To provide α-substituted vinyltin useful for the search for function-developing substances such as pharmaceuticals/agrichemicals and functional materials and for the construction of a compound library.
An α-substituted vinyltin compound represented by the formula (1), a tautomer or salt of the compound or a solvate thereof:
R
2
CH═C(R
3
)Sn(R
1
)
3
(1)
wherein R
1
is a C
1-10
alkyl group, a C
2-14
aryl group or the like, R
2
is a C
2-14
aryl group, a C
2-9
heterocyclyl group, a C
3-10
cycloalkyl group or the like, and R
3
is a carbamoyl group, a thiocarbamoyl group, an isocyanate group, an isothiocyanate group, a formylamino group, a thioformylamino group, an isonitrile group, an urea group, a carbamate group or the like.