thionyl chloride वाक्य
उदाहरण वाक्य
मोबाइल
- Then, a Wittig type of reaction followed by dehydration with thionyl chloride and pyridine results in alkene 2.
- In April 1990, Mobay and Department of Defense with thionyl chloride, a chemical needed for the production of sarin.
- Thionyl chloride first reacts with the alcohol to form an alkyl chloro sulfite, actually forming an intimate ion pair.
- The hydroxyl group on carboxylic acids may be replaced with a chlorine atom using thionyl chloride to give acyl chlorides.
- 2-Furoyl chloride was prepared in 1924 by Gelissen by refluxing 2-furoic acid in excess thionyl chloride on a water bath.
- Additionally, the dehydration of furfural aldoxime to 2-furonitrile has been accomplished in high yield employing thionyl chloride-benzotriazole or triphenylphosphine-iodine reagents.
- The conceptually similar Emde route involves reduction of ephedrine to chloroephedrine using thionyl chloride ( SOCl 2 ), followed by catalytic hydrogenation.
- Diol 16 needs to be treated with thionyl chloride and further oxidation with RuCl3 provides the cyclic sulfate 17 in 83 % yield.
- Use thionyl chloride or oxalyl chloride instead of PCl5 ? ( This is in-situ acyl chloride formation . ) Use an activated ester?
- It will react with thionyl chloride to produce methylphosphonic acid dichloride, which is used in the production of sarin and soman nerve agents.
- Specifically, it is produced by the Diels-Alder reaction of hexachlorocyclopentadiene with " cis "-butene-1, 4-diol and subsequent reaction of the adduct with thionyl chloride.
- Thionyl chloride has a long shelf life, however " aged " samples develop a yellow hue, possibly due to the formation of disulfur dichloride.
- The BA-4386 was widely used by the US military from 1968 until c . 1984 when it was replaced by a lithium thionyl chloride battery.
- When using thionyl chloride, acyl chloride groups result, which can then form aliphatic and aromatic amides with a reactivity conversion of around 70 80 %.
- Thionyl chloride is more commonly used in the laboratory because the SO 2 is more easily separated from the organic products than is POCl 3.
- Solution of lithium tetrachloroaluminate in thionyl chloride is the liquid cathode and electrolyte of some lithium batteries, e . g . the lithium-thionyl chloride cell.
- Solution of lithium tetrachloroaluminate in thionyl chloride is the liquid cathode and electrolyte of some lithium batteries, e . g . the lithium-thionyl chloride cell.
- She sneaks onto the truck where he loaded the bag, opens it, and finds, hidden beneath the grain, containers of thionyl chloride manufactured by EDK Technik.
- The Rosenmund route also uses hydrogen gas and a palladium catalyst poisoned with barium sulfate ( Rosenmund reduction ), but uses perchloric acid instead of thionyl chloride.
- The substance left behind is a virtual witches'brew of caustic and carcinogenic chemicals, including various acids, phosphine gas, solvent and amphetamine fractions, benzene, chloroform and thionyl chloride.
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