一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
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 2-CHLORO-4-METHYLBENZONITRILE
7390-42-3

2-CHLORO-4-METHYLBENZONITRILE synthesis

2synthesis methods
-

Yield:7390-42-3 97%

Reaction Conditions:

with Lawessons reagent in toluene at 20; for 0.15 h;

Steps:

33.1 Step 1

To a mixture of 527a (7 g, 0.55 mol) in toluene (100 mL) was added Lawesson Reagent (22.3 g, 55 mmol). The mixture was allowed to stir at room temperature for about 15 hours. The reaction mixture was concentrated in vacuo, and the resulting residue was purified using flash column chromatography on silica gel, eluting with petroleum ether: ethyl acetate (15/1-5/1) to provide 527b (8 g, 97 %)

References:

WO2014/110705,2014,A1 Location in patent:Page/Page column 144

略阳县| 当雄县| 荆门市| 蕉岭县| 平果县| 岑溪市| 卢氏县| 韩城市| 盘山县| 临湘市| 同德县| 南雄市| 临泉县| 昂仁县| 昂仁县| 临潭县| 林州市| 台山市| 册亨县| 阿克苏市| 四子王旗| 逊克县| 广昌县| 颍上县| 曲阜市| 牟定县| 绥宁县| 建阳市| 辉南县| 霞浦县| 宁陕县| 平度市| 呼图壁县| 威信县| 全椒县| 且末县| 柳州市| 公主岭市| 岳普湖县| 娄底市| 宁海县|