نتایج جستجو برای: polyoxomolybdate

تعداد نتایج: 62  

2015
Kun Chen Shan She Jiangwei Zhang Aruuhan Bayaguud Yongge Wei

Mercury and its compounds are known to be extremely toxic but widely distributed in environment. Although many works have been reported to efficiently detect mercury, development of simple and convenient sensors is still longed for quick analyzing mercury in water. In this work, a nanoscale metal-oxo cluster, (n-Bu4N)2[Mo5NaO13(OCH3)4(NO)], (MLPOM), organically-derivatized from monolacunary Lin...

Journal: :Chemical communications 2005
Bogdan Botar Paul Kögerler Achim Müller Ricardo Garcia-Serres Craig L Hill

The self-assembly of molybdate building units in the presence of Fe(II) and V(IV) produces the first mixed-spin heterometal keplerate-type clusters displaying ferrimagnetic interactions.

Journal: :Physical chemistry chemical physics : PCCP 2011
Ryo Tsunashima De-Liang Long Toru Endo Shin-ichiro Noro Tomoyuki Akutagawa Takayoshi Nakamura Raul Quesada Cabrera Paul F McMillan Paul Kögerler Leroy Cronin

The Dawson-type polyanion [α-Mo(18)O(54)(SO(3))(2)](4-), with two SO(3)(2-) templates embedded inside a polyoxomolybdate(vi) cage, exhibits thermochromism over an exceptionally wide temperature range (∼500 K). The temperature dependence of the cluster structure, established from X-ray crystallography, IR and Raman spectroscopy and DFT calculations, is related to a decreasing HOMO-LUMO gap in th...

Journal: :Acta Crystallographica Section A Foundations and Advances 2019

2007
Chun-Wei Yeh Chia-Her Lin Jhy-Der Chen

The title compound, (C(8)H(8)N(5))(2)[Mo(6)O(19)], was prepared by reaction of Mo(CO)(6) and dipyrimidylamine in refluxing toluene. The hexa-nuclear polyoxomolybdate anions lie on centres of inversion. Each 2-(pyrimidin-2-ylamino)pyrimidinium cation forms an intra-molecular N-H⋯N hydrogen bond and the cations are linked through self-complementary pairs of N-H⋯N hydrogen bonds into dimers across...

Journal: :Journal of Inorganic and Organometallic Polymers and Materials 2021

Despite the promising anti-cancer properties of polyoxometalates (POMs) compound, they have not yet been reported for clinical use due to their general toxicity. This study reports synthesis tocopherol succinate (TS)-polyoxomolybdate (POMo) conjugate (T2POMo) as a novel organic–inorganic hybrid POMo and evaluating its in vitro. The aim was introduce more potent derivative with less toxicity tha...

Journal: : 2022

The paper present results of studies the two-stage preparation C10-C12 tricyclic vicinal amino alcohols from partially hydrogenated condensation products cyclopentadiene and cyclohexa-1,3-diene, by epoxidizing them with hydrogen peroxide in presence cobalt-containing polyoxomolybdate, followed aminolysis oxidate diethylamine, morpholine, or piperidine. structure synthesized compounds was confir...

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