17018-07-4Relevant articles and documents
Synthesis method of diallyl glyceryl ether
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Paragraph 0031; 0032; 0033; 0034; 0035; 0036; 0037-0039, (2017/08/25)
The invention discloses a synthesis method of diallyl glyceryl ether. Strong acid ion exchange resin supported SnCl4 is used as a catalyst, allyl glycidyl ether and excessive allyl alcohol undergo an open-loop reaction, the catalyst is recovered by filtering, the excessive allyl alcohol is recovered by distillation, and a target product, diallyl glyceryl ether, is obtained by reduced pressure distillation. Compared with the traditional process, the synthesis method of diallyl glyceryl ether has the advantages that the process flow is short, the reaction condition is mild, and the operation is simple and convenient; the raw materials are readily available, and the product yield is high; the catalyst has low corrosion and can be recycled, and the process is clean and can be put into industrialization easily.
Synthesis of bi- and tetracatenar highly fluorinated compounds for grafting on silicone materials
Malfait, Stéphane,Gérard, Stéphane,Plantier-Royon, Richard,Mignani, Gérard,Portella, Charles
scheme or table, p. 760 - 766 (2011/10/05)
A series of highly fluorinated compounds bearing two or four perfluoroalkyl (RF) chains, with a flexible or rigid core have been synthesized. Radical additions, nucleophilic addition or condensation reactions were implemented for these synthesi
Magnesium hydrogensulfate: A cheap and efficient catalyst for the conversion of epoxides into β-alkoxy alcohols, vicinal-diols, and thiiranes
Salehi, Peyman,Khodaei, Mohammad Mahdi,Zolfigol, Mohammad Ali,Keyvan, Afsaneh
, p. 3041 - 3048 (2007/10/03)
The nucleophilic ring opening reactions of epoxides by aliphatic alcohols and water are achieved efficiently in the presence of catalytic amounts of magnesium hydrogensulfate, Mg(HSO4)2, with high degree of regioselectivity. The reactions are chemoselective and many of the other functional groups such as ethereal carbon oxygen bonds as well as carbon-carbon double bond remain intact under the reaction conditions. Epoxides also react with thiourea or ammonium thiocyanate in the presence of Mg(HSO 4)2 to afford the corresponding thiiranes in good to excellent yields.