Ghadwal, Rajendra Singh

[["dc.bibliographiccitation.firstpage","3853"],["dc.bibliographiccitation.issue","14"],["dc.bibliographiccitation.journal","Organometallics"],["dc.bibliographiccitation.lastpage","3858"],["dc.bibliographiccitation.volume","30"],["dc.contributor.author","Azhakar, Ramachandran"],["dc.contributor.author","Ghadwal, Rajendra S."],["dc.contributor.author","Roesky, Herbert W."],["dc.contributor.author","Hey, Jakob"],["dc.contributor.author","Stalke, Dietmar"],["dc.date.accessioned","2018-11-07T08:54:12Z"],["dc.date.available","2018-11-07T08:54:12Z"],["dc.date.issued","2011"],["dc.description.abstract","The reactions of L [PhC(NtBu)(2)SiCl] and L' [CH{(C=CH2)(CMe)(2,6-iPr(2)C(6)H(3)N)(2)}Si] with monoketones and quinone have been examined. The reaction of L with 2-adamantanone furnishes a [1 + 2]-cycloaddition product 1, whereas with 3,5-di-tert-butyl-o-benzoquinone leads to the [1 + 4]-ycloaddition product 2. The treatment of L' with 3,5-di-tert-butyl-o-benzoquinone gives [1 + 4]-cycloaddition product 3, and the reaction with acylferrocene yields compound 4. Compounds 1-4 were characterized by single crystal X-ray structural analysis, NMR spectroscopy, EI-MS spectrometry, and elemental analysis."],["dc.identifier.doi","10.1021/om200388a"],["dc.identifier.isi","000292847900020"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/8950"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/22618"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Amer Chemical Soc"],["dc.relation.issn","0276-7333"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Reactions of Stable N-Heterocyclic Silylenes with Ketones and 3,5-Di-tert-butyl-o-benzoquinone"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","8502"],["dc.bibliographiccitation.issue","17"],["dc.bibliographiccitation.journal","Inorganic Chemistry"],["dc.bibliographiccitation.lastpage","8508"],["dc.bibliographiccitation.volume","50"],["dc.contributor.author","Ghadwal, Rajendra S."],["dc.contributor.author","Azhakar, Ramachandran"],["dc.contributor.author","Proepper, Kevin"],["dc.contributor.author","Holstein, Julian Jacob"],["dc.contributor.author","Dittrich, Birger"],["dc.contributor.author","Roesky, Herbert W."],["dc.date.accessioned","2018-11-07T08:51:49Z"],["dc.date.available","2018-11-07T08:51:49Z"],["dc.date.issued","2011"],["dc.description.abstract","Reactions of N-heterocyclic carbene stabilized dichlorosilylene IPr center dot SiCl2 (1) (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) with (eta(5)-C5H5)V(CO)(4), (eta(5)-C5H5)Co(CO)(2), and Fe-2(CO)(9) afford dichlorosilylene complexes IPr center dot SiCl2 center dot V(CO)(3)(eta(5)-C5H5) (2), IPr center dot SiCl2 center dot Co(CO)-(eta(5)-C5H5) (3), and IPr center dot SiCl2 center dot Fe(CO)(4) (4), respectively. Complexes 2-4 are stable under an inert atmosphere, are soluble in common organic solvents, and have been characterized by elemental analysis and multinudear (H-1, C-13, and Si-29) NMR spectroscopy. Molecular structures of 2-4 have been determined by single crystal X-ray crystallographic studies and refined with nonspherical scattering factors."],["dc.identifier.doi","10.1021/ic201096c"],["dc.identifier.isi","000294242700074"],["dc.identifier.pmid","21780764"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/9434"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/22025"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Amer Chemical Soc"],["dc.relation.issn","0020-1669"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","N-Heterocyclic Carbene Stabilized Dichlorosilylene Transition-Metal Complexes of V(I), Co(I), and Fe(0)"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","9601"],["dc.bibliographiccitation.issue","32"],["dc.bibliographiccitation.journal","Dalton Transactions"],["dc.bibliographiccitation.lastpage","9603"],["dc.bibliographiccitation.volume","41"],["dc.contributor.author","Azhakar, Ramachandran"],["dc.contributor.author","Roesky, Herbert W."],["dc.contributor.author","Ghadwal, Rajendra S."],["dc.contributor.author","Holstein, Julian Jacob"],["dc.contributor.author","Dittrich, Birger"],["dc.date.accessioned","2018-11-07T09:15:07Z"],["dc.date.available","2018-11-07T09:15:07Z"],["dc.date.issued","2012"],["dc.description.abstract","The three-membered silacyclic ring compounds LSi[N-2(Ph)(2)]-tBu (1), LSi[HCN(Ph)(2)]tBu (2) and LSi[C-2(Ph)(2)]tBu (3) were obtained by the treatment of base stabilized monoalkylsilylenes LSitBu (L = PhC(NtBu)(2)) with PhN=NPh, PhN=CHPh and PhC CPh. The reaction of PhN=NPh and PhC CPh with LSitBu shows a different reactivity pattern with base stabilized monochlorosilylene LSiCl. The arrangement of the three-membered ring (SiNN) in 1 is the first structurally isolated example of a siladiaziridine compound."],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft; Alexander von Humboldt Stiftung"],["dc.identifier.doi","10.1039/c2dt31326j"],["dc.identifier.isi","000306749100006"],["dc.identifier.pmid","22785327"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10214"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/27598"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Royal Soc Chemistry"],["dc.relation.issn","1477-9226"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","An access to base-stabilized three-membered silicon