2015
DOI: 10.1002/ange.201500750
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Eine Mischung deuteriummarkierter Silane als einfache mechanistische Sonde, die ohne Bestimmung von absoluten Konfigurationen auskommt

Abstract: Es wird über die Synthese und den Einsatz einer neuen stereochemischen Sonde für Mechanismen am Siliciumatom eines deuteriummarkierten Silolans berichtet. Der zentrale Syntheseschritt ist die Hydrierung eines 2,5‐Dihydrosilols mit Deuteriumgas, was zu einer komplexen Mischung isochroner Stereoisotopologe führt. Das gesamte stereochemische Ungleichgewicht dieser Mischung ist aus ihrem 2H‐NMR‐Spektrum ersichtlich, und das bietet ein gutes qualitatives Maß für Konfigurationsänderungen am Siliciumatom. Das Verfahr… Show more

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Cited by 16 publications
(5 citation statements)
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“…[14] In the past, the concept of using chiral silanes as mechanistic probes has been demonstrated successful regarding other systems. [15][16][17] However, the preparation of Si-chiral compounds has proven challenging in the past due to limited access to suitable prochiral or chiral precursors. [18][19][20][21][22][23][24][25] Combined with the metastability of silanols, which can lead to undesirable selfcondensation processes to siloxanes, this creates a major synthetic hurdle.…”
Section: Introductionmentioning
confidence: 99%
See 4 more Smart Citations
“…[14] In the past, the concept of using chiral silanes as mechanistic probes has been demonstrated successful regarding other systems. [15][16][17] However, the preparation of Si-chiral compounds has proven challenging in the past due to limited access to suitable prochiral or chiral precursors. [18][19][20][21][22][23][24][25] Combined with the metastability of silanols, which can lead to undesirable selfcondensation processes to siloxanes, this creates a major synthetic hurdle.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, especially Si‐chiral silanols could serve as an efficient chiral probe, providing new insights into downstream processes such as silanol condensation, which would be useful for silicone and siloxane material chemistry to optimize and synthesize improved products [14] . In the past, the concept of using chiral silanes as mechanistic probes has been demonstrated successful regarding other systems [15–17] …”
Section: Introductionmentioning
confidence: 99%
See 3 more Smart Citations