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 5-Bromopyrimidine
4595-59-9

5-Bromopyrimidine synthesis

3synthesis methods
5-Bromopyrimidine is prepared by reacting dibromodifuranone with formamide in the presence of B2O2 catalyst at 180-185°C to obtain the product.
-

Yield:4595-59-9 48%

Reaction Conditions:

with boron trioxide in methanol at 180 - 185; for 15 h;

References:

Kress, Thomas J.;Szymanski, Edward [Journal of Heterocyclic Chemistry,1983,vol. 20,p. 1721 - 1722]

5-Bromopyrimidine Related Search: