FIELD: inorganic compounds technology. SUBSTANCE: method consists in reaction of Si-Y, wherein Y represents Cl, Br, or I, and dendrimer carbosilanes with water in presence of a base or mixture of bases and organic solvent, organic solvent-to-water weight ratio being (0.5-1.4):1. EFFECT: simplified processing of product and increased yield to 97%. 6 cl, 10 ex
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