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The silanol is configurative and condensation stable in solution and shows stereoselective transformations with a clean stereospecific pathway in follow\u2010up reactions, which leads to the isolation of a silicon\u2010stereogenic zinc complex and siloxane compounds. Investigations with <jats:sup>18<\/jats:sup>O\u2010labelled water and mass spectrometry analysis revealed an otherwise hidden exchange of oxygen atoms of silanol and water in solution that proceeds with retention of the configuration at the silicon center. 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