نتایج جستجو برای: butene

تعداد نتایج: 827  

Journal: :Journal of Polymer Science Part A: Polymer Chemistry 1996

Journal: :Bulletin of the Chemical Society of Japan 1974

Journal: :Journal of the American Chemical Society 2003
Rajesh K Saini Ivana W Chiang Haiqing Peng R E Smalley W E Billups Robert H Hauge John L Margrave

Alkyllithium reagents may be used to attach alkyl groups to the sidewalls of fluoro nanotubes. Thermal gravimetric analysis combined with UV-vis-Nir spectroscopy has been used to provide a quantitative measure of the degree of functionalization. SWNTs prepared using the HiPco process exhibit a higher degree of alkylation than SWNTs from the laser-oven method, indicating that the smaller diamete...

2011
Abdullah M. Asiri Abdulrahman O. Al-Youbi Khalid A. Alamry Hassan M. Faidallah Seik Weng Ng Edward R. T. Tiekink

With the exception of the terminal benzene rings, the atoms in the title compound, C(20)H(18)ClN(3)O(2), are approximately coplanar (r.m.s. deviation = 0.0495 Å). The benzene/chloro-benzene rings form dihedral angles of 3.02 (4) and 41.59 (5)°, respectively, with this plane. The hy-droxy, amino and carbonyl groups all lie to the same side of the mol-ecule, enabling the formation of intra-molecu...

2000
William P. L. Carter

The Maximum Incremental Reactivity (MIR) and other reactivity scales given by Carter (2000) has been recalculated after correcting minor errors in the mechanism generation system and to add several new compounds as requested by the California Air Resources Board and others. A total of 19 types of VOCs have been added, the MIRs for 11 VOCs changed by more than 2% but less than 10%, and the MIR f...

Journal: :Journal of the American Chemical Society 2009
Feng Dong Scott Heinbuch Yan Xie Elliot R Bernstein Jorge J Rocca Zhe-Chen Wang Xun-Lei Ding Sheng-Gui He

The reactions of neutral vanadium oxide clusters with alkenes (ethylene, propylene, 1-butene, and 1,3-butadiene) are investigated by experiments and density function theory (DFT) calculations. Single photon ionization through extreme ultraviolet radiation (EUV, 46.9 nm, 26.5 eV) is used to detect neutral cluster distributions and reaction products. In the experiments, we observe products (V(2)O...

Journal: :The journal of physical chemistry. A 2011
Ya Kun Chen Donald G Fleming Yan Alexander Wang

The hyperfine coupling constants (HFCCs) of all the butyl radicals that can be produced by muonium (Mu) addition to butene isomers (1- and 2-butene and isobutene) have been calculated, to compare with the experimental results for the muon and proton HFFCs for these radicals reported in paper II (Fleming, D. G.; et al. J. Phys. Chem. A 2011, 10.1021/jp109676b) that follows. The equilibrium geome...

Journal: :Bulletin of the Chemical Society of Japan 1967

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