Sheldrick, George M.

[["dc.bibliographiccitation.firstpage","33"],["dc.bibliographiccitation.journal","Journal of Organometallic Chemistry"],["dc.bibliographiccitation.lastpage","39"],["dc.bibliographiccitation.volume","452"],["dc.contributor.author","Oehme, Hartmut"],["dc.contributor.author","Wustrack, R."],["dc.contributor.author","Heine, Andreas"],["dc.contributor.author","Sheldrick, George M."],["dc.contributor.author","Stalke, Dietmar"],["dc.date.accessioned","2009-07-01T10:42:28Z"],["dc.date.accessioned","2021-10-27T13:12:34Z"],["dc.date.available","2009-07-01T10:42:28Z"],["dc.date.available","2021-10-27T13:12:34Z"],["dc.date.issued","1993"],["dc.description.abstract","Das Reaktionsverhalten von (Me3Si)3SiLi (1) mit Aceton wurde durch die Strukturanalyse und 29Si-NMR-Untersuchungen von H(Me3Si)2Si---(Me3Si)2Si---CMe2SiMe3 (3) und (Me3Si)3Si---(Me3Si)2Si---CMe2SiMe3 (4) aufgeklärt. Die zwar chemisch aber nicht kristallographisch äquivalenten Siliciumatome in 3 und 4 und die zwei kristallographisch unabhängigen Moleküle in 4 lassen sich alle im 29Si-MAS-CP-Spektrum auflösen. Die 1J(29Si, 29Si)-Kopplungen in Lösung erleichtern dabei das Zuordnen der 29Si-Resonanzen. Abstract: The reaction of (Me3Si)3SiLi (1) with acetone has been clarified with the aid of crystal structure and 29p. NMR investigations of H(Me3Si)2Si---(Me3Si)2Si---CMe2SiMe3 (3) and (Me3Si)3Si---(Me3Si)2Si---CMe2SiMe3 (4). The chemically but not crystallographically equivalent silicon atoms in 3 and 4 and the two crystallographically independent molecules of 4 all gave rise to separate signals in the solid state 29Si-MAS NMR spectra. The 1J(29Si, 29Si) couplings observed in solution facilitated the assignment of 29Si resonances."],["dc.format.mimetype","application/pdf"],["dc.identifier.doi","10.1016/0022-328X(93)83169-V"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?goescholar/3375"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/91703"],["dc.language.iso","de"],["dc.notes.intern","Migrated from goescholar"],["dc.relation.orgunit","Fakultät für Chemie"],["dc.rights","Goescholar"],["dc.rights.access","openAccess"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject","anorganische Chemie"],["dc.subject.ddc","540"],["dc.title","Strukturuntersuchungen an den Produkten aus der Reaktion des Tris(trimethylsilyl)silyllithiums mit Aceton"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Journal of Organometallic Chemistry"],["dc.bibliographiccitation.lastpage","7"],["dc.bibliographiccitation.volume","386"],["dc.contributor.author","Bromm, Dietmar"],["dc.contributor.author","Stalke, Dietmar"],["dc.contributor.author","Heine, Andreas"],["dc.contributor.author","Meller, Anton"],["dc.contributor.author","Sheldrick, George M."],["dc.date.accessioned","2009-06-24T04:58:11Z"],["dc.date.accessioned","2021-10-27T13:11:54Z"],["dc.date.available","2009-06-24T04:58:11Z"],["dc.date.available","2021-10-27T13:11:54Z"],["dc.date.issued","1990"],["dc.description.abstract","Aus Reaktionen subvalenter Species, die durch die Reaktion von Dichlor(diisopropylamino)boran mit Natrium/Kalium Legierung entstehen, mit ungesättigten aliphatischen Kohlenwasserstoffen, wurden folgende Verbindungen isoliert: Mit 1,3-Dienen die 2,5-Dihydroborole I und II; mit Alkinen die 1,3-Dihydro-1,3-diborete III und IV und mit Bis(trimethylsilyl)ethin das 1-Bis(diisopropylamino)boryl-2-trimethylsilylethin V. Die Verbindungen sind elementaranalytisch, spektroskopisch (Mp. NMR: 1H, 11B und 13C, zum Teil auch 15N und 29Si) charakterisiert. Von II wurde eine Röntgenstrukturanalyse angefertigt. Abstract: The reactions of subvalent species generated by the reaction of dichloro(diisopropylamino)borane with sodium/potassium alloy with unsaturated aliphatic hydrocarbons, have yielded the following compounds: the 2,5-dihydroboroles I and II from 1,3-dienes; the 1,3-dihydrodiboretes III and IV from alkynes and the 1-bis(diisopropylamino)boryl-2-trimethylsilylethyne V from bis(trimethylsilyl)ethyne. The compounds have been characterized by elemental analyses and by mass and NMR (1H, 11B, 13C and in part 15N and 29Si) spectroscopy. An X-ray diffraction study has been performed on II."],["dc.format.mimetype","application/pdf"],["dc.identifier.doi","10.1016/0022-328X(90)80251-T"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?goescholar/3303"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/91638"],["dc.language.iso","de"],["dc.notes.intern","Migrated from goescholar"],["dc.relation.orgunit","Fakultät für Chemie"],["dc.rights","Goescholar"],["dc.rights.access","openAccess"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject","anorganische Chemie"],["dc.subject.ddc","540"],["dc.title","2,5-Dihydroborole und 1,3-dihydro-1,3-diborete aus 1,3-dienen und aus alkinen durch umsetzung mit dichlor(diisopropylamino)boran und alkalimetallen"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","742"],["dc.bibliographiccitation.issue","10"],["dc.bibliographiccitation.journal","Journal of the Chemical Society. Chemical communications"],["dc.bibliographiccitation.lastpage","743"],["dc.contributor.author","Heine, Andreas"],["dc.contributor.author","Fest, Dietmar"],["dc.contributor.author","Stalke, Dietmar"],["dc.contributor.author","Habben, Carl D."],["dc.contributor.author","Meller, Anton"],["dc.contributor.author","Sheldrick, George M."],["dc.date.accessioned","2009-06-24T10:56:41Z"],["dc.date.accessioned","2021-10-27T13:12:37Z"],["dc.date.available","2009-06-24T10:56:41Z"],["dc.date.available","2021-10-27T13:12:37Z"],["dc.date.issued","1990"],["dc.description.abstract","1,3,5,7-Tetra-t-butyl-4,8-Biphenyl-1,3,5,7-tetra-aza-2,6-diplumba-4,8-diboratricyclo[4.2.0.02,5]octane-1,5-diium-2,6-diide(1)hasbeen obtained from PhB(NButLi)2 and PbCl4in hexane or from PbCl2 intetrahydrofuran and structurally characterised by X-ray diffraction."],["dc.format.mimetype","application/pdf"],["dc.identifier.doi","10.1039/C39900000742"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?goescholar/3309"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/91708"],["dc.language.iso","en"],["dc.notes.intern","Migrated from goescholar"],["dc.relation.orgunit","Fakultät für Chemie"],["dc.rights","Goescholar"],["dc.rights.access","openAccess"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject","anorganische Chemie"],["dc.subject.ddc","540"],["dc.title","Synthesis and X-ray crystal structure of a tricyclic lead–nitrogen–boron heterocycle"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","741"],["dc.bibliographiccitation.issue","10"],["dc.bibliographiccitation.journal","Journal of the Chemical Society. Chemical communications"],["dc.bibliographiccitation.lastpage","742"],["dc.contributor.author","Meller, Anton"],["dc.contributor.author","Bromm, Dietmar"],["dc.contributor.author","Maringgele, Walter"],["dc.contributor.author","Heine, Andreas"],["dc.contributor.author","Stalke, Dietmar"],["dc.contributor.author","Sheldrick, George M."],["dc.date.accessioned","2009-06-24T10:52:02Z"],["dc.date.accessioned","2021-10-27T13:11:57Z"],["dc.date.available","2009-06-24T10:52:02Z"],["dc.date.available","2021-10-27T13:11:57Z"],["dc.date.issued","1990"],["dc.format.mimetype","application/pdf"],["dc.identifier.doi","10.1039/C39900000741"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?goescholar/3308"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/91644"],["dc.language.iso","en"],["dc.notes.intern","Migrated from goescholar"],["dc.relation.orgunit","Fakultät für Chemie"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject","anorganische Chemie"],["dc.subject.ddc","540"],["dc.title","1,4,6-Tris(di-isopropylamino)-1,4,6-triboraspiro[4.4]nona-2,8-diene from the reaction of benzene with subvalent boron species"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]