org/licenses/by/3.0/us"}],"descriptions":[{"description":"Alkyl α-\u003ci\u003eD\u003c/i\u003e-galactopyranosides are sugar-based nonionic surfactants, it is necessary to research their structure-property relationships since it isn't quite clear that the change of the alkyl chain length has effects on a series of physicochemical properties. Here, alkyl α-\u003ci\u003eD\u003c/i\u003e-galactopyranosides were prepared by galactose and alcohols through three steps including acetylation, coupling with alcohols in the presence of a catalyst stannic chloride and deprotection. Furthermore, their water solubility and other properties were investigated. Alkyl α-\u003ci\u003eD\u003c/i\u003e-galactopyranosides (\u003cb\u003e4a ∼ 4e\u003c/b\u003e, n = 6 ∼ 10) were water soluble, their dissolution process in water was an endothermic process. Nonyl α-\u003ci\u003eD\u003c/i\u003e-galactopyranoside (\u003cb\u003e4d\u003c/b\u003e) showed excellent foaming ability and foam stability. Octyl α-\u003ci\u003eD\u003c/i\u003e-galactopyranoside (\u003cb\u003e4c\u003c/b\u003e) had the strongest emulsifying ability for toluene, nonyl α-\u003ci\u003eD\u003c/i\u003e-galactopyranoside (\u003cb\u003e4d\u003c/b\u003e) had the strongest emulsifying ability for rapeseed oil. The CMC values and surface tension at the CMC were decreasing with increasing alkyl chain length. Their standard free energy of adsorption (Δ\u003ci\u003eG\u003c/i\u003e\u003csub\u003eads\u003c/sub\u003e) was more negative than their standard free energy of micellization (Δ\u003ci\u003eG\u003c/i\u003e\u003csub\u003emic\u003c/sub\u003e). The moisture-absorption abilities were weakening with increasing alkyl chain length. Alkyl α-\u003ci\u003eD\u003c/i\u003e-galactopyranosides (\u003cb\u003e4a ∼ 4f\u003c/b\u003e) were thermal stability below 280 °C. Alkyl α-\u003ci\u003eD\u003c/i\u003e-galactopyranosides (\u003cb\u003e4c ∼ 4f\u003c/b\u003e) had the optical texture of the thermotropic liquid crystal smectic A phase.","descriptionType":"Abstract"}],"geoLocations":[],"fundingReferences":[],"xml":"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