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・ Diphenoxylate
・ Diphenyl carbonate
・ Diphenyl diselenide
・ Diphenyl disulfide
・ Diphenyl ditelluride
・ Diphenyl ether
・ Diphenyl oxalate
・ Diphenyl sulfone
・ Diphenyl-2-pyridylmethane
・ Diphenyl-2-pyridylphosphine
・ Diphenylacetylene
・ Diphenylalanine
・ Diphenylamine
・ Diphenylamine (data page)
・ Diphenylbutylpiperidine
Diphenylchlorarsine
・ Diphenylcyanoarsine
・ Diphenylcyclopropenone
・ Diphenyldichloromethane
・ Diphenylethylenediamine
・ Diphenylhexatriene
・ Diphenylketene
・ Diphenylmercury
・ Diphenylmethane
・ Diphenylmethanol
・ Diphenylmethylpiperazine
・ Diphenylphosphine
・ Diphenylphosphoryl azide
・ Diphenylprolinol
・ Diphenylpropylamine


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Diphenylchlorarsine : ウィキペディア英語版
Diphenylchlorarsine

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Diphenylchloroarsine (DA) is the organoarsenic compound with the formula (C6H5)2AsCl. It is a low-melting solid. It is highly toxic and was once used in chemical warfare. It is also an intermediate in the preparation of other organoarsenic compounds. The molecule consists of a pyramidal As(III) center attached to two phenyl rings and one chloride.
==Preparation and structure==
It was first produced in 1878 by Michaelis and La Coste. It is prepared by the reduction of diphenylarsonic acid with sulfur dioxide. An idealized equation is shown:
:Ph2AsO2H + SO2 + HCl → Ph2AsCl + H2O + SO3
The structure consists of pyramidal As centre. The As-Cl distance is 2.26 A and the Cl-As-C and C-As-C angles are 96 and 105°, respectively.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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