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 CALYCOSIN 7-O-GLUCOSIDE
20633-67-4

CALYCOSIN 7-O-GLUCOSIDE synthesis

5synthesis methods
Calycosin-7-glucoside is mainly used to improve immune function, enhance antioxidant, anti-radiation and anti-cancer effects, and protect cardiovascular and cerebrovascular, liver, kidney and lung effects. Its synthesis method is that : The 3'-acetoxy-7-O-β-D-tetraacetylglucosamine isoflavone glycosides in methanol and sodium methoxide were stirred and reacted, and the mixture was neutralized and purified with 732 cation exchange resin to obtain Calycosin-7-glucoside.
-

Yield:-

Steps:

Multi-step reaction with 4 steps
1: triethylamine / dichloromethane / 12 h / 0 - 20 °C
2: potassium carbonate / dichloromethane; methanol / 8 h / 20 °C
3: potassium carbonate; tetrabutylammomium bromide / N,N-dimethyl-formamide; acetone / 24 h / 20 °C / Inert atmosphere
4: sodium methylate / methanol / 2 h / 0 °C

References:

Chinese Academy Of Sciences Shanghai Pharmaceutical Institute;Huang Chenggang;Li Zhixiong;Zhang Yucheng;Gao Yu;Xie Yang;Tian Xiaoting;Hu Pei;Chen Mingcang;Sun Zhaolin CN106749453, 2017, A

FullText

CALYCOSIN 7-O-GLUCOSIDE Related Search:

翁牛特旗| 萝北县| 正宁县| 鲁甸县| 岳阳市| 旌德县| 兴义市| 汾西县| 秦安县| 黑水县| 个旧市| 延安市| 安图县| 互助| 乡宁县| 淅川县| 德令哈市| 中江县| 汝阳县| 吉隆县| 洛川县| 柘荣县| 泰来县| 新密市| 上饶县| 屏东市| 靖远县| 浦城县| 德州市| 龙口市| 那坡县| 通州区| 集安市| 特克斯县| 双流县| 区。| 莎车县| 丰县| 海原县| 长宁区| 昌平区|