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 3-CHLORO-5-FLUOROPHENYLMAGNESIUM BROMIDE
480438-50-4

3-CHLORO-5-FLUOROPHENYLMAGNESIUM BROMIDE synthesis

1synthesis methods
-

Yield:-

Reaction Conditions:

with iodine in tetrahydrofuran; for 1 h;Heating / reflux;Grignard Reaction;

Steps:

6.3

A 100 mL 3 -neck flask was placed under N2 and equipped with a condenser and an addition funnel. Magnesium (2.0 g, 83 mmol) were added, bromo-3-chloro- 5-fluoro benzene (15 g, 72.5 mmol) was taken up in dry THF (70 mL), and transferred to the addition funnel. The Grignard reaction was initiated with approximately 2 mL of the bromo-3-chloro -5-fluorobenzene solution and iodine. The remaining bromo-3-chloro-5-fluorobenzene solution was added and the reaction was refluxed 1 hour.

References:

WO2008/156817,2008,A2 Location in patent:Page/Page column 150-151

石门县| 孝义市| 辛集市| 阿城市| 手游| 分宜县| 南部县| 综艺| 遂昌县| 甘德县| 游戏| 祁东县| 霞浦县| 郓城县| 女性| 南丹县| 康定县| 丹寨县| 普格县| 临夏市| 康平县| 饶阳县| 尼勒克县| 达拉特旗| 灵石县| 通州市| 吉林省| 调兵山市| 万荣县| 伊宁县| 湛江市| 嘉鱼县| 宁德市| 奉贤区| 洛浦县| 和田市| 东明县| 搜索| 苍山县| 林州市| 东城区|