天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
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 Dihydrochelerythrine
6880-91-7

Dihydrochelerythrine synthesis

12synthesis methods
-

Yield: 94%

Reaction Conditions:

with methanol;sodium tetrahydroborate at 20; for 0.5 h;Darkness;

Steps:

2.1 (1) Compound I-1: Dihydrochelerythrine
The compound chelerythrinechloride (120mg, 0.31mmols) was dissolved in 20mL methanol solution, sodium borohydride (100mg, 2.7mmols) was added,After stirring for 30 minutes at room temperature in the dark, stop the reaction and filter with suction.Wash the solid with ultrapure water and methanol, dry in vacuum,The white solid product dihydrochelerythrine (102 mg, yield: 94percent) was obtained.

References:

South China University of Technology;Tang Benzhong;Gao Meng;Ling Xia;Huang Letao CN111171039, 2020, A Location in patent:Paragraph 0072-0077

Dihydrochelerythrine Related Search: