一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List Ethyl pivaloylacetate
17094-34-7

Ethyl pivaloylacetate synthesis

10synthesis methods
-

Yield:17094-34-7 91%

Reaction Conditions:

in paraffin oil;Diethyl carbonate

Steps:

1.4 Preparation of Pivaloyl Acetic Esters
4. 325 g of sodium hydride (80% solution in paraffin oil) were suspended in 2500 cc of diethyl carbonate and 500 cc of hexamethyl phosphoric acid triamide, 500 g of pinacolone (92%) were then slowly added dropwise at 45° to 50° C. and, on completion of the addition the reaction mixture was treated as described in 3 above. The yield was 91% of pivaloyl acetic acid ethyl ester.

References:

AGFA-Gevaert, A.G. US4031130, 1977, A

FullText

Ethyl pivaloylacetate Related Search:

海城市| 安达市| 读书| 当涂县| 黄石市| 蒙城县| 卫辉市| 漯河市| 宁乡县| 嵊州市| 德钦县| 嫩江县| 明星| 荥经县| 榆树市| 托克逊县| 绵阳市| 炎陵县| 潞西市| 诸城市| 靖宇县| 四平市| 察雅县| 从江县| 秦皇岛市| 永善县| 穆棱市| 枞阳县| 玛曲县| 昌宁县| 普兰县| 班戈县| 淮安市| 广水市| 枝江市| 宁国市| 乌拉特后旗| 张家川| 会东县| 济宁市| 江西省|