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Stereoselective Synthesis of α‐Azido Esters and α‐Amino Acid Derivatives via Matteson Homologation of Boronic Esters 通过硼酸酯的马特松同系物立体选择性合成 α-叠氮酯和α-氨基酸衍生物
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-07-11 DOI: 10.1002/zaac.202400113
Uli Kazmaier, Alexander Horn, Emanuel Papadopoulos, Thorsten Kinsinger, Jennifer Greve, Etienne Bickel, Stavroula Pachoula
{"title":"Stereoselective Synthesis of α‐Azido Esters and α‐Amino Acid Derivatives via Matteson Homologation of Boronic Esters","authors":"Uli Kazmaier, Alexander Horn, Emanuel Papadopoulos, Thorsten Kinsinger, Jennifer Greve, Etienne Bickel, Stavroula Pachoula","doi":"10.1002/zaac.202400113","DOIUrl":"https://doi.org/10.1002/zaac.202400113","url":null,"abstract":"Matteson homologation with sodium azide in DMF proved to be an excellent highly stereoselective tool for the synthesis of complex α‐azido and α‐amino acids. Both enantiomers are easily accessible via the choice of the chiral boronic ester auxiliary.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141608640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of 2,2,3,3‐Tetraphenyl‐5,5,6,6,7,7,8,8‐octamethyl‐2,3,5,6,7,8‐hexasilabicyclo[2.2.2]octane – a Phenyl‐substituted Silicon‐containing Cage 2,2,3,3-Tetraphenyl-5,5,6,6,7,7,8,8-octamethyl-2,3,5,6,7,8-hexasilabicyclo[2.2.2]octane - a Phenyl-substituted Silicon-containing Cage 的合成
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-07-11 DOI: 10.1002/zaac.202400115
Koichi Sato, Takahiro Sasamori
{"title":"Synthesis of 2,2,3,3‐Tetraphenyl‐5,5,6,6,7,7,8,8‐octamethyl‐2,3,5,6,7,8‐hexasilabicyclo[2.2.2]octane – a Phenyl‐substituted Silicon‐containing Cage","authors":"Koichi Sato, Takahiro Sasamori","doi":"10.1002/zaac.202400115","DOIUrl":"https://doi.org/10.1002/zaac.202400115","url":null,"abstract":"Molecular cages that contain silicon are highly versatile and stable materials with great potential for various scientific and technological applications due to their ability to form stable three‐dimensional frameworks. The synthesis of 2,2,3,3,5,5,6,6,7,7,8,8‐dodecamethyl‐2,3,5,6,7,8‐hexasilabicyclo[2.2.2]octane has already been reported and its modifications at the CH moiety have been demonstrated to afford varied functionality. Here, we present the synthesis and characterization of 2,2,3,3‐tetraphenyl‐5,5,6,6,7,7,8,8‐octamethyl‐2,3,5,6,7,8‐hexasilabicyclo[2.2.2]octane, which is a phenyl‐substituted analogue of such a silicon‐containing cage. The Ph‐substituted Si‐containing cage exhibits a low‐lying LUMO due to the hyper‐conjugation including Si–Si, Si–C σ*‐orbitals, and π(phenyl)‐orbitals, which results in a remarkable bathochromic shift in the UV‐vis absorption spectrum.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141608641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
UoC‐11: An Interpenetrating MOF from Fluorinated BTB Ligands and a 1‐D Mg Based SBU UoC-11：氟化 BTB 配体与一维镁基 SBU 的互穿 MOF
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-07-09 DOI: 10.1002/zaac.202400089
Uwe Ruschewitz, Sean S. Sebastian, Finn P. Dicke