heterocycles"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","5987"],["dc.bibliographiccitation.issue","53"],["dc.bibliographiccitation.journal","Chemical Communications"],["dc.bibliographiccitation.lastpage","5989"],["dc.bibliographiccitation.volume","49"],["dc.contributor.author","Ghadwal, Rajendra S."],["dc.contributor.author","Azhakar, Ramachandran"],["dc.contributor.author","Proepper, Kevin"],["dc.contributor.author","Dittrich, Birger"],["dc.contributor.author","John, Michael"],["dc.date.accessioned","2018-11-07T09:29:55Z"],["dc.date.available","2018-11-07T09:29:55Z"],["dc.date.issued","2013"],["dc.description.abstract","Functionalization of N-heterocyclic carbenes (NHCs) has an important influence on their stability, Lewis donor, and acceptor properties. In this study, we report on the selective functionalization of a four-membered N-heterocyclic bis-silylene (2,6-Ar2C6H3NSi:)(2) (1) (Ar = 2,4,6-iPr(3)C(6)H(2)) with mono-oxygen sources N2O and Me3NO. Treatment of 1 with N2O results in the selective formation of mono-silylene (2,6-Ar2C6H3NSi(OH)(2))(2,6-Ar2C6H3NSi:) (2) as a major product, along with a small amount of further oxidized product (2,6-Ar2C6H3NSi(OH)(2))(2) (3). Compound 2 is the first four-membered mono-silylene with a di-coordinate silicon atom."],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft"],["dc.identifier.doi","10.1039/c3cc43199a"],["dc.identifier.isi","000319987600025"],["dc.identifier.pmid","23715462"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10198"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/31171"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Royal Soc Chemistry"],["dc.relation.issn","1359-7345"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Selective functionalization of a bis-silylene"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1529"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Dalton Transactions"],["dc.bibliographiccitation.lastpage","1533"],["dc.bibliographiccitation.volume","41"],["dc.contributor.author","Azhakar, Ramachandran"],["dc.contributor.author","Ghadwal, Rajendra S."],["dc.contributor.author","Roesky, Herbert W."],["dc.contributor.author","Hey, Jakob"],["dc.contributor.author","Stalke, Dietmar"],["dc.date.accessioned","2018-11-07T09:15:53Z"],["dc.date.available","2018-11-07T09:15:53Z"],["dc.date.issued","2012"],["dc.description.abstract","The reaction of N-heterocyclic silylene (NHSi) L [L = CH{(C=wCH(2))(CMe)(2,6-iPr(2)C(6)H(3)N)(2)}Si] with benzoylhydrazine, 1,2-dicarbethoxyhydrazine, 1,2-diacetylhydrazine and 1,2-bis(tert-butoxycarbonyl)-hydrazine in 1 : 1 molar ratio resulted in compounds 1-4 with an almost quantitative yield and five coordinate silicon atoms. Compounds 1-4 were formed by double N-H bond activation by deliberate selection of N,N'-bis-substituted hydrazine compounds bearing the -C(O)NHNH- unit. Compounds 1-4 were characterized by NMR spectroscopy, EI-MS and elemental analysis. The molecular structures of compounds 1-3 were unambiguously established by single crystal X-ray structural analysis."],["dc.identifier.doi","10.1039/c1dt11708d"],["dc.identifier.isi","000299054500017"],["dc.identifier.pmid","22159089"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10271"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/27808"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Royal Soc Chemistry"],["dc.relation.issn","1477-9226"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Double N-H bond activation of N,N '-bis-substituted hydrazines with stable N-heterocyclic silylene"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","10277"],["dc.bibliographiccitation.issue","28"],["dc.bibliographiccitation.journal","Dalton Transactions"],["dc.bibliographiccitation.lastpage","10281"],["dc.bibliographiccitation.volume","42"],["dc.contributor.author","Azhakar, Ramachandran"],["dc.contributor.author","Ghadwal, Rajendra S."],["dc.contributor.author","Roesky, Herbert W."],["dc.contributor.author","Hey, Jakob"],["dc.contributor.author","Krause, Lennard"],["dc.contributor.author","Stalke, Dietmar"],["dc.date.accessioned","2018-11-07T09:29:48Z"],["dc.date.available","2018-11-07T09:29:48Z"],["dc.date.issued","2013"],["dc.description.abstract","The first carbonyl free mixed valence cobalt(I)/cobalt(II) compound [2{L2Co(I)(eta(6)-C7H8)}](2+) [Co(II)(2)Cl-6](2-) (1) [L = PhC((NBu)-Bu-t)(2)SiCl] was obtained by the reaction of four equivalents of anhydrous CoCl2 with five equivalents of N-heterocyclic chlorosilylene L. In contrast, the reaction of L with CoBr2 yielded [L2CoBr2] (2). Compound 1 was formed by the cleavage of Co-Cl bonds, the reduction of Co(II) to Co(I) and by the coordination of a toluene molecule. The chlorosilylene (L) functions as a reducing agent as well as a neutral sigma-donor ligand. The toluene molecule coordinates to the Co(I) atom in an eta(6)-fashion."],["dc.identifier.doi","10.1039/c3dt50939g"],["dc.identifier.isi","000320874600026"],["dc.identifier.pmid","23732516"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10779"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/31136"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Royal Soc Chemistry"],["dc.relation.issn","1477-9226"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Mixed valence eta(6)-arene cobalt(I) and cobalt(II) compound"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]