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!

220107-35-7

2-TERT-BUTOXYCARBONYLAMINO-5-TRIFLUOROMETHOXY-BENZOIC ACID synthesis

5synthesis methods
-

Yield:220107-35-7 81%

Reaction Conditions:

Stage #1: tert-butyl N-(4-trifluoromethoxyphenyl)carbamatewith tert.-butyl lithium in tetrahydrofuran;pentane at -50; for 2 h;
Stage #2: carbon dioxide in tetrahydrofuran;pentane at 25;

References:

Leroux, Frederic;Castagnetti, Eva;Schlosser, Manfred [Journal of Organic Chemistry,2003,vol. 68,# 12,p. 4693 - 4699]

江津市| 盐池县| 重庆市| 简阳市| 兴安县| 景泰县| 塘沽区| 乐东| 宁陵县| 武邑县| 砚山县| 抚宁县| 鄢陵县| 湘阴县| 恭城| 巴彦淖尔市| 八宿县| 仙游县| 长宁区| 调兵山市| 双江| 石林| 涞源县| 册亨县| 三台县| 明光市| 东至县| 社会| 红河县| 富阳市| 若羌县| 手机| 义马市| 西宁市| 赣榆县| 云阳县| 寿光市| 江津市| 奇台县| 肃南| 安吉县|