نتایج جستجو برای: trimethylsilyl cyanide

تعداد نتایج: 10439  

2017
Muhammad Kifayatullah Md. Moklesur Rahman Sarker Mohd Shahimi Mustapha

The aim of the present research work was to determine the Phyto-constituents in fraction collected from ethanolic extract of Pericampylus glaucus leaf using the GC and Mass spectrometry. The Phyto-chemical screening of fraction from ethanolic extract of Pericampylus glaucus leaves were carried out with the help of Perkin-Elmer GC followed by Mass Spectrometry. The GC-MS chromatogram of Pericamp...

بنیادی , ضیاالدین, شکوهی , رضا, محوی, امیرحسین,

Background and purpose: Cyanide is a species of high toxicity that is found mostly in industrial effluents such as electroplating, metal mining, metallurgy and metal cleaning processes. Entrance of it to existing environment contains a hazardous to health. The purpose of this study was to compare efficiency of both sonochemical and sonochemical / hydrogen peroxide processes for cyanide rem...

Journal: :Organometallics 2021

The direct synthesis of 1,1?,2,2?-tetralithioferrocene from 1,1?,2,2?-tetrabromoferrocene is reported. In addition, the related 1,1?,2,2?,3,3?-hexalithioferrocene also described, prepared directly 1,1?,2,2?,3,3?-hexabromoferrocene. These lithioferrocenes may be isolated as orange red (tetralithio) and (hexalithio) powders, respectively. When these are in situ reacted with chlorotrimethylsilane,...

Journal: :Dalton transactions 2009
René Kuzora Axel Schulz Alexander Villinger Ronald Wustrack

Starting from tris(trimethylsilyl)silane the novel 2-chloro-3,4-bis-tris(trimethylsilyl)silyl-cyclo-diphospha-diazenium-tetrachloridogallate salt (7) was prepared in a six step synthetic procedure including the synthesis of N-tris(trimethylsilyl)silyl-aminodichlorophosphine (4) and 1,3-dichloro-2,4-bis-tris(trimethylsilyl)silyl-cyclo-diphospha-diazane (5). All intermediate products along the re...

حسین‌زاده , ادریس , رحمانی , علیرضا , رحیمی , ناصر , صمدی, محمدتقی , عسگری, قربان,

  Background & Aims : Right branch of Sarugh River is the main river in Takab city, north western Iran, which is located at downstream of present gold extraction plants. Cyanide leak aging from tailings dams of plants is a serious threat to the health of river. This study was conducted to evaluate Cyanide concentration and transferring cyanide to the river.   Materials & Methods : In this cross...

Journal: :Organic & biomolecular chemistry 2012
Ying Fu Yanhua Liu Yaojuan Chen Helmut M Hügel Minzhu Wang Danfeng Huang Yulai Hu

A general procedure for the nucleophilic addition of organozinc halides with nitrones in the presence of trimethylsilyl chloride has been developed. Trimethylsilyl chloride was found to be both an indispensable reaction promoter and a ready hydroxylamine protective agent in these reactions. The produced O-(trimethylsilyl)hydroxylamines can be easily reduced into corresponding amines just by a z...

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