The present invention provides a process for producing: a compound represented by XOR
2
; a dialkyl tin dialkoxide compound having one tin atom, two Sn—R
1
bonds and two Sn—OR
2
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—R
1
bonds and one Sn—OR
2
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—R
1
(wherein R
1
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—R
1
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 R
2
OCOOR
2
(wherein R
2
represents a linear or branched, saturated or unsaturated hydrocarbon group, a hydrocarbon group having a saturated or unsaturated cyclic hydrocarbon substituent, or a Y—CH
2
— 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 R
2
OH (wherein R
2
is the same as defined above).
本发明提供了一种生产过程:产生一个由XOR表示的化合物;具有一个
锡原子、两个Sn—R1键和两个Sn—OR2键的二烷基
锡二烷
氧化合物;和/或具有一个Sn—O—Sn键的四烷基二烷
氧基
二锡烷氧化合物,其中四烷基二烷
氧基
二锡烷氧化合物的每个
锡原子具有两个Sn—R1键和一个Sn—OR2键,所述过程包括在缺乏
催化剂的情况下反应以下所述组中选择的至少一种烷基
锡化合物:
i) 具有一个
锡原子、两个Sn—R1(其中R1代表烷基基团)键和两个Sn—OX键(其中OX是HOX的共轭酸,HOX是具有从0到6.8的pKa的Bronsted酸的群)的二烷基
锡化合物;和
ii) 具有一个Sn—O—Sn键的四烷基
二锡烷氧化合物,其中四烷基
二锡烷氧化合物的每个
锡原子具有两个Sn—R1键和一个Sn—OX键(其中OX是HOX的共轭酸,HOX是具有从0到6.8的pKa的Bronsted酸的群);和
由R2OCOOR2(其中R2代表线性或支链、饱和或不饱和
碳氢基团、具有饱和或不饱和
环烃取代基的
碳氢基团,或Y—
CH2—基团(其中Y代表烷基多聚
烯基基团、芳香基团或环状饱和或不饱和烷基醚基团))表示的
碳酸酯;和/或
由R2OH(其中R2与上述定义相同)表示的醇。