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 Diphenyl sulfide
139-66-2

Diphenyl sulfide synthesis

15synthesis methods
-

Yield:139-66-2 99%

Reaction Conditions:

with potassium tert-butylate;nickel 1,3-dibenzylimidazolidene in N,N-dimethyl-formamide at 110; for 16 h;Product distribution / selectivity;

Steps:

3

Different substrates were investigated(C)2-Ni catalyst Excellent activities for deactivated aryl iodides were observed. Quantitative yields were observed by using 1-1.5 mol% of Wi catalyst in DMP at 80oC for thiophenol (Table 4, entries 1-2) . For electron-rich aryl bromides, high activities were observed for (C)2-Ni. Low conversions and byproducts were observed for reactions of thiophenol with weaker bases (e.g., carbonate or phosphate) . Conversions of less than 50% are considered as low conversion. When KOtBu (or NaOtBu) was used as the base, good to excellent yields were observed for various substrates with 3-4 mol% of Ni catalyst {Table 4, entries 3-12). Good yield was also observed with alkyl thiol (Table 4, entry 13).

References:

WO2008/136770,2008,A1 Location in patent:Page/Page column 30-32

Diphenyl sulfide Related Search:

闻喜县| 永嘉县| 繁昌县| 滦南县| 顺义区| 贵阳市| 罗定市| 阜康市| 扶沟县| 遵化市| 固镇县| 沂水县| 墨竹工卡县| 舞钢市| 巴马| 漳浦县| 如东县| 新丰县| 万盛区| 永胜县| 洛川县| 维西| 鄂尔多斯市| 临湘市| 宣城市| 阳泉市| 枣强县| 宜兰市| 波密县| 咸阳市| 乌恰县| 莆田市| 游戏| 绥德县| 株洲县| 高唐县| 开封县| 综艺| 淮安市| 武宣县| 台安县|