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 N-PHENYLBENZAMIDINE
1527-91-9

N-PHENYLBENZAMIDINE synthesis

13synthesis methods
-

Yield: 68%

Reaction Conditions:

with caesium carbonate;cesium fluoride in acetonitrile at 50; for 5 h;

Steps:

General procedure for the N-monoarylation of amidines
General procedure: To a suspension of free-base amidine or HCl salt ofamidine (0.2 mmol) in MeCN (4.0 ml) were added o-silyl aryl triflate (1.5 eq.), Cs2CO3 (1.5eq. if used) and CsF (2.0 eq.). The reaction mixture was stirred at 50 °C forthe time indicated. The reaction was diluted with DCM (5 mL), filtered andconcentrated. The product was purified by chromatography.

References:

Yao, Tuanli [Tetrahedron Letters,2015,vol. 56,# 31,p. 4623 - 4626] Location in patent:supporting information

N-PHENYLBENZAMIDINE Related Search: