نتایج جستجو برای: 4 dioxane

تعداد نتایج: 1304616  

2016
Takeshi Oishi Shun Tsuzaki Tomoya Sugai Takaaki Sato Noritaka Chida

In the title compound, C12H19NO6, the six-membered 1,3-dioxane ring adopts a chair-like conformation. The seat of this chair, containing two O atoms, is essentially planar, with a maximum deviation of 0.0021 (12) Å. The five-membered oxolane ring cis-fused to the 1,3-dioxane ring adopts an envelope form. The bridgehead C atom at the flap, which is bonded to the tetra-substituted C atom of the o...

Journal: :Chemosphere 2017
Ann Kambhu Megan Gren Wei Tang Steve Comfort Clifford E Harris

1,4-dioxane is an emerging contaminant that was used as a corrosion inhibitor with chlorinated solvents. Metal-activated persulfate can degrade dioxane but reaction kinetics have typically been characterized by a rapid decrease during the first 30 min followed by either a slower decrease or no further change (i.e., plateau). Our objective was to identify the factors responsible for this plateau...

2017
Norifumi Yamamoto Daisuke Inoue Masashi Kuroda Michihiko Ike

Pseudonocardia sp. strain N23 is a 1,4-dioxane-degrading bacterium that is capable of utilizing 1,4-dioxane as the sole carbon and energy source. Here, we report the draft genome sequence of strain N23, with a size of 6.5 Mbp, to identify the genes associated with 1,4-dioxane degradation.

2010
Wu-Lan Zeng

The title compound, C(15)H(14)O(4), was prepared by the reaction of 2,2-dimethyl-1,3-dioxane-4,6-dione and (Z)-3-phenyl-acryl-aldehyde in ethanol. The dioxane ring is in a sofa conformation with the C atom bonded to the two methyl groups forming the flap. With the exception of the flap atom and the methyl group C atoms, all other non-H atoms are essentially planar, with an r.m.s. deviation of 0...

2010
Jian-Qiang Wang Ren-Jun Du Wei Wang Chang-Jun Luan Cheng Guo

In the title complex, [CdCl(2)(C(4)H(8)O(2))](n), two different Cd(II) ions are present, one in a general position and one with site symmetry 2. The Cd(II) ions are coordinated by two O atoms from two 1,4-dioxane ligands and four chloride anions in a slightly distorted octa-hedral geometry and is connected to neighboring Cd(II) ions by two bridging chloride anions, generating infinite linear ch...

2008
Yi-Ming Luo Xing-Ming Liu Xian-You Yuan Min Zhang Seik Weng Ng

In the title compound, C(12)H(16)O(4), the 1,3-dioxane ring adopts a chair conformation; the 2-phenyl substitutent occupies an equatorial position. Adjacent mol-ecules are linked by O-H⋯O hydrogen bonds into a chain.

2003
YASUHIKO NOZAKI

The solubilities of amino acids, diglycine, and triglycine have been measured in water and aqueous ethanol as well as dioxane solutions. Free energies of transfer of amino acid side chains and backbone peptide units from water to ethanol and dioxane solutions have been calculated from these data. The results show the similarity between the ‘effects of ethanol and dioxane on the stability of tho...

Journal: :The Journal of the Society of Chemical Industry, Japan 1964

Journal: :Acta Crystallographica Section E Structure Reports Online 2011

Journal: :Chemical communications 2010
Thibault Cantat Brian L Scott Jaqueline L Kiplinger

Anhydrous thorium tetrachloride complexes ThCl(4)(DME)(2), ThCl(4)(1,4-dioxane)(2), and ThCl(4)(THF)(3.5) have been easily accessed from inexpensive, commercially available reagents under mild conditions and serve as excellent precursors to a variety of thorium(iv) halide, alkoxide, amide and organometallic compounds.

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