{"title":"UoC‐11: An Interpenetrating MOF from Fluorinated BTB Ligands and a 1‐D Mg Based SBU","authors":"Uwe Ruschewitz, Sean S. Sebastian, Finn P. Dicke","doi":"10.1002/zaac.202400089","DOIUrl":"https://doi.org/10.1002/zaac.202400089","url":null,"abstract":"A new MOF, named UoC‐11 (UoC = University of Cologne, [Mg4(3F‐BTB)2(OAc)2(DMF)6] · DMF), based on a fluorinated BTB (4,4′,4″‐benzene‐1,3,5‐triyl‐tris‐(benzoate)) derivative and Mg cations was synthesized incorporating additional acetate anions. Its crystal structure was determined from single crystal X‐ray diffraction data (P21/c, Z = 4). It consists of one‐dimensional Mg‐SBUs (strands), interconnected perpendicularly by tritopic linkers forming a dense two‐fold interpenetrating 3D network. Thus, only very small voids are formed which are fully occupied by the solvent. After activation at 150 °C (24 hours), no meaningful N2 adsorption was observed. Compared to the Ca and Sr analogues UoC‐9, UoC‐11 does not exhibit a crystal sponge behaviour. Thermal analysis (TGA) shows a release of all solvent molecules up to ~280 °C and the decomposition of the framework starts above 300 °C.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"47 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141571563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application Potential of pnp‑switching Semiconductors pnp 开关半导体的应用潜力
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-07-08 DOI: 10.1002/zaac.202400066
Philipp Deng, Matthias Hoffmann, Tom Nilges
{"title":"Application Potential of pnp‑switching Semiconductors","authors":"Philipp Deng, Matthias Hoffmann, Tom Nilges","doi":"10.1002/zaac.202400066","DOIUrl":"https://doi.org/10.1002/zaac.202400066","url":null,"abstract":"Materials with tunable properties are often in the focus of materials science. Up to this point four different semiconducting materials and substitution variants have been found that are capable of switching between p‐ and n‐type conduction by a simple change in temperature. In this review, we illustrate previous findings of these pnp‐switching materials and current developments in functional implementations. While in the past decade, the scientific focus was primarily on discovering new materials that possess this intriguing switching effect, recently the first devices were successfully constructed and tested. Using the compounds, Ag18Cu3Te11Cl3 and AgCuS, that exhibit the pnp‐switching behaviour at approximately room temperature and 364 K, respectively, two single‐material diodes were developed and characterized. The approach for inducing this effect is denoted and the fundamental principles for realizing these devices are summarized.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"40 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141571367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Front Cover: (Z. Anorg. Allg. Chem. 11‐12/2024) 封面： (Z. Anorg. Allg. Chem. 11-12/2024)
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-07-06 DOI: 10.1002/zaac.202481101
{"title":"Front Cover: (Z. Anorg. Allg. Chem. 11‐12/2024)","authors":"","doi":"10.1002/zaac.202481101","DOIUrl":"https://doi.org/10.1002/zaac.202481101","url":null,"abstract":"","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"51 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141571565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ruthenium‐Catalyzed Hydrosilylation of Aldehydes with Hydrooligosilanes 钌催化的氢寡硅烷醛氢硅烷化反应
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-07-06 DOI: 10.1002/zaac.202400122
Ken-ichiro Kanno, Yasuhiro Sunaga, Soichiro Kyushin
{"title":"Ruthenium‐Catalyzed Hydrosilylation of Aldehydes with Hydrooligosilanes","authors":"Ken-ichiro Kanno, Yasuhiro Sunaga, Soichiro Kyushin","doi":"10.1002/zaac.202400122","DOIUrl":"https://doi.org/10.1002/zaac.202400122","url":null,"abstract":"Ruthenium‐catalyzed hydrosilylation of aldehydes with hydrooligosilanes is reported. Among the examined ruthenium catalysts, RuH2(CO)(PPh3)3 gave the best results. The reactions proceed with the Si–Si bonds preserved to afford the corresponding alkoxyoligosilanes in good yields. A series of aryl aldehydes with an electron‐withdrawing group is applicable, whereas those with an electron‐donating group are not suitable for the reaction. Mechanistic considerations suggest that the key points for the preservation of the Si–Si bonds are the formation of zero‐valent ruthenium species and the efficient coordination of the aldehyde to the ruthenium center prior to the oxidative addition of the Si–H bond.