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 (2E,4E)-2,4-Octadienal
30361-28-5

(2E,4E)-2,4-Octadienal synthesis

2synthesis methods
-

Yield:30361-28-5 81%

Reaction Conditions:

with oxygen;palladium diacetate;trifluoroacetic acid in dimethyl sulfoxide at 80;Sealed tube;

Steps:

4 Example 4
In a 100 mL round bottom flask, add the raw material Id, palladium acetate (10 mol%) to seal the round bottom flask and evacuate it, and fill the round bottom flask with oxygen. Next, add the treated DMSO and trifluoroacetic acid in sequence. After all the materials are added, stir thoroughly in an oxygen atmosphere. The reaction mixture was stirred at 80 ° C until TