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汕头大学海洋科学接受调剂
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sanjiang

木虫 (正式写手)

[交流] Diethyl phosphonate指的是什么物质?

今天看-文章,An ethanol solution (10 ml) of diethyl phosphonate
(0.02 mol) was then added dropwise.不知这句话中Diethyl phosphonate指的是什么?是HPO(OEt)2吗?怎么制备?请多指教!
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hanshihhh

金虫 (正式写手)

diethyl phosphate就是你说的那东西
好像《有机中间体制备》有
共享工作站概述,一台电脑多人同时使用,www.matrixstation.cn/summary.html
2楼2006-12-26 10:38:37
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zhangquee

至尊木虫 (文坛精英)

爱花不采花,潇洒不乱洒!


huyuchem(金币+1):谢谢
Diethyl phosphonate, 9CI
Synonym(s): Diethyl phosphite. Diethoxo(hydrido)oxophosphorus(V). Diethoxo(hydroxo)phosphorus(III)
Chapman  Hall Number: JRL61-D
CAS Registry Number: 762-04-9
Type of Compound Code(s): AC1040 AC5040
(EtO)2P(O)H   (EtO)2POH

Molecular Formula: C4H11O3P
Molecular Weight: 138.103
Accurate Mass: 138.044582
Percentage Composition: C 34.79%; H 8.03%; O 34.76%; P 22.43%
General Statement: Tautomeric; almost completely in the phosphoryl form
Use/Importance: Ethylating agent for N-heterocyclic compds. S-Ethylates thioamides. Hydrophosphorylating agent for alkenes and alkynes
Physical Description: Colourless liq.
Boiling Point: Bp 187-188. Bp2 50-51
Density: d200 1.07
Refractive Index: n20D  1.4076

McCombie, H. et al., J.C.S., 1945, 380 (synth)
Foxton, A.A. et al., J.C.S.(A), 1966, 249 (synth)
一笑而过~
3楼2006-12-26 12:36:02
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