Golz, Christopher

[["dc.bibliographiccitation.firstpage","22779"],["dc.bibliographiccitation.issue","50"],["dc.bibliographiccitation.journal","Angewandte Chemie International Edition"],["dc.bibliographiccitation.lastpage","22784"],["dc.bibliographiccitation.volume","59"],["dc.contributor.author","Johannsen, Tim"],["dc.contributor.author","Golz, Christopher"],["dc.contributor.author","Alcarazo, Manuel"],["dc.date.accessioned","2021-04-14T08:32:23Z"],["dc.date.available","2021-04-14T08:32:23Z"],["dc.date.issued","2020"],["dc.description.abstract","Abstract A series of structurally differentiated α‐cationic phospholes containing cyclopropenium, imidazolium, and iminium substituents has been synthesized by reaction of chlorophosphole 1 with the corresponding stable carbenes. Evaluation of the donor properties of these compounds reveals that their strong π‐acceptor character is heavily influenced by the nature of the cationic group. The coordination chemistry of these newly prepared ligands towards AuI centers is also described and their unique electronic properties exploited in catalysis. Interestingly, α‐cationic phosphole containing catalysts were not only able to accelerate model cycloisomerization reactions, but also to efficiently discriminate between concurrent reaction pathways, avoiding the formation of undesired product mixtures."],["dc.description.abstract","A series of α‐cationic phosphole ligands has been synthesized and their use as ancillary ligands explored in Au‐catalysis. If compared with non‐heterocyclic α‐cationic phospines, higher reaction rates and better control of the stereoselectivity are obtained. image"],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659"],["dc.description.sponsorship","H2020 European Research Council http://dx.doi.org/10.13039/100010663"],["dc.identifier.doi","10.1002/anie.202009303"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/83906"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.relation.eissn","1521-3773"],["dc.relation.issn","1433-7851"],["dc.rights","This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made."],["dc.title","α‐Cationic Phospholes: Synthesis and Applications as Ancillary Ligands"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","anie.202207450"],["dc.bibliographiccitation.issue","35"],["dc.bibliographiccitation.journal","Angewandte Chemie International Edition"],["dc.bibliographiccitation.volume","61"],["dc.contributor.affiliation","Karnbrock, Simon B. H.; 1\r\nInstitut für Organische und Biomolekulare Chemie\r\nGeorg-August-Universität Göttingen\r\nTammannstr. 2 37077 Göttingen Germany"],["dc.contributor.affiliation","Golz, Christopher; 1\r\nInstitut für Organische und Biomolekulare Chemie\r\nGeorg-August-Universität Göttingen\r\nTammannstr. 2 37077 Göttingen Germany"],["dc.contributor.affiliation","Mata, Ricardo A.; 2\r\nInstitut für Physikalische Chemie\r\nGeorg-August-Universität Göttingen\r\nTammannstr. 6 37077 Göttingen Germany"],["dc.contributor.affiliation","Alcarazo, Manuel; 1\r\nInstitut für Organische und Biomolekulare Chemie\r\nGeorg-August-Universität Göttingen\r\nTammannstr. 2 37077 Göttingen Germany"],["dc.contributor.author","Alcarazo, Manuel"],["dc.contributor.author","Karnbrock, Simon B. H."],["dc.contributor.author","Golz, Christopher"],["dc.contributor.author","Mata, Ricardo A."],["dc.date.accessioned","2022-07-01T07:35:49Z"],["dc.date.available","2022-07-01T07:35:49Z"],["dc.date.issued","2022"],["dc.date.updated","2022-11-11T13:13:57Z"],["dc.description.abstract","Abstract\r\nWe present herein the synthesis of a nearly square‐pyramidal chlorophosphorane supported by the tetradentate bis(amidophenolate) ligand, N,N′‐bis(3,5‐di‐tert‐butyl‐2‐phenoxy)‐1,2‐phenylenediamide. After chloride abstraction the resulting phosphonium cation efficiently promotes the disproportionation of 1,2‐diphenylhydrazine to aniline and azobenzene. Mechanistic studies, spectroscopic analyses and theoretical calculations suggest that this unprecedented reactivity mode for PV‐centres is induced by the high electrophilicity at the cationic PV‐center, which originates from the geometry constraints imposed by the rigid pincer ligand, combined with the ability of the o‐amidophenolate moieties to act as electron reservoir. This study illustrates the promising role of cooperativity between redox‐active ligands and phosphorus for the design of organocatalysts able to promote redox processes."],["dc.description.abstract","An unprecedented P‐based catalyst able to promote hydrazine disproportionation has been synthesized. The available set of experimental results and theoretical calculations suggest that this reactivity is unlocked by the cooperation between a redox‐active bis(amidophenolate) ligand and the highly electrophilic central P‐atom.