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 DIMETHYL ETHYLIDENEMALONATE
17041-60-0

DIMETHYL ETHYLIDENEMALONATE synthesis

3synthesis methods
-

Yield: 97%

Reaction Conditions:

Stage #1:malonic acid dimethyl ester with acetic anhydride;lithium bromide at 80; for 4 h;
Stage #2:acetaldehyde at 80; for 1 h;Knoevenagel condensation;

References:

Sylla, Maite;Joseph, Delphine;Chevallier, Emilie;Camara, Cheikhou;Dumas, Francoise [Synthesis,2006,# 6,p. 1045 - 1049]

DIMETHYL ETHYLIDENEMALONATE Related Search: