ブチルアルデヒドジエチルアセタール
ブチルアルデヒドジエチルアセタール 価格
もっと(2)
メーカー |
製品番号 |
製品説明 |
CAS番号 |
包装 |
価格 |
更新時間 |
購入 |
富士フイルム和光純薬株式会社(wako)
|
39343-1A |
Butyraldehyde diethylacetal |
3658-95-5 |
5g |
¥10670 |
2024-07-01 |
購入 |
Sigma-Aldrich Japan
|
03633 |
analytical standard
Butyraldehyde diethyl acetal analytical standard |
3658-95-5 |
250mg |
¥11800 |
2018-12-25 |
購入 |
ブチルアルデヒドジエチルアセタール 化学特性,用途語,生産方法
化学的特性
Clear colorless liquid
製造方法
To a three-necked flask equipped with an air-tight mechanical stirrer, dropping funnel, reflux condenser, and drying tube, are added 3.0 gm (1.25 gm-atom) magnesium turnings, 50 ml of dry ether, and a small crystal of iodine. Then 5 gm of rt-butyl bromide is added dropwise until 171.0 gm (1.25 mole) has been added. The reaction takes about ½ - l h r if the reaction mixture is cooled. The solution is refluxed for ½ hr, cooled to 50°C, and then 148 gm (1.0 mole) of triethyl orthoformate is added dropwise over a ½-hr period. The reaction mixture is refluxed for 16 hr, crushed ice added to decompose the excess Grignard reagent, the ether separated and washed with water. The water layer is added to a separatory funnel containing 200 ml of ether, treated with acetic acid to pH 7.0, shaken, and the ether separated. The latter ether layer is washed with 10% aqueous sodium carbonate, water, and dried. The latter water layer is extracted twice again with ether (200 ml). The combined ether layers are dried over potassium carbonate and fractionated to afford 128 gm (80%), b.p. 143°-144°.
ブチルアルデヒドジエチルアセタール 上流と下流の製品情報
原材料
準備製品
ブチルアルデヒドジエチルアセタール 生産企業
Global( 50)Suppliers
3658-95-5(ブチルアルデヒドジエチルアセタール)キーワード:
- 3658-95-5
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