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 Isobutyl 2,4-dichlorophenoxyacetate
1713-15-1

Isobutyl 2,4-dichlorophenoxyacetate synthesis

4synthesis methods
-

Yield: 98.12%

Reaction Conditions:

with D201OH at 120; for 4 h;Large scale;

Steps:

9
Adding 78.44 g of 99% isobutanol to methyl 2,4-dichlorophenoxyacetate,1.87g macroporous styrene strong basic anion exchange resin D201OH,The reaction was carried out at 120 ° C for 4 h while distilling off the alcohol formed by the reaction.After the reaction was completed, 274.98 g of 2,4-dichlorophenoxyacetic acid isobutyl ester was obtained.The content was 98.8%, and the total yield was 98.12% based on phenol.

References:

Shandong Runbo Biological Technology Co., Ltd.;Sun Guoqing;Hou Yongsheng;Zhang Liguo;Chi Zhilong;Hu Yishan CN108947837, 2018, A Location in patent:Paragraph 0104; 0107

Isobutyl 2,4-dichlorophenoxyacetate Related Search:

蚌埠市| 冷水江市| 营口市| 凤庆县| 林周县| 苗栗市| 赣榆县| 呼玛县| 隆尧县| 深水埗区| 濉溪县| 沾益县| 全州县| 北碚区| 和龙市| 金塔县| 商河县| 嘉祥县| 建德市| 淮阳县| 桐梓县| 出国| 外汇| 安徽省| 南部县| 乌什县| 桐庐县| 瑞安市| 忻城县| 拉萨市| 普格县| 宣化县| 北宁市| 房山区| 尖扎县| 隆化县| 连南| 五寨县| 太保市| 永登县| 思茅市|