CAS: 5630-83-1; Triethoxysilylmethyl Acetate

上下游产品

Triethoxysilane acetylacetone chloromethyltriethoxysilane potassium acetate

氯甲基三乙氧基硅烷,Potassium Acetate置于四正丁基溴化膦体系中,化学反应 7.0H,以91%的收率获得产物乙酰氧基甲基三乙氧基硅烷
参考文献:通过有机锡(iv)催化(乙酰氧基甲基)烷氧基硅烷的酯交换反应合成2,2,5,5-四取代的1,4-Dioxa-2,5-二硅双环己烷
标题:通过有机锡(iv)催化(乙酰氧基甲基)烷氧基硅烷的酯交换反应合成2,2,5,5-四取代的1,4-Dioxa-2,5-二硅双环己烷
摘要:(乙酰氧基)硅烷2,7-ç,和10-ç具有至少一个烷氧基的通式,(acoch 2)的si(or)3-ñ(ch 3)ñ(r:Me等,我镨; ñ = 0,1,2),由相应的(氯甲基)硅烷的合成1,6-ç,和9-ç相转移催化的条件下通过用乙酸钾.发现这些化合物可提供2,2,5,5-有机取代的1,4-二氧杂-2-2,5-二硅环己烷3,8-ç,和11-ç如果与有机锡(iv)处理的催化剂,例如二辛基氧化锡.反应通过乙酰氧基和烷氧基单元的酯交换反应进行,然后闭环形成二聚六元环.相应的乙酸烷基酯作为反应副产物形成.在这些温和条件下,该方法克服了以前报道的合成路线的缺点,可提供2,2,5,5-四甲基-1,4-二氧杂-2-2,5-二硅环己烷(3),甚至可以以高收率和高纯度合成在硅原子上带有水解不稳定的烷氧基取代基的1,4-二氧杂-2-2,5-二硅环己烷.这些新材料已通过NMR光谱,元素分析,质谱和x射线分析(trans
DOI:10.1002/chem.201202124

专利信息

专利号:US-6177534-B1
优先权日:1997-12-23
标题 :Silylated resins and the synthesis thereof
发明人：ANTONUCCI JOSEPH M; STANSBURY JEFFREY W; FOWLER BRUCE O
权利人:US COMMERCE
摘要:A silylated resin suitable for use as an adhesive binder for composites and in sealant and adhesive dental applications is represented by the general formula (I): n in which: n R 1 is an aliphatic, cycloaliphatic, aryl, hydrocarbon, or fluorocarbon group; n R 2 is the same as R 1 or a different aliphatic, cycloaliphatic, aryl, hydrocarbon, or fluorocarbon group; n M 2 is the same as M 1 or a different functional or nonfunctional group selected from the group consisting of: n n is 1-3; n x is 1-20; and n y is 1-20; n which comprises the reaction product of the exchange reaction of a hydroxylated, aminated, or carboxylated acrylic resin represented by the general formula (II): n in which: n R 4 is an aliphatic, cycloaliphatic, aryl, hydrocarbon, or fluorocarbon group with one or more protic functional groups selected from the group consisting of: n n n OH, N—H, and CO 2 H n n n R 5 is H or CH 3 ; and n R 6 is H or CH 3 ; n with a trialkoxyorganosilane or triacyloxyorganosilane represented by the general formula (III): n in which: n R 7 , R 8 , and R 9 each is: n R 10 is an aliphatic, or aryl group which can optionally be substituted with a group from the group of an acrylic group, a methacrylic group, an epoxy group, and a substituted amino, hydroxyl, or carboxylic acid group such as an ester or an amide.