\r\n\r\nimage"],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659"],["dc.identifier.doi","10.1002/anie.202207450"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/112272"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-581"],["dc.relation.eissn","1521-3773"],["dc.relation.issn","1433-7851"],["dc.rights","This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes."],["dc.rights.uri","http://onlinelibrary.wiley.com/termsAndConditions#vor"],["dc.title","Ligand Enabled Disproportionation of 1,2‐Diphenylhydrazine at a P(V)‐Center"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","adsc.202100481"],["dc.bibliographiccitation.firstpage","3546"],["dc.bibliographiccitation.issue","14"],["dc.bibliographiccitation.journal","Advanced Synthesis & Catalysis"],["dc.bibliographiccitation.lastpage","3553"],["dc.bibliographiccitation.volume","363"],["dc.contributor.author","Marset, Xavier"],["dc.contributor.author","Recort‐Fornals, Martí"],["dc.contributor.author","Kpante, Malkaye"],["dc.contributor.author","Zieliński, Adam"],["dc.contributor.author","Golz, Christopher"],["dc.contributor.author","Wolf, Lawrence M."],["dc.contributor.author","Alcarazo, Manuel"],["dc.date.accessioned","2021-07-05T14:57:50Z"],["dc.date.available","2021-07-05T14:57:50Z"],["dc.date.issued","2021"],["dc.description.abstract","Abstract A series of strong π‐acceptor polyfluorinated and dicationic chelating phosphines have been synthesized and evaluated in the Rh‐catalysed dimerization of norbornadiene (NBD) into its thermodynamically more stable dimer, heptacyclo[6.6.0.02,6.03,13.04,11.05,9.010,14] tetradecane (HCTD). While dicationic ligands direct the dimerization towards HCTD, by the use of neutral polyfluorinated ancillary ligands endo‐endo‐heptacyclo [8.4.0.02,12.03,8.04,6.05,9.011,13]tetradecane (BINOR−S) is selectively obtained. In addition, a selective Pd‐catalysed arylation at position C8 of the HCTD framework is achieved by the use of a picolylamide directing group previously attached at C1. Theoretical calculations have been performed to understand the origin of that regioselectivity. image"],["dc.description.sponsorship","Deutsche Forschungsgemeischaft"],["dc.description.sponsorship","INST 186/1237-1"],["dc.description.sponsorship","Generalitat Valenciana http://dx.doi.org/10.13039/501100003359"],["dc.identifier.doi","10.1002/adsc.202100481"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/87749"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-441"],["dc.relation.eissn","1615-4169"],["dc.relation.issn","1615-4150"],["dc.rights","This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes."],["dc.title","Towards an Effective Synthesis of Difunctionalized Heptacyclo [6.6.0.0 2,6 .0 3,13 .0 4,11 .0 5,9 .0 10,14 ]tetradecane: Ligand Effects on the Cage Assembly and Selective C−H Arylation Reactions"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","4791"],["dc.bibliographiccitation.issue","30"],["dc.bibliographiccitation.journal","European Journal of Organic Chemistry"],["dc.bibliographiccitation.lastpage","4796"],["dc.bibliographiccitation.volume","2019"],["dc.contributor.author","Rüttger, Franziska"],["dc.contributor.author","Mindt, Sonani"],["dc.contributor.author","Golz, Christopher"],["dc.contributor.author","Alcarazo, Manuel"],["dc.contributor.author","John, Michael"],["dc.date.accessioned","2019-08-05T10:03:54Z"],["dc.date.available","2019-08-05T10:03:54Z"],["dc.date.issued","2019"],["dc.description.abstract","Indocyanine green (ICG) and a second heptamethine cyanine dye were studied in detail using 2D NMR spectroscopy at multiple temperatures. In addition to the all‐trans conformation, we found in both cases a small percentage of a specific β‐γ cis isomer. Exchange rates extrapolated from 2D EXSY spectra under slow exchange conditions are in agreement with that estimated from methine 1H linewidths near coalescence and with previous photo‐isomerization studies. We could also confirm our previous hypothesis that, under aerobic conditions in combination with exposure to daylight, ICG undergoes radical dimerization specifically at the γ position. Introduction"],["dc.identifier.doi","10.1002/ejoc.201900715"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/62278"],["dc.language.iso","en"],["dc.notes.intern","DeepGreen Import"],["dc.relation.issn","1434-193X"],["dc.rights","This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited."],["dc.title","Isomerization and Dimerization of Indocyanine Green and a Related Heptamethine Dye"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","9496"],["dc.bibliographiccitation.issue","28"],["dc.bibliographiccitation.journal","Angewandte Chemie International Edition"],["dc.bibliographiccitation.lastpage","9500"],["dc.bibliographiccitation.volume","58"],["dc.contributor.author","Li, Xiangdong"],["dc.contributor.author","Golz, Christopher"],["dc.contributor.author","Alcarazo, Manuel"],["dc.date.accessioned","2019-09-30T10:41:00Z"],["dc.date.accessioned","2021-10-27T13:12:43Z"],["dc.date.available","2019-09-30T10:41:00Z"],["dc.date.available","2021-10-27T13:12:43Z"],["dc.date.issued","2019"],["dc.description.abstract","The synthesis of 5-(cyano)dibenzothiophenium triflate 