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Identifier	000406931
Title	Αντίδραση καρβονυλικών ενώσεων με σιλυλοβαράνια καταλυόμενη από νανοσωματίδια χρυσού
Alternative Title	Reaction of carbonyl compounds with silylboranes catalyzed by gold nanoparticles
Author	Μουλάι, Ανίσα
Thesis advisor	Στρατάκης, Μανώλης
Reviewer	Βασιλικογιαννάκης, Γεώργιος Σμόνου, Ιουλία
Abstract	Recent studies of our research group have shown that gold nanoparticles activate the Si-B bond of PhMe2Si-Bpin complex, with subsequent addition of alkynes and cyclic ethers. In the present work, we studied the reaction of PhMe2Si-Bpin with carbonyl compounds in the presence of gold nanoparticles. The formation of silyloxy pinacol-type coupling products was observed in high yields. The reaction probably proceeds through a free radical mechanism as shown by preliminary experiments using a cyclopropyl-substituted aldehyde which underwent ring opening silaboration. A further indication for the existence of a radical pathway, was the trapping of intermediate by the free radical tempo. This reaction is unknown in the literature and can be utilized for the development of new methodologies in organic synthesis.
Language	Greek
Subject	Ετερογενής κατάλυση
	Ηeterogeneous catalysis.
	Καρβονυλικές ενώσεις
Issue date	2017-03-17
Collection	School/Department--School of Sciences and Engineering--Department of Chemistry--Post-graduate theses
	Type of Work--Post-graduate theses
Permanent Link	https://elocus.lib.uoc.gr//dlib/a/0/0/metadata-dlib-1488795575-49956-18298.tkl
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