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141571564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Thermal Dimorphy of the Strontium Perrhenate Sr[ReO4]2 论珀尔铼酸锶 Sr[ReO4]2 的热二态性
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-06-27 DOI: 10.1002/zaac.202400045
Maurice Conrad, Sebastian Bette, Robert E. Dinnebier, Thomas Schleid
{"title":"On the Thermal Dimorphy of the Strontium Perrhenate Sr[ReO4]2","authors":"Maurice Conrad, Sebastian Bette, Robert E. Dinnebier, Thomas Schleid","doi":"10.1002/zaac.202400045","DOIUrl":"https://doi.org/10.1002/zaac.202400045","url":null,"abstract":"Hygroscopic single crystals of a new hexagonal high‐temperature modification of Sr[ReO<jats:sub>4</jats:sub>]<jats:sub>2</jats:sub> were prepared from a melt of Sr[ReO<jats:sub>4</jats:sub>]<jats:sub>2</jats:sub> ⋅ H<jats:sub>2</jats:sub>O and SrCl<jats:sub>2</jats:sub> ⋅ 6 H<jats:sub>2</jats:sub>O. The structure analysis of the obtained crystals by X‐ray diffraction revealed that the title compound crystallizes in the ThCd[MoO<jats:sub>4</jats:sub>]<jats:sub>3</jats:sub>‐type structure with the hexagonal space group <jats:italic>P</jats:italic>6<jats:sub>3</jats:sub>/<jats:italic>m</jats:italic> and the lattice parameters <jats:italic>a</jats:italic>=1023.81(7) pm and <jats:italic>c</jats:italic>=646.92(4) pm (<jats:italic>c</jats:italic>/<jats:italic>a</jats:italic>=0.632) for <jats:italic>Z</jats:italic>=2 in its quenchable high‐temperature form. Two crystallographically independent Sr<jats:sup>2+</jats:sup> cations are coordinated by oxygen atoms forming either octahedra or tricapped trigonal prisms, whereas the Re<jats:sup>7+</jats:sup> cations are found in the centers of discrete tetrahedral <jats:italic>meta</jats:italic>‐perrhenate units [ReO<jats:sub>4</jats:sub>]<jats:sup>−</jats:sup>. Temperature‐dependent <jats:italic>in‐situ</jats:italic> PXRD studies of dry powder samples of Sr[ReO<jats:sub>4</jats:sub>]<jats:sub>2</jats:sub> exhibited its thermal dimorphy with a phase‐transition temperature at 500–550 °C from literature‐known m‐Sr[ReO<jats:sub>4</jats:sub>]<jats:sub>2</jats:sub> into the newly discovered h‐Sr[ReO<jats:sub>4</jats:sub>]<jats:sub>2</jats:sub> (hexagonal).","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141506915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and crystal structures of novel group 6B metal carbonyl complexes with N‐(4‐methyl‐2‐ pyridinyl)‐P,P‐diphenylphosphinous amide ligand 新型 6B 族金属羰基配合物与 N-(4-甲基-2-吡啶基)-P,P-二苯基膦酰胺配体的合成及晶体结构
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-06-25 DOI: 10.1002/zaac.202400075
Harbi Tomah AL-Masri, Suzan Mohammed Alrawashdeh, Akram Ali Almejled, Ziad moussa
{"title":"Synthesis and crystal structures of novel group 6B metal carbonyl complexes with N‐(4‐methyl‐2‐ pyridinyl)‐P,P‐diphenylphosphinous amide ligand","authors":"Harbi Tomah AL-Masri, Suzan Mohammed Alrawashdeh, Akram Ali Almejled, Ziad moussa","doi":"10.1002/zaac.202400075","DOIUrl":"https://doi.org/10.1002/zaac.202400075","url":null,"abstract":"The reaction of N‐(4‐methyl‐2‐pyridinyl)‐P,P‐diphenylphosphinous amide ligand 4‐Me‐C5H3N‐2‐NH(PPh2) (1) with M(CO)6 (M = Cr, Mo, W) in refluxing toluene afforded a mononuclear group 6B metal tetracarbonyls [M(CO)4{1‐κ2P,N}] (M = Cr(2), Mo(3), W(4) ). Complexes 2–4 were characterized by multinuclear NMR (1H, 13C and 31P NMR) and IR spectroscopy, and their structures were also determined by single crystal X‐ray diffraction. 2 and 4 represent the first examples of structurally characterized complexes of such ligands with group 6B metal carbonyls.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"23 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141506916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The peculiar molecular [(IF5)6(HF2)4]4− anion of the compound K4[(IF5)6(HF2)4] 化合物 K4[(IF5)6(HF2)4]的特殊分子[(IF5)6(HF2)4]-阴离子
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-06-25 DOI: 10.1002/zaac.202400085
Björn Koch, Tim Florian Graubner, Florian Kraus
{"title":"The peculiar molecular [(IF5)6(HF2)4]4− anion of the compound K4[(IF5)6(HF2)4]","authors":"Björn Koch, Tim Florian Graubner, Florian Kraus","doi":"10.1002/zaac.202400085","DOIUrl":"https://doi.org/10.1002/zaac.202400085","url":null,"abstract":"K4[(IF5)6(HF2)4] was obtained from the reaction of K[HF2] with liquid IF5. The compound was analyzed by single crystal and powder X‐ray diffraction, Raman spectroscopy, and quantum‐chemical calculations. It contains the largest molecular IF5/HF2− complex anion known so far. Surprisingly, the crystal structure of the A4B compound can be related to the Hg4Pt structure type.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"180 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141506918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Practicality and Compatibility of Cd(II) Coordination Polymer as Luminescent Sensor in Selective and Sensitive Detection of 3‐Nitrotyrosine Biomarker 镉(II)配位聚合物作为发光传感器选择性灵敏检测 3-硝基酪氨酸生物标记物的实用性和兼容性
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-06-25 DOI: 10.1002/zaac.202400065
Jingyao Yang, Feiyu Lu, Wencui Li, Lu Zhang, Jingrui Yin, Mohd. Muddassir, Liming Fan
{"title":"Practicality and Compatibility of Cd(II) Coordination Polymer as Luminescent Sensor in Selective and Sensitive Detection of 3‐Nitrotyrosine Biomarker","authors":"Jingyao Yang, Feiyu Lu, Wencui Li, Lu Zhang, Jingrui Yin, Mohd. Muddassir, Liming Fan","doi":"10.1002/zaac.202400065","DOIUrl":"https://doi.org/10.1002/zaac.202400065","url":null,"abstract":"Based on the mixed ligands of 1,4‐bis(2,4,6‐tricarboxylpyrid‐5‐yl)benzene (H6BTPB) and 1,4‐bis(imidazol‐1‐yl)benzene (bib), a new cadmium(II) coordination polymer with the molecular formula of {[Cd(bib)(μ2‐H2O)(H2O)2](H4BTPB)0.5(bib)0.5}n (CdCP) was constructed under solvothermal condition, and displayed a 3D supramolecular structure expanded by the hydrogen bonds between the 1D [Cd(bib)(μ2‐H2O)(H2O)2]n ladder chain and the guests. Profiting from its superior stability and inherent luminescence, the prepared CdCP dispalyed great potential as a highly sensitive and selective luminescent sensor in trace detection of 3‐NT biomarker in both water and real bodily fluids through the luminescence quenching effects, with the Ksv and LODs being 2.408×105 M‐1 and 30.3 nM in water, 2.230×105 M‐1 and 44.7 nM in diluted urine, 2.249×105 M‐1 and 43.9 nM in diluted serum, respectively. Subsequent mechanism studies indicated the synergistic effect of internal filtering effect, photo‐induced electron transfer, and fluorescence resonance energy transfer determining the luminescence quenching response of CdCP towards 3‐NT biomarker.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"15 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141516318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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