翻訳と辞書
Words near each other
・ Dibenzazepine
・ Dibenzepin
・ Dibenzo-1,4-dioxin
・ Dibenzo-18-crown-6
・ Dibenzocycloheptene
・ Dibenzofuran
・ Dibenzopentalene
・ Dibenzopyrenes
・ Dibenzothiazepine
・ Dibenzothiepin
・ Dibenzothiophene
・ Dibenzothiophene dihydrodiol dehydrogenase
・ Dibenzoylmethane
・ Dibenzoylmorphine
・ Dibenzyl ketone
Dibenzylideneacetone
・ Dibenzylpiperazine
・ DiBernardo
・ Dibeti
・ Dibharna
・ DiBiase
・ Dibiase
・ Dibiasi
・ Dibidale
・ Dibina
・ Dibindi
・ Dibis Dam
・ Dibiyapur
・ Dibiyaso language
・ Dibla


Dictionary Lists
翻訳と辞書 辞書検索 [ 開発暫定版 ]
スポンサード リンク

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

|Section2=
|Section3=
}}
Dibenzylideneacetone or dibenzalacetone, often abbreviated dba, is an organic compound with the formula C17H14O. It is a pale-yellow solid insoluble in water, but soluble in ethanol. Dibenzylideneacetone is used as a component in sunscreens and as a ligand in organometallic chemistry.
== Preparation==
The compound can be prepared in the laboratory by an aldol condensation of benzaldehyde and acetone with sodium hydroxide in a water/ethanol medium with the exclusive formation of the ''trans'',''trans'' isomer (melting point 110–111 °C).
:
:
This reaction is frequently encountered in organic chemistry education as a laboratory procedure. The conversion proceeds via the intermediacy of benzylideneacetone.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Dibenzylideneacetone」の詳細全文を読む



スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース

Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.