9, prepared by activation of dibenzo[b,d]thiophene-5-oxide with Tf2 O and subsequent reaction with TMSCN is reported, and its reactivity as electrophilic cyanation reagent evaluated. The scalable preparation, easy handling and broad substrate scope of the electrophilic cyanation promoted by 9, which includes amines, thiols, silyl enol ethers, alkenes, electron rich (hetero)arenes and polyaromatic hydrocarbons, illustrate the synthetic potential of this reagent. Importantly, Lewis acid activation of the reagent is not required for the transfer process. We additionally report herein biomimetic cyanocyclization cascade reactions, which are not promoted by typical electrophilic cyanation reagents, demonstrating the superior ability of 9 to trigger challenging transformations."],["dc.identifier.doi","10.1002/anie.201904557"],["dc.identifier.eissn","1521-3773"],["dc.identifier.issn","1433-7851"],["dc.identifier.pmid","31091342"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/16427"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/91716"],["dc.language.iso","en"],["dc.notes.intern","Migrated from goescholar"],["dc.relation.issn","1521-3773"],["dc.relation.orgunit","Fakultät für Chemie"],["dc.rights","CC BY-NC-ND 4.0"],["dc.rights.access","openAccess"],["dc.rights.uri","https://creativecommons.org/licenses/by-nc-nd/4.0"],["dc.subject","electrophilic cyanation; metal-free functionalizations; sulfonium salts; transfer reagents; umpolung"],["dc.subject.ddc","540"],["dc.title","5-(Cyano)dibenzothiophenium Triflate: A Sulfur-Based Reagent for Electrophilic Cyanation and Cyanocyclizations"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","35"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Marine Drugs"],["dc.bibliographiccitation.volume","19"],["dc.contributor.author","Shaaban, Mohamed"],["dc.contributor.author","Abou-El-Wafa, Ghada S. E."],["dc.contributor.author","Golz, Christopher"],["dc.contributor.author","Laatsch, Hartmut"],["dc.date.accessioned","2021-04-14T08:29:39Z"],["dc.date.available","2021-04-14T08:29:39Z"],["dc.date.issued","2021"],["dc.identifier.doi","10.3390/md19010035"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/82956"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.publisher","MDPI"],["dc.relation.eissn","1660-3397"],["dc.rights","https://creativecommons.org/licenses/by/4.0/"],["dc.title","New Haloterpenes from the Marine Red Alga Laurencia papillosa: Structure Elucidation and Biological Activity"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1126"],["dc.bibliographiccitation.issue","7"],["dc.bibliographiccitation.journal","Acta Crystallographica Section E Crystallographic Communications"],["dc.bibliographiccitation.lastpage","1130"],["dc.bibliographiccitation.volume","76"],["dc.contributor.author","Kafuta, Kevin"],["dc.contributor.author","Golz, Christopher"],["dc.contributor.author","Alcarazo, Manuel"],["dc.date.accessioned","2020-12-01T09:55:50Z"],["dc.date.accessioned","2021-10-27T13:12:43Z"],["dc.date.available","2020-12-01T09:55:50Z"],["dc.date.available","2021-10-27T13:12:43Z"],["dc.date.issued","2020"],["dc.description.abstract","The polymorphism of the title compound, C15H8N2S5, is reported, in which the (syn,syn) and (syn,anti) conformers simultaneously crystallized from a chloroform solution. The complete molecule of the (syn,syn) form is generated by a crystallographic twofold axis. The geometries of both conformers are compared in detail, revealing no significant differences in bond lengths, despite different bond angles because of the conformational changes. Analysis of the intermolecular interactions, aided by Hirshfeld surfaces, shows distinctive SS and SN contacts only for the (syn,anti) conformer. Aromatic –-stacking interactions are found for both conformers, which occur for the (syn,anti) conformer between pairs of molecules, but are continuous stacks in the (syn,syn) conformer. Non merohedral twinning was found for the crystal of the (syn,anti) conformer used for data collection."],["dc.identifier.doi","10.1107/S2056989020008105"],["dc.identifier.doi","10.1107/S2056989020008105/hb7924sup1.cif"],["dc.identifier.doi","10.1107/S2056989020008105/hb7924sssup3.hkl"],["dc.identifier.doi","10.1107/S2056989020008105/hb7924sasup4.hkl"],["dc.identifier.doi","10.1107/S2056989020008105/hb7924sssup4.cml"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/17674"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/91717"],["dc.language.iso","en"],["dc.notes.intern","Migrated from goescholar"],["dc.relation.eissn","2056-9890"],["dc.relation.issn","2056-9890"],["dc.relation.orgunit","Fakultät für Chemie"],["dc.rights","CC BY 4.0"],["dc.rights.access","openAccess"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.subject","crystal structure; trithiocarbonates; benzothiazole; polymorphism; Hirshfeld surface analysis"],["dc.subject.ddc","540"],["dc.title","Polymorphism of bis(1,3-benzothiazol-2-yl) trithiocarbonate"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]