نتایج جستجو برای: organo catalyst

تعداد نتایج: 45742  

2016
A. J. Noronha

By A. J. NORONHA, m.d., Hoiiy. Physician, J. J. Hospital, Bombay. TwEXvE bottles were supplied for trial in my wards of the preparation named Bazogen, purporting to consist of the extract of Spleen, Pancreas, Thyroid, and Adrenal. The supply of the drug was limited, and a fair trial could not be given. The accompanying charts show that a drop in the temperature occurs even in severe cases with ...

2013
Vincenzo Vaiano Diana Sannino Ana Rita Almeida Paolo Ciambelli

In this work, the results of gas phase cyclohexane photocatalytic oxidative dehydrogenation on MoOx/SO4/TiO2 catalysts with DRIFTS analysis are presented. Analysis of products in the gas-phase discharge of a fixed bed photoreactor was coupled with in situ monitoring of the photocatalyst surface during irradiation with an IR probe. An interaction between cyclohexane and surface sulfates was foun...

Journal: :Molecules 2016
Luca Bernardi Mariafrancesca Fochi

Given its synthetic relevance, the catalytic enantioselective reduction of β,β-disubstituted nitroalkenes has received a great deal of attention. Several bio-, metal-, and organo-catalytic methods have been developed, which however are usually applicable to single classes of nitroalkene substrates. In this paper, we present an account of our previous work on this transformation, which implement...

2016
W. R. Hunter T. J. Battin

Sorption of organic molecules to mineral surfaces is an important control upon the aquatic carbon (C) cycle. Organo-mineral interactions are known to regulate the transport and burial of C within inland waters, yet the mechanisms that underlie these processes are poorly constrained. Streamwater contains a complex and dynamic mix of dissolved organic compounds that coexists with a range of organ...

2017
G. Starukh

Calcined and organo-modified Zn-Al layered double hydroxides (LDHs) were studied as adsorbents and photocatalysts for removal of cationic dye, as namely methylene blue (MB). Zn-Al LDHs with a cationic ratio of 2:4 were obtained by the coprecipitation method. As-synthesized samples were calcined at different temperatures and the phase transformations were investigated by XRD, TG/DTG, and UV-vis-...

Journal: :Journal of the American Chemical Society 2005
Yong Huang Abbas M Walji Catharine H Larsen David W C MacMillan

A new strategy for organocatalysis based on the biochemical blueprints of biosynthesis has enabled a new laboratory approach to cascade catalysis. Imidazolidinone-based catalytic cycles, involving iminium and enamine activation, have been successfully combined to allow a large diversity of nucleophiles (furans, thiophenes, indoles, butenolides, hydride sources, tertiary amino lactone equivalent...

2000
G. Bonizzoni

The actual technologies for the destruction of organo-halogenated substances are reviewed and compared with the emerging plasma processes based on the non transferred arc plasma torches. The associated costs are presented.

Journal: :Chemistry Letters 2021

Journal: :Dalton transactions 2016
Ahmed Al-Yasari Nick Van Steerteghem Hani El Moll Koen Clays John Fielden

We show that polyoxometalates (POMs) are an excellent redox-active acceptor on which to base high performance 2(nd) order non-linear optical (NLO) chromophores. This is demonstrated through three new organoimido-Lindqvist derivatives with HRS β0-values exceeding those of any dipolar organic system with comparable donor, π-system and absorption profile. Thus, organoimido POMs may provide a new g...

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