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 1-(2-Hydroxy-5-methylphenyl)ethanone
1450-72-2

1-(2-Hydroxy-5-methylphenyl)ethanone synthesis

10synthesis methods
Obtained by treatment of methyl 4-hydroxy-6-methyl-coumarin-3-carboxylate with potassium hydroxide at 200° (82%).
-

Yield:1450-72-2 90%

Reaction Conditions:

with iodine at 20;

Steps:

General procedure for deallylation of allyl phenyl ethers 2(a-i)
General procedure: A mixture of allyl phenyl ethers 1 (1 mmol) and iodine (20 mol%) in polyethylene glycol-400(10 mL) was stirred at room temperature for 25-30 minutes. The reaction mixture was poured incold solution of sodium thiosulphate and extracted by ethyl acetate. The combine organic layerwas dried over anhydrous Na2SO4 and evaporated under vacuum and purified by columnchromatography. The corresponding product was obtained in 86-96% yield.

References:

Humne, Vivek;Lokahnde, Pradeep [Synthetic Communications,2014,vol. 44,# 7,p. 929 - 935] Location in patent:supporting information

FullText

1-(2-Hydroxy-5-methylphenyl)ethanone Related Search:

南丰县| 潢川县| 晋城| 和平区| 清远市| 平阴县| 岳阳县| 信阳市| 托克逊县| 霸州市| 淄博市| 建水县| 怀仁县| 镇平县| 镇沅| 手游| 襄垣县| 南和县| 原平市| 巴彦淖尔市| 潼南县| 万源市| 正宁县| 安岳县| 浦县| 汝阳县| 建德市| 赞皇县| 炉霍县| 隆回县| 红桥区| 芦山县| 广宁县| 北京市| 湘乡市| 时尚| 东港市| 辉南县| 临泽县| 确山县| 合阳县|