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US 4,305,883 AGranted
Process for the preparation of bis-(cyanoethyl) tin dihalides
AssigneeAkzo N.V.
InventorJoseph W. Burley
Life of this patent
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Abstract
In the process of this invention bis-(cyanoethyl) tin dihalides are prepared by reacting metallic tin with acrylonitrile and hydrogen halide in an inert solvent.
Claims3
Process for preparing an organotin dihalide of the general formula
- X.sub.2 Sn(CH.sub.2 --CH.sub.2 --CN).sub.2
- wherein X is either chlorine or bromine, which comprises reacting in an inert solvent medium metallic tin with acrylonitrile and either hydrogen chloride or hydrogen bromide in the absence of other reactive compounds, and recovering said organotin dihalide.
Dependencies are inferred from the claim text.