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 CYCLOPENTYL ISOTHIOCYANATE
33522-03-1

CYCLOPENTYL ISOTHIOCYANATE synthesis

6synthesis methods
-

Yield:-

Reaction Conditions:

with calcium carbonate in dichloromethane;water at 20; for 2 h;

Steps:

Synthesis of Isothiocyanate 2 (General Procedure)
General procedure: To a mixture of a solution of amine 1 (23 mmol) in methylenechloride (20 mL) and calcium carbonate (CaCO3) (138mmol) in water (80 mL) was added thiophosgene (45 mmol).The mixture was stirred for 2 h at room temperature, and then extracted with methylene chloride. The organic extract was washed with brine and dried over anhydrous MgSO4.The solvent was removed by evaporation to afford 2 (55-94% yields).

References:

Nam, Kee Dal;Han, Minsoo;Yoon, Jun;Kim, Eun-A;Cho, Sung-Woo;Hahn, Hoh-Gyu [Bulletin of the Korean Chemical Society,2013,vol. 34,# 1,p. 271 - 274]

CYCLOPENTYL ISOTHIOCYANATE Related Search: