Method for preparing alkyl glucoside
The invention provides a method for preparing alkyl glucoside. The method for preparing the alkyl glucoside comprises the following steps of: (1) performing vacuum reaction on glucose and C8-C12 fatty alcohol in the presence of a composite catalyst for 2 to 8 hours, wherein the composite catalyst co...
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| creator | SHE WENLI XU XU DENG XINGLIANG |
| description | The invention provides a method for preparing alkyl glucoside. The method for preparing the alkyl glucoside comprises the following steps of: (1) performing vacuum reaction on glucose and C8-C12 fatty alcohol in the presence of a composite catalyst for 2 to 8 hours, wherein the composite catalyst consists of a main catalyst, a cocatalyst and an auxiliary catalyst, the main catalyst is para-toluenesulfonic acid or dodecylbenzene sulfonic acid, the cocatalyst is phosphoric acid or sulfurous acid, and the auxiliary catalyst is sulfamic acid; (2) cooling and adding an alkaline substance until the pH value of a system is neutralized to be 6 to 8 to obtain a mixture of the alkyl glucoside and the fatty alcohol; and (3) removing the fatty alcohol under high vacuum, adding water until the solid content of the system is 45 to 50 weight percent, and adding the alkaline substance to adjust the pH value of the system to be 12 to 14 to obtain the product. By the method, the final yield of the product is more than 155 perc |
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The method for preparing the alkyl glucoside comprises the following steps of: (1) performing vacuum reaction on glucose and C8-C12 fatty alcohol in the presence of a composite catalyst for 2 to 8 hours, wherein the composite catalyst consists of a main catalyst, a cocatalyst and an auxiliary catalyst, the main catalyst is para-toluenesulfonic acid or dodecylbenzene sulfonic acid, the cocatalyst is phosphoric acid or sulfurous acid, and the auxiliary catalyst is sulfamic acid; (2) cooling and adding an alkaline substance until the pH value of a system is neutralized to be 6 to 8 to obtain a mixture of the alkyl glucoside and the fatty alcohol; and (3) removing the fatty alcohol under high vacuum, adding water until the solid content of the system is 45 to 50 weight percent, and adding the alkaline substance to adjust the pH value of the system to be 12 to 14 to obtain the product. By the method, the final yield of the product is more than 155 perc</description><language>chi ; eng</language><subject>CHEMISTRY ; DERIVATIVES THEREOF ; METALLURGY ; NUCLEIC ACIDS ; NUCLEOSIDES ; NUCLEOTIDES ; ORGANIC CHEMISTRY ; SUGARS</subject><creationdate>2011</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110720&DB=EPODOC&CC=CN&NR=102127126A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110720&DB=EPODOC&CC=CN&NR=102127126A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHE WENLI</creatorcontrib><creatorcontrib>XU XU</creatorcontrib><creatorcontrib>DENG XINGLIANG</creatorcontrib><title>Method for preparing alkyl glucoside</title><description>The invention provides a method for preparing alkyl glucoside. The method for preparing the alkyl glucoside comprises the following steps of: (1) performing vacuum reaction on glucose and C8-C12 fatty alcohol in the presence of a composite catalyst for 2 to 8 hours, wherein the composite catalyst consists of a main catalyst, a cocatalyst and an auxiliary catalyst, the main catalyst is para-toluenesulfonic acid or dodecylbenzene sulfonic acid, the cocatalyst is phosphoric acid or sulfurous acid, and the auxiliary catalyst is sulfamic acid; (2) cooling and adding an alkaline substance until the pH value of a system is neutralized to be 6 to 8 to obtain a mixture of the alkyl glucoside and the fatty alcohol; and (3) removing the fatty alcohol under high vacuum, adding water until the solid content of the system is 45 to 50 weight percent, and adding the alkaline substance to adjust the pH value of the system to be 12 to 14 to obtain the product. 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The method for preparing the alkyl glucoside comprises the following steps of: (1) performing vacuum reaction on glucose and C8-C12 fatty alcohol in the presence of a composite catalyst for 2 to 8 hours, wherein the composite catalyst consists of a main catalyst, a cocatalyst and an auxiliary catalyst, the main catalyst is para-toluenesulfonic acid or dodecylbenzene sulfonic acid, the cocatalyst is phosphoric acid or sulfurous acid, and the auxiliary catalyst is sulfamic acid; (2) cooling and adding an alkaline substance until the pH value of a system is neutralized to be 6 to 8 to obtain a mixture of the alkyl glucoside and the fatty alcohol; and (3) removing the fatty alcohol under high vacuum, adding water until the solid content of the system is 45 to 50 weight percent, and adding the alkaline substance to adjust the pH value of the system to be 12 to 14 to obtain the product. By the method, the final yield of the product is more than 155 perc</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY DERIVATIVES THEREOF METALLURGY NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY SUGARS |
| title | Method for preparing alkyl glucoside |
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