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 arecoline
63-75-2

arecoline synthesis

8synthesis methods
-

Yield:63-75-2 100%

Reaction Conditions:

with potassium carbonate in dichloromethane;water at 20; for 0.5 h;

Steps:



Methyl 1 -methyl- 1,2,5,6-tetrahydropyridine-3-carboxylate.K2C03 (50 g; 361 .78 mmol) was added to a solution of methyl 1 -methyl-1 ,2,5,6- tetrahydropyridine-3-carboxylate hydrobromide (50 g; 21 1 .77 mmol) in H20 (50 ml) and DCM (250 ml), and stirred at RT for 30 mins. The organic layer was separated, washed with brine, dried over MgS04, filtered and concentrated to provide the desired intermediate (34 g, quantitative yield).

References:

WO2012/16001,2012,A1 Location in patent:Page/Page column 50

arecoline Related Search: