成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

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 Ethyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxopiperidine-3-carboxylate
202534-94-9

Ethyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxopiperidine-3-carboxylate synthesis

3synthesis methods
-

Yield:202534-94-9 93.22 %

Reaction Conditions:

Stage #1: 4-fluorobenzaldehydewith sodium t-butanolate in ethyl acetate at -5 - 20;
Stage #2: ethyl 3-(methylamino)-3-oxopropanoatewith sodium methylate in ethyl acetate at 10 - 15;
Stage #3: acetic acid in water;ethyl acetate;

References:

WO2022/269643,2022,A1 Location in patent:Page/Page column 21-23; 25-29

Ethyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxopiperidine-3-carboxylate Related Search: