Organolanthanoids. IV. Some reactions of Bis(polyfluorophenyl)ytterbium compounds

1983 ◽  
Vol 36 (1) ◽  
pp. 43 ◽  
Author(s):  
GB Deacon ◽  
PI Mackinnon ◽  
TD Tuong
Keyword(s):  
Mercuric Chloride ◽  
Similar Reaction ◽  
Acid Fluoride ◽  
Triphenyltin Chloride ◽  
Ytterbium Compounds ◽  
Pentafluorobenzoic Acid ◽  
Tetrafluorobenzoic Acid ◽  
Aromatic Hydrogen

From reactions of bis(polyfluorophenyl)ytterbium compounds R2Yb (R = C6Fs or p-HC6F4) with trans-Rh(CO)Cl(PPh3)2, NiCl2(bpy) (bpy = 2,2'-bipyridyl), NiCl2(PPh3)2, PtCl2(bpy)2 triphenyltin chloride, iodine and mercuric chloride, the polyfluorophenyl derivatives trans-RRh(CO)(PPh3)2, R2Ni(bpy), trans-(C6F5)2Ni(PPh3)2, (C6F5)2,Pt(bpy), Ph3SnC6Fs, C6F5I and (C6FS)2,Hg have been obtained. Reduction to mercury metal accompanied formation of the last compound. Carbonation of (C6F5)2Yb in tetrahydrofuran followed by acidification yields pentafluorobenzoic acid and, surprisingly, a significant amount of 2,3,4,5-tetrafluorobenzoic acid, in which the aromatic hydrogen is substantially derived from tetrahydrofuran. Reaction of (C6F5)2Yb with pentafluorobenzoic acid followed by acidification also gives 2,3,4,5-tetrafluorobenzoic acid. Fluoride elimination is less extensive and less specific in a similar reaction of YbI2.

Safety of a Clozapine Trial Following Quetiapine-Induced Leukopenia: A Case Report

2019 ◽  
Vol 14 (1) ◽  
pp. 80-83 ◽  
Author(s):  
Asma H. Almaghrebi
Keyword(s):  
Treatment Options ◽  
Young Female ◽  
Similar Reaction ◽  
Careful Monitoring ◽  
Treatment Resistant ◽  
Blood Cell Count ◽  
Antipsychotic Medications ◽  
Case Presentation ◽  
Clozapine Treatment ◽  
History Of

Background: The clozapine-derivative quetiapine has been shown in some cases to cause leukopenia and neutropenia. Case Presentation: We reported on a case of a young female diagnosed with treatment-resistant schizophrenia. After failed trials of three antipsychotic medications and despite a history of quetiapineinduced leukopenia, clozapine treatment was introduced due to the severity of the patient’s symptoms, the limited effective treatment options, and a lack of guidelines on this issue. Result: Over a ten-week period of clozapine treatment at 700 mg per day, the patient developed agranulocytosis. Her white blood cell count sharply dropped to 1.6 &#215; 10<sup>9</sup> L, and her neutrophils decreased to 0.1 &#215; 10<sup>9</sup> L. There had been no similar reaction to her previous medications (carbamazepine, risperidone, and haloperidol). Conclusion: The safety of clozapine in a patient who has previously experienced leukopenia and neutropenia with quetiapine requires further investigation. Increased attention should be paid to such cases. Careful monitoring and slow titration are advisable.

scholarly journals Synthesis of luminescent thorium-based metal–organic frameworks with 1,2,4,5-tetrakis(4-carboxyphenyl)benzene

RSC Advances ◽  
2021 ◽  
Vol 11 (28) ◽  
pp. 17431-17436
Author(s):  
Ting Yu ◽  
Zheng-hua Qian ◽  
Lin Li ◽  
Xiao-ling Wu ◽  
Hui He ◽  
...  
Keyword(s):  
Metal Salt ◽  
Metal Organic Frameworks ◽  
Reaction System ◽  
Similar Reaction ◽  
Metal Organic

Three new thorium-based MOFs based on 1,2,4,5-tetrakis(4-carboxyphenyl)benzene (H4TCPB) were obtained under a similar reaction system (metal salt, ligand, solvent, and acid are the same).

scholarly journals ON THE ACTION OF MERCURIC CHLORIDE AND OF HYDROGEN DIOXIDE ON BILE PIGMENTS

1927 ◽  
Vol 72 (2) ◽  
pp. 635-641
Author(s):  
W.F. von Oettingen ◽  
Torald Sollmann
Keyword(s):  
Mercuric Chloride ◽  
Bile Pigments

Astrocytes as potential modulators of mercuric chloride neurotoxicity

1994 ◽  
Vol 14 (6) ◽  
pp. 637-652 ◽  
Author(s):  
M. Aschner ◽  
K. J. Mullaney ◽  
M. N. Fehm ◽  
D. E. Wagoner ◽  
D. Vitarella
Keyword(s):  
Mercuric Chloride

scholarly journals Revealing the chirality origin and homochirality crystallization of Ag14 nanocluster at the molecular level

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Xiao-Qian Liang ◽  
Ying-Zhou Li ◽  
Zhi Wang ◽  
Shan-Shan Zhang ◽  
Yi-Cheng Liu ◽  
...  
Keyword(s):  
Molecular Level ◽  
Spontaneous Resolution ◽  
Silver Nanoclusters ◽  
Supramolecular Interactions ◽  
Hydrogen Atoms ◽  
Special Effects ◽  
Π Stacking Interaction ◽  
Origin Of Chirality ◽  
Present Characteristic ◽  
Aromatic Hydrogen

AbstractAlthough chirality is an ever-present characteristic in biology and some artificial molecules, controlling the chirality and demystifying the chirality origin of complex assemblies remain challenging. Herein, we report two homochiral Ag14 nanoclusters with inherent chirality originated from identical rotation of six square faces on a Ag8 cube driven by intra-cluster π···π stacking interaction between pntp− (Hpntp = p-nitrothiophenol) ligands. The spontaneous resolution of the racemic (SD/rac-Ag14a) to homochiral nanoclusters (SD/L-Ag14 and SD/R-Ag14) can be realized by re-crystallizing SD/rac-Ag14a in acetonitrile, which promotes the homochiral crystallization in solid state by forming C–H···O/N hydrogen bonds with nitro oxygen atoms in pntp− or aromatic hydrogen atoms in dpph (dpph = 1,6-bis(diphenylphosphino)hexane) on Ag14 nanocluster. This work not only provides strategic guidance for the syntheses of chiral silver nanoclusters in an all-achiral environment, but also deciphers the origin of chirality at molecular level by identifying the special effects of intra- and inter-cluster supramolecular interactions.

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