Bis[(1,2-dialkoxycarbonyl)ethyl]tin dihalides (II) were synthesized by the direct method; the reaction between tin foil and dialkyl halosuccinates in the presence of accelerators. Besides the main products, [(1,2-dialkoxycarbonyl)ethyl] tin hydroxydibromide (III) was obtained as by-product.
                                    直接法合成了双[(1,2-二烷氧基羰基)乙基]
锡二卤化物(II);
促进剂存在下
锡箔与卤代
琥珀酸二烷基酯之间的反应。除了主要产物外,还获得了[(1,2,-二烷氧基羰基)乙基]羟基
二溴化锡(III)。