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!

2228-27-5

2(1H)-Pyrimidinone, 4-(dimethylamino)-1-methyl- synthesis

4synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 75 percent / POCl3 / 4 h / 70 °C
2: 72 percent / K2CO3 / acetonitrile / 1 h / 50 °C

References:

Celewicz;Ciszewski;Golankiewicz [Synthetic Communications,1991,vol. 21,# 14,p. 1489 - 1500]