Utilization of steric hindrance of alkyl lithium-based initiator to synthesize high 1,4 unit-containing hydroxyl- terminated polybutadiene [PDF]
Royal Society Open Science, 2018 A novel alkyl lithium-based initiator with relatively large steric hindrance, tert-butyldimethylsiloxydimethylpropyl lithium (TBDMSODPrLi), was designed and synthesized.
Xin Min, Xiaodong Fan, Jie Liu
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Steric hindrance induced low exciton binding energy enables low‐driving‐force organic solar cells
AggregateExciton binding energy (Eb) has been regarded as a critical parameter in charge separation during photovoltaic conversion. Minimizing the Eb of the photovoltaic materials can facilitate the exciton dissociation in low‐driving force organic solar cells ...
Tianyu Hu +12 more
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Steering on-surface reactions through molecular steric hindrance and molecule-substrate van der Waals interactions. [PDF]
Quantum Front, 2022 UNLABELLED On-surface synthesis is a rapidly developing field involving chemical reactions on well-defined solid surfaces to access synthesis of low-dimensional organic nanostructures which cannot be achieved via traditional solution chemistry.
Wang S +10 more
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Substituent effect of Cp2TiCl2 catalyst for ethylene polymerization: A DFT study [PDF]
Polyolefins Journal, 2023 The substituents on cyclopentadienyl (Cp) can regulate the electronic effect and hindrance of the active center in the metallocene catalyst. This modification can greatly change the catalytic activity of the catalyst and affect some features of the ...
Kefeng Xie +5 more
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Insights on tert-butyl alkylation effects on fluorobenzene
Scientific African, 2021 Directing effects of substituents on the benzene ring, ortho and para directors by electron donating groups and meta directors using electron withdrawing groups have been studied and reported widely. In particular and for many years, the directing effect
Lewis Mtashobya
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, 2021 Bromine-containing metal halide all-inorganic perovskite CsPbI2Br exhibits excellent photoelectric performance and supreme thermal and structural stabilities; it is thus attractive for use as photoabsorbing layers in perovskite solar cells (PSCs ...
Yaochang Yue (11681392) +11 more
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Observation of 1,3-Diketones Formation in the Reaction of Bulky Acyl Chlorides with Methyllithium
Molecules, 2012 The formation of 1,3-diketones was observed in the reactions of bulky acyl chlorides with methyllithium. The reaction products depend on the steric hindrance around the carbonyl group of the acyl chloride and the electronic effect of the group(s) linked ...
Liwen Yang, Nianfa Yang, Jian Zhang
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Tuning the steric hindrance of alkylamines: a predictive model of steric editing of planar amines. [PDF]
Chem SciAmines are one of the most prevalent functional groups in chemistry. Perhaps even more importantly, amines represent one of the most ubiquitous moieties within the realm of bioactive natural products and life-saving pharmaceuticals.
Tomasini M +4 more
europepmc +2 more sources
Breast cancer cells adapt contractile forces to overcome steric hindrance [PDF]
, 2019 Cell migration through the extracellular matrix is governed by the interplay between cell-generated propulsion forces, adhesion forces, and resisting forces arising from the steric hindrance of the matrix.
Bauer, A. +13 more
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, 2023 Sulfur cross-linking, known as vulcanization, is an extraordinarily important process to endow rubbers with practical performances in the rubber industry. However, the steric hindrance of vulcanization intermediates hinders the formation of vulcanization
Gui-Xiang Liu (8571252) +4 more
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