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    • 7. 发明申请
    • Process for Production of Alkyl Tin Alkoxide Compound, and Process for Production of Carbonic Acid Ester Using the Compound
    • 烷基锡醇化合物的制备方法以及使用该化合物生产碳酸酯的方法
    • US20100292496A1
    • 2010-11-18
    • US12811335
    • 2009-03-31
    • Masaaki ShinohataNobuhisa Miyake
    • Masaaki ShinohataNobuhisa Miyake
    • C07F7/00C07C69/96
    • C07C68/04C07F7/2224C07C69/96
    • The present invention provides a process for producing: a compound represented by XOR2; a dialkyl tin dialkoxide compound having one tin atom, two Sn—R1 bonds and two Sn—OR2 bonds; and/or a tetraalkyl dialkoxy distannoxane compound having one Sn—O—Sn bond, in which each tin atom of the tetraalkyl dialkoxy distannoxane compound has two Sn—R1 bonds and one Sn—OR2 bond, the process comprising reacting in the absence of a catalyst at least one alkyl tin compound selected from the group consisting of i) and ii) below: i) a dialkyl tin compound having one tin atom, two Sn—R1 (wherein R1 represents an alkyl group) bonds, and two Sn—OX bonds (wherein OX is a group in which HOX that is a conjugate acid of OX is a Bronsted acid having a pKa of from 0 to 6.8); and ii) a tetraalkyl distannoxane compound having one Sn—O—Sn bond, in which each tin atom of the tetraalkyl distannoxane compound has two Sn—R1 bonds and one Sn—OX bond (wherein OX is a group in which HOX that is a conjugate acid of OX is a Bronsted acid having a pKa of from 0 to 6.8); and a carbonic acid ester represented by R2OCOOR2 (wherein R2 represents a linear or branched, saturated or unsaturated hydrocarbon group, a hydrocarbon group having a saturated or unsaturated cyclic hydrocarbon substituent, or a Y—CH2— group (wherein Y represents an alkyl polyalkylene group, an aromatic group or a cyclic saturated or unsaturated alkylene ether group)), and/or an alcohol represented by R2OH (wherein R2 is the same as defined above).
    • 本发明提供一种制备:由XOR2表示的化合物; 具有一个锡原子的二烷基锡二醇盐化合物,两个Sn-R 1键和两个Sn-OR 2键; 和/或具有一个Sn-O-Sn键的四烷基二烷氧基二锡氧烷化合物,其中四烷基二烷氧基二锡氧烷化合物的每个锡原子具有两个Sn-R 1键和一个Sn-OR 2键,该方法包括在不存在 催化剂选自i)和ii)中的至少一种烷基锡化合物:i)具有一个锡原子的二烷基锡化合物,两个Sn-R1(其中R1表示烷基))和两个Sn-OX 键(其中OX是其中OX的共轭酸的HOX是pKa为0至6.8的布朗斯台德酸的基团); 和ii)具有一个Sn-O-Sn键的四烷基二锡氧烷化合物,其中四烷基二锡氧烷化合物的每个锡原子具有两个Sn-R 1键和一个Sn-O X键(其中OX是其中HOX为 OX的共轭酸是pKa为0至6.8的布朗斯台德酸); 和由R2OCOOR2表示的碳酸酯(其中R2表示直链或支链,饱和或不饱和烃基,具有饱和或不饱和环烃取代基的烃基或Y-CH2-基团(其中Y表示烷基聚亚烷基 ,芳族基团或环状饱和或不饱和亚烷基醚基团))和/或由R2OH表示的醇(其中R2与上述定义相同)。