Results 281 to 290 of about 1,084,894 (326)
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Synthetic Communications
An efficient method for the synthesis of indolo[2,1-a]isoquinolines using calcium carbide as an alkyne source, 2-(2-bromophenyl)-1H-indoles as starting materials, and copper as a catalyst is described.
Xinjie You +3 more
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An efficient method for the synthesis of indolo[2,1-a]isoquinolines using calcium carbide as an alkyne source, 2-(2-bromophenyl)-1H-indoles as starting materials, and copper as a catalyst is described.
Xinjie You +3 more
semanticscholar +1 more source
Modelling of a Plasma Reactor for the Synthesis of Calcium Carbide
Canadian Metallurgical Quarterly, 1998Abstract Plasma synthesis of calcium carbide was investigated using calcium oxide and graphite powders. A semi-batch spout-fluid bed reactor with a DC plasma torch was used for the study. Argon was used to initiate the plasma and hydrogen gas was then added to increase power and raise the plasma jet enthalpy.
M. H. El-Naas +5 more
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ChemistrySelect
A simple method for the synthesis of (Z)‐3‐benzylidene‐2‐(quinolin‐8‐yl)isoindolin‐1‐ones through C(sp2)−H bond activation, Sonogashira cross‐coupling and annulation tandem reactions using calcium carbide as a solid alkyne source, and benzamides as ...
Fei Wen +8 more
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A simple method for the synthesis of (Z)‐3‐benzylidene‐2‐(quinolin‐8‐yl)isoindolin‐1‐ones through C(sp2)−H bond activation, Sonogashira cross‐coupling and annulation tandem reactions using calcium carbide as a solid alkyne source, and benzamides as ...
Fei Wen +8 more
semanticscholar +1 more source
Phase Relationships in the Calcium Chloride – Calcium Carbide System
Canadian Journal of Chemistry, 1972The system calcium chloride – calcium carbide has been examined by thermal analysis. The depression of the freezing point of CaCl2 by CaC2 is ideal. The system is a eutectic one, with a eutectic point at 90 mol% CaCl2 at 740 °C. Carbon is believed to be present in the electrolyte as the so called acetylide ion [Formula: see text] The melting point of ...
D. R. Morris, J. F. Maillot
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Calcium carbide poisoning via food in childhood
The Journal of Emergency Medicine, 2007The fast ripening of fruits means they may contain various harmful properties. A commonly used agent in the ripening process is calcium carbide, a material most commonly used for welding purposes. Calcium carbide treatment of food is extremely hazardous because it contains traces of arsenic and phosphorous. Once dissolved in water, the carbide produces
Yağmur, Fatih +5 more
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Thermodynamic Analysis of Calcium Carbide Production
Industrial & Engineering Chemistry Research, 2014CaC2 production is studied from the viewpoint of thermodynamics using an equilibrium composition model with total Gibbs free energy minimization. It is found that CaC2 is formed directly from the reaction of C and CaO without an intermediate step under the conditions of industrial practice.
Leiming Ji, Zhenyu Liu, Qingya Liu
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Global Exploration of the Enthalpy Landscape of Calcium Carbide
The Journal of Physical Chemistry B, 2010The enthalpy landscape of CaC(2) was investigated on the ab initio level, and possible (meta)stable structures are predicted. Simulated annealing was used as a global exploration method for the determination of the local minima on the enthalpy landscapes, where the only information supplied was the number of atoms per unit cell.
Martin Jansen +3 more
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Vinylation of Selected Terpenols with Calcium Carbide
Russian Journal of General Chemistry, 2017A method for the synthesis of vinyl derivatives of the terpenols verbenol and fenchol by their reaction with calcium carbide was developed. It was found that addition of potassium fluoride affects the yield of nucleophilic addition of the corresponding alcoholate ions to acetylene.
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