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!

2530-99-6

1-Allyl-3,7-dimethylxanthine synthesis

6synthesis methods
-

Yield:2530-99-6 95%

Reaction Conditions:

Stage #1: theobromine /;allyl bromidewith sodium t-butanolate in N,N-dimethyl-formamide at 150; for 12 h;
Stage #2: in N,N-dimethyl-formamide at 100; for 12 h;

References:

Lo, Hung-Kun;Luo, Fen-Tair [Journal of the Chinese Chemical Society,2012,vol. 59,# 3,p. 394 - 398] Location in patent:experimental part

道孚县| 镇坪县| 赞皇县| 富裕县| 裕民县| 宜黄县| 苍南县| 临猗县| 常州市| 汾阳市| 溧水县| 阜阳市| 黄石市| 阳原县| 楚雄市| 钟山县| 梅州市| 宜都市| 浠水县| 张掖市| 平度市| 浦东新区| 崇左市| 宁南县| 新郑市| 吴旗县| 游戏| 龙胜| 安新县| 梁河县| 洛隆县| 祁连县| 会昌县| 米脂县| 抚松县| 洪洞县| 大埔县| 商洛市| 通化市| 威远县| 延川县|