Polyhedral Oligomeric Silsesquioxanes Based Ultralow‐k Materials: The Effect of Cage Size
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DOI: 10.1002/adfm.202102074
Abstract: Polyhedral oligomeric silsesquioxanes (POSS) are of considerable interest as building blocks for preparing low‐k materials. To date T8 POSS has been extensively investigated while the potential of larger POSS cages remain an unexplored area. Herein,… read more here.
Keywords: cage size; oligomeric silsesquioxanes; poss; polyhedral oligomeric ... See more keywords
Design and Synthesis of Cage Molecules as High Energy Density Materials for Aerospace Applications
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DOI: 10.1002/cctc.202001475
Abstract: This account deals with our work on cage systems that was reported during the past two decades. Here, we summarized various new synthetic routes to diverse cage polycycles by employing Claisen rearrangement, Diels−Alder (DA) reaction,… read more here.
Keywords: design synthesis; synthesis cage; cage molecules; cage systems ... See more keywords
Synthesis of Open-Cage [60]Fullerenes with Five Carbonyl Groups on the Rim of the 15-Membered Orifice.
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DOI: 10.1002/cplu.201900017
Abstract: A new type of open-cage [60]fullerene was prepared starting from our previously reported open-cage [60]fullerenes containing hydroxy and tert-butylperoxo groups, and an iminofuranone moiety on the rim of the orifice. The key reactions are alcoholysis… read more here.
Keywords: open cage; cage fullerenes; synthesis open; cage ... See more keywords
Pitfalls and Limitations in Group 6 Triamidophosphane Chemistry: Cage‐Closure Restrictions in Square‐Pyramidal Nitrido Complexes and Degradation via Spiro‐[4.4]‐λ5‐Amidophosphorane Formation
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Inorganic Chemistry"
DOI: 10.1002/ejic.201701023
Abstract: The benzylene-linked triaminophosphines P(C6H4-o-CH2NHXyl)3 ([A]H3) and P(CH2C6H4-o-NHPh)3 ([B]H3) were shown to react with (Me2N)3Mo≡N to afford the square pyramidal nitrido complexes 1 and 2, each comprising one residual dimethylamido moiety and one uncoordinated ligand sidearm.… read more here.
Keywords: pyramidal nitrido; nitrido complexes; chemistry; square pyramidal ... See more keywords
Synthesis and Rearrangement of Cage [4.3.2]Propellanes that Contain a Spiro Linkage
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.201700617
Abstract: Rearranged cage ketones 6a and 6b are reported in eight linear synthetic steps starting with 2,5-dimethoxybenzaldehyde 9 without the involvement of protecting groups. In this regard, Diels‒Alder reaction, [2+2]photocycloaddition and Lewis acid promoted rearrangement with… read more here.
Keywords: contain spiro; cage propellanes; synthesis rearrangement; rearrangement cage ... See more keywords
113Cd as a Probe in NMR Studies of Allosteric Host‐Guest‐Ligand Complexes of Porphyrin Cage Compounds
Sign Up to like & getrecommendations! Published in 2022 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.202200111
Abstract: Abstract Cadmium porphyrin cage compounds Cd1 and 113 Cd1 have been synthesized from the free base porphyrin cage derivative H21 and Cd(OAc)2 ⋅ 2 H2O or 113Cd(OAc)2 ⋅ 2 H2O, respectively. The compounds form allosteric complexes with the positively… read more here.
Keywords: porphyrin cage; cage; cage compounds; guest ... See more keywords
Mechanistic Studies on the Epoxidation of Alkenes by Macrocyclic Manganese Porphyrin Catalysts
Sign Up to like & getrecommendations! Published in 2022 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.202200280
Abstract: Abstract Macrocyclic metal porphyrin complexes can act as shape‐selective catalysts mimicking the action of enzymes. To achieve enzyme‐like reactivity, a mechanistic understanding of the reaction at the molecular level is needed. We report a mechanistic… read more here.
Keywords: epoxidation alkenes; cage; mechanistic studies; oxo ligand ... See more keywords
From Supramolecular Organic Cages to Porous Covalent Organic Frameworks for Enhancing Iodine Adsorption Capability by Fully Exposed Nitrogen-Rich Sites.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202301998
Abstract: In order to overcome the limitations of supramolecular organic cages for their incomplete accessibility of active sites in the solid state and uneasy recyclability in liquid solution, herein a nitrogen-rich organic cage is rationally linked… read more here.
Keywords: nitrogen rich; supramolecular organic; iodine adsorption; cage ... See more keywords
Toward the Controlled Synthesis of Highly Dispersed Metal Clusters Enabled by Downsizing Crystalline Porous Organic Cage Supports
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DOI: 10.1002/smtd.202200591
Abstract: The controlled synthesis of subnanometer‐sized metal clusters (MCs) presents a fascinating prospect for the research of size‐dependent properties. In this study, a facile approach by employing porous racemic organic cage crystals as supports for immobilizing… read more here.
Keywords: controlled synthesis; metal clusters; organic cage; cage ... See more keywords
Identification of reliable reference genes for expression studies in the magnum of laying hens housed in cage and cage‐free systems
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DOI: 10.1002/vms3.507
Abstract: Abstract Stress factors during poultry production can evoke changes in gene transcription and protein synthesis in the hen oviduct and could affect the internal and external egg quality. Studies of relative gene expression require the… read more here.
Keywords: production; laying hens; reference; expression ... See more keywords
Phytase expressed from Saccharomyces pombe ameliorates footpad lesions in cage‐reared broiler chicks
Sign Up to like & getrecommendations! Published in 2022 at "Veterinary Medicine and Science"
DOI: 10.1002/vms3.745
Abstract: Abstract Background/aim The condition of footpad is an important aspect of poultry welfare. This is a problem that plagues the poultry industry because it occurs whether birds are reared in the cage or on the… read more here.
Keywords: broiler chicks; phytase; cage; reared broiler ... See more keywords