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 4-Oxazolidinepropanoic Acid, 2,5-Dioxo-, 1,1-DiMethylethyl Ester, (4S)-
86409-29-2

4-Oxazolidinepropanoic Acid, 2,5-Dioxo-, 1,1-DiMethylethyl Ester, (4S)- synthesis

3synthesis methods
-

Yield:86409-29-2 78%

Reaction Conditions:

Stage #1: Boc-Glu(OtBu)-OHwith Pinene in ethyl acetate at 65; for 0.5 h;Inert atmosphere;
Stage #2: bis(trichloromethyl) carbonate in ethyl acetate at 65; for 24 h;Inert atmosphere;

References:

Nguyen, Le-Thu T.;Vorenkamp, Eltjo J.;Daumont, Christophe J.M.;Brinke, Gerrit ten;Schouten, Arend J. [Polymer,2010,vol. 51,# 5,p. 1042 - 1055] Location in patent:experimental part