PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32638763-4 2020 Our results reveal that the removal of a carbon atom in the BL framework that was originally bonded to a Si atom in the substrate is preferred over that of a sp2-bonded atom. Silicon 105-107 Sp2 transcription factor Homo sapiens 158-161 33656848-6 2021 This mechanically induced structural transformation coincided with the dissociative surface reaction between hydrogen (oxygen) gas molecules and sp2 carbon-carbon bonds that are highly strained, which results in the formation of carbon-hydrogen groups (carbonyl or ether groups together with silicon atoms having higher oxidation states). Silicon 292-299 Sp2 transcription factor Homo sapiens 145-148 31296768-2 2019 We report a protolysis strategy that chemoselectively cleaves either an Si-C(sp2) or an Si-H bond using a carborane acid to access the full series of [CHB11H5Br6]--stabilized R2SiH+, RSiH2 +, and SiH3 + cations, where bulky tert-butyl groups at the silicon atom (R = tBu) were crucial to avoid substituent redistribution. Silicon 72-74 Sp2 transcription factor Homo sapiens 75-80 32110741-6 2020 Moreover, a decrease of friction coefficient of Si surface induced by increasing sp2/sp3 ratio was respectively evidenced in ambient air and SBF lubrication environments. Silicon 48-50 Sp2 transcription factor Homo sapiens 81-84 31372603-1 2019 Silicon nanoribbons - one dimensional silicon structures with a pentagonal atomic structure and mixed sp2- and sp3-hybridisation - grow on Ag(110) upon deposition of silicon. Silicon 0-7 Sp2 transcription factor Homo sapiens 102-105 31247804-4 2019 Predicated on an efficient metal-free dehalogenation of aryl halides under mild organo-photoredox conditions, sulfur, phosphorus, and silicon heteroatoms capture the C(sp2)-centered radical in an intramolecular fashion. Silicon 134-141 Sp2 transcription factor Homo sapiens 166-171 31829499-2 2020 This reaction occurred through chemoselective Si-C(sp2 ) bond activation in synergy with ring expansion/insertion of cyclopropenes to form new C(sp2 )-C(sp3 ) and Si-C(sp3 ) bonds. Silicon 46-48 Sp2 transcription factor Homo sapiens 49-54 31829499-2 2020 This reaction occurred through chemoselective Si-C(sp2 ) bond activation in synergy with ring expansion/insertion of cyclopropenes to form new C(sp2 )-C(sp3 ) and Si-C(sp3 ) bonds. Silicon 46-48 Sp2 transcription factor Homo sapiens 143-148 31829499-2 2020 This reaction occurred through chemoselective Si-C(sp2 ) bond activation in synergy with ring expansion/insertion of cyclopropenes to form new C(sp2 )-C(sp3 ) and Si-C(sp3 ) bonds. Silicon 46-50 Sp2 transcription factor Homo sapiens 143-148 31588308-3 2019 We herein report novel enantioselective palladium/copper-catalyzed alkyl alkynylation of cyclobutanones with terminal alkynes via tandem C-C bond activation/Sonogashira-type cross coupling reaction, in which a novel chiral TADDOL-derived phosphoramidite ligand bearing fluorine and silicon-based bulky groups simplified as TFSi-Phos is found to be an efficient ligand for both C(sp2)-C(sp3) bond cleavage and new C(sp3)-C(sp) bond formation. Silicon 282-289 Sp2 transcription factor Homo sapiens 377-382 28933860-1 2017 An efficient and convenient palladium-catalyzed direct intermolecular silylation of C(sp2)-H bonds by using disilanes as the silicon source with the assistance of a readily removable bidentate directing group is reported. Silicon 125-132 Sp2 transcription factor Homo sapiens 84-89 30269485-0 2018 Catalytic Access to Bridged Sila- N-heterocycles from Piperidines via Cascade sp3 and sp2 C-Si Bond Formation. Silicon 28-30 Sp2 transcription factor Homo sapiens 86-89 28926074-0 2017 Mechanisms for C(sp2)-Si activation of aryltrimethylsilyl groups in palladium-catalysed couplings. Silicon 22-24 Sp2 transcription factor Homo sapiens 15-20 30892009-2 2019 A systematic structural analysis of CNSs reveals that the thickness of polymer films affects the interaction between molecules and a Si wafer significantly, thus helping to determine the ratio of sp2 and sp3 bonding configurations of carbon (C) atoms in the CNS. Silicon 133-135 Sp2 transcription factor Homo sapiens 196-199 30160810-3 2019 This Minireview highlights impressive developments in this field over the past decade, with an emphasis on the formation of vinyl-, aryl-, and acylsilanes by C(sp2 )-Si bond formation as well as the formation of allyl- and alkylsilanes by C(sp3 )-Si bond formation. Silicon 166-168 Sp2 transcription factor Homo sapiens 158-163 30539631-4 2018 The new method is an addition to the still limited number of transition-metal-catalyzed vinyl C(sp2)-Si cross-coupling reactions. Silicon 101-103 Sp2 transcription factor Homo sapiens 94-99 29323686-4 2018 The unique framework of sp2 carbon and sp3 silicon atoms leads to unusual in-plane negative Poisson"s ratios and electronic properties superior to both graphene and silicene. Silicon 43-50 Sp2 transcription factor Homo sapiens 24-27 25971022-3 2014 Si doping led not only to an increase in the bonding ratio (sp3/sp2), but improvements in hardness, critical adhesion, and corrosion resistance. Silicon 0-2 Sp2 transcription factor Homo sapiens 64-67 28406290-12 2017 On the basis of this concept, the tethered ruthenium(II) thiolate complexes emerged as widely applicable catalysts for various transformations, which can be categorized into (i) dehydrogenative couplings [Si-C(sp2), Si-O, Si-N, and B-C(sp2)], (ii) chemoselective reductions (hydrogenation and hydrosilylation), and (iii) hydrodefluorination reactions. Silicon 205-207 Sp2 transcription factor Homo sapiens 208-213 28264160-1 2017 The structural and electronic properties of nanoscale Si epitaxially grown on Ag(111) can be tuned from a multilayer silicene phase, where the constitutive layers incorporate a mixed sp2/sp3 bonding, to other ordinary Si phases, such as amorphous and diamond-like Si. Silicon 54-56 Sp2 transcription factor Homo sapiens 183-186 27892532-1 2016 First-principles calculations are performed to identify the pristine and Si doped 3D metallic T6 carbon structure (having both sp2 and sp3 type hybridization) as a new carbon based anode material. Silicon 73-75 Sp2 transcription factor Homo sapiens 127-130 27892532-8 2016 Overall, mixed hybridized (sp2 + sp3) Si doped T6 structure can become a superior anode material than present sp2 hybridized graphite and sp3 hybridized Si structure for modern Lithium ion batteries. Silicon 38-40 Sp2 transcription factor Homo sapiens 27-30 27892532-8 2016 Overall, mixed hybridized (sp2 + sp3) Si doped T6 structure can become a superior anode material than present sp2 hybridized graphite and sp3 hybridized Si structure for modern Lithium ion batteries. Silicon 38-40 Sp2 transcription factor Homo sapiens 110-113 16241743-4 2005 The STE comprises a broken O-Si bond with the hole localized on the defected oxygen and the electron on the defected silicon atom in a planar sp2 conformation. Silicon 117-124 Sp2 transcription factor Homo sapiens 142-145 19504943-0 2009 Nanostructured sp2-carbon infiltration of mesoporous silicon layers. Silicon 53-60 Sp2 transcription factor Homo sapiens 15-18 18385850-1 2008 A series of propargylic tertiary alcohols decorated with an sp2-hybridised nitrogen donor were kinetically resolved by reagent-controlled dehydrogenative Si-O coupling with a strained, highly reactive silicon-stereogenic cyclic silane. Silicon 201-208 Sp2 transcription factor Homo sapiens 60-63 25160825-4 2014 One-pot electrophilic substitution of the C(sp2)-Zn bond by Cu(I)-mediated C-C bond formation and subsequent manipulation of the C(sp2)-Si bond provides a modular access to Z-alpha,beta-disubstituted enamides. Silicon 136-138 Sp2 transcription factor Homo sapiens 42-47 25160825-4 2014 One-pot electrophilic substitution of the C(sp2)-Zn bond by Cu(I)-mediated C-C bond formation and subsequent manipulation of the C(sp2)-Si bond provides a modular access to Z-alpha,beta-disubstituted enamides. Silicon 136-138 Sp2 transcription factor Homo sapiens 129-134 21517096-0 2011 Palladium-catalyzed synthesis of benzosilolo[2,3-b]indoles via cleavage of a C(sp3)-Si bond and consequent intramolecular C(sp2)-Si coupling. Silicon 84-86 Sp2 transcription factor Homo sapiens 122-127 21517096-0 2011 Palladium-catalyzed synthesis of benzosilolo[2,3-b]indoles via cleavage of a C(sp3)-Si bond and consequent intramolecular C(sp2)-Si coupling. Silicon 129-131 Sp2 transcription factor Homo sapiens 122-127 12908435-4 2002 Through the investigations on the structure and properties of a double-wall silicon nanotube, we concluded that quasi-one-dimensional structures consisting of silicon atoms become nanowires rather than nanotubes in order to minimize the number of sp2 bonds. Silicon 76-83 Sp2 transcription factor Homo sapiens 247-250 12475304-2 2002 The molecular structure of 2 was established by X-ray crystallography, which showed a trans-bent structure (bending angles of 26.2 degrees for the sp2 Si atom and 9.6 degrees for the sp2 Sn atom) with a >Si=Sn< bond length of 2.4188(14) A and a twisting angle of 34.6 degrees . Silicon 151-153 Sp2 transcription factor Homo sapiens 147-150 12908435-4 2002 Through the investigations on the structure and properties of a double-wall silicon nanotube, we concluded that quasi-one-dimensional structures consisting of silicon atoms become nanowires rather than nanotubes in order to minimize the number of sp2 bonds. Silicon 159-166 Sp2 transcription factor Homo sapiens 247-250 35268964-0 2022 Evidence of sp2-like Hybridization of Silicon Valence Orbitals in Thin and Thick Si Grown on alpha-Phase Si(111) 3 x 3R30 -Bi. Silicon 81-83 Sp2 transcription factor Homo sapiens 12-15 35268964-0 2022 Evidence of sp2-like Hybridization of Silicon Valence Orbitals in Thin and Thick Si Grown on alpha-Phase Si(111) 3 x 3R30 -Bi. Silicon 105-107 Sp2 transcription factor Homo sapiens 12-15 35076220-6 2022 The doping of Si atoms into the sp2-hybridized graphitic framework of GOQDs also led to tailored PL emissions. Silicon 14-16 Sp2 transcription factor Homo sapiens 32-35