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 Acrivastine
87848-99-5

Acrivastine synthesis

5synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 5 steps
1: 12.2 g / BuLi / hexane; diethyl ether / 3 h / -50 °C
2: 24.3 g / p-toluenesulfonic acid / toluene / 6 h / Heating
3: 2.5 g / BuLi / diethyl ether; hexane / 4 h / -50 °C
4: 1.) NaH, 2.) conc. HCl / 1.) DME, 2 h, 2.) ethanol, H2O, steam bath, 10 min
5: 1.) BuLi, 2.) NaOH / 1.) hexane, toluene, 75 deg C, 2 h, 2.) ethanol, steam bath, 10 min

References:

Findlay;Butz;Coker;et al. [Journal of Pharmaceutical Sciences,1984,vol. 73,# 10,p. 1339 - 1344]

Acrivastine Related Search:

广灵县| 栾城县| 修武县| 扶余县| 铅山县| 且末县| 陇南市| 甘肃省| 陇川县| 九龙县| 浏阳市| 宁安市| 杭锦后旗| 泰州市| 通榆县| 安塞县| 灵川县| 邵东县| 通化市| 延长县| 灌南县| 杂多县| 三亚市| 滁州市| 中西区| 荆门市| 崇礼县| 青川县| 永和县| 诸城市| 五家渠市| 北流市| 宽甸| 梧州市| 周至县| 海宁市| 通海县| 昌平区| 长泰县| 定结县| 卢龙县|