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 Benzenesulfonamide
98-10-2

Benzenesulfonamide synthesis

13synthesis methods
Benzenesulfonamide is obtained by amination of benzenesulfonyl chloride.
-

Yield:98-10-2 96%

Reaction Conditions:

with ammonia in water at -10; for 3 h;

Steps:

A

200 ml of aq. NH3 is cooled to -1O0C and treated with benzenesulfonylchloride (13 g, 73 mmol). The resulting mixture is stirred at this temperature for 3h. When TLC confirmed the completion of the reaction, the reaction mixture is warmed to rt, and the resulting solid is filtered, washed with water and dried under vacuum to afford the title compound (11.1 g, 96 %). LC/MS: (ES+): 158.2, (ES-): 156.2.

References:

WO2007/23186,2007,A1 Location in patent:Page/Page column 40

Benzenesulfonamide Related Search:

南皮县| 昭通市| 平果县| 康保县| 岢岚县| 宁国市| 太保市| 白朗县| 阿坝县| 福清市| 桂林市| 高邑县| 东方市| 平定县| 灯塔市| 云龙县| 肥乡县| 福海县| 容城县| 乳源| 新竹市| 江都市| 甘孜县| 阳东县| 玉田县| 滦平县| 陕西省| 澎湖县| 墨竹工卡县| 榆树市| 敖汉旗| 清涧县| 灵山县| 克什克腾旗| 巴马| 连平县| 晋江市| 张家川| 仙桃市| 龙胜| 凤山县|