@article{TackeWiesenbergerBeckeretal.1992, author = {Tacke, Reinhold and Wiesenberger, F. and Becker, B. and Rohr-Aehle, R. and Schneider, P. B. and Ulbrich, U. and Sarge, S. M. and Cammenga, H. K. and Koslowski, T. and Niessen, W. von}, title = {Ester von (Hydroxymethyl)diorganylsilanen: Synthese und thermisch induzierte Umlagerung}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-64188}, year = {1992}, abstract = {Twenty silanes of the type R\(^1\)R\(^2\)Si(H)CH\(_2\)OR\(^3\) (A) were syn- and entropy of activation) of these reactions were studied by thesized {R\(^1\), R\(^2\) = Me, Ph, 1-naphthyl, PhCH\(_2\), Me\(_3\)SiCH\(_2\); OR\(^3\) means of d{\"u}ferential scanning calorimetry (DSC). In addition, = OC(O)Me, OC(O)Ph, OC(O)CF\(_3\) , OS(0)\(_2\)CF\(_3\), OP(O)Ph\(_2\), the kinetics of all reactions were investigated by 1H-NMR OC(O)Cl, and studied for their thermal behaviour. The silanes spectroscopy. The transition state of the rearrangement was A undergo a thermally induced rearrangement to give the investigated by an ab initio study based on the model comcorresponding silanes R\(^1\)R\(^2\)Si(OR\(^3\))Me (B). For compounds with pound H\(_3\)SiCH\(_2\)OC(O)H (-> MeH\(_2\)SiOC(O)H]. The theoretical OR3 = OC(O)Cl, an additional decarboxylation takes place to data and the experimentally obtained energetic and kinetic yield the chlorosilanes R1R2Si(Cl)Me. Except for the deriva- data are discussed in terms of mechanistic aspects of the retives with OR\(^3\) = OC(O)Cl, the energetic (reaction enthalpy) arrangement reaction A -> B. and kinetic data (reaction order, frequency factor, enthalpy ...}, subject = {Anorganische Chemie}, language = {de} } @article{SargeCammengaBeckeretal.1988, author = {Sarge, S. and Cammenga, H. K. and Becker, B. and Rohr-Aehle, R. and Tacke, Reinhold}, title = {Energetic and kinetic investigation of thermally induced molecular rearrangements of esters of (hydroxymethyl)hydridosilanes by DSC}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-63850}, year = {1988}, abstract = {No abstract available}, subject = {Anorganische Chemie}, language = {en} }