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 Benzoxazole
273-53-0

Benzoxazole synthesis

10synthesis methods
-

Yield:273-53-0 99%

Reaction Conditions:

with caesium carbonate in water for 0.166667 h;Microwave irradiation;

Steps:

1 Example 1: Benzoxazole:
Add 2 ml of water to the microwave reactor,1 mmol of benzamide and 0.2 mmol of cesium carbonate were reacted in a microwave power of 120 W for 10 min.Extracted with ethyl acetate and concentrated under reduced pressure.A white solid was obtained in a yield of 99%.

References:

Fujian Medical University;Gan Chenling;Xu Yiwen;Zhang Peng;Zou Yulian;Wang Jin;Lin Mei;Chen Yan;Zhou Sunying CN109369555, 2019, A Location in patent:Paragraph 0013

Benzoxazole Related Search: