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 Mercaptosuccinic acid
70-49-5

Mercaptosuccinic acid synthesis

3synthesis methods
-

Yield:70-49-5 75 %Chromat.

Reaction Conditions:

with hydrogen sulfide;molecular sieves 4A (powder) in 1-methyl-pyrrolidin-2-one at 100; under 3900.39 - 3975.4 Torr; for 5 h;Product distribution / selectivity;

Steps:

21
Except that the types of α, β-unsaturated carboxylic acids were changed to the types as shown in Table 2, reaction was conducted in the same manner as in Example 1. The results are shown in Table 2.

References:

SHOWA DENKO K.K. WO2009/38232, 2009, A2 Location in patent:Page/Page column 31-32

FullText

Mercaptosuccinic acid Related Search:

中超| 攀枝花市| 邵东县| 东至县| 蓝田县| 泸水县| 华容县| 黑龙江省| 德格县| 新泰市| 香港| 安丘市| 广南县| 车致| 监利县| 大同县| 嘉兴市| 武乡县| 沙湾县| 方正县| 呼玛县| 九台市| 高安市| 榆树市| 平顺县| 罗甸县| 大兴区| 鸡泽县| 漾濞| 敦煌市| 孟州市| 泰顺县| 耒阳市| 株洲县| 盖州市| 双流县| 福海县| 三门县| 宜阳县| 吉林省| 建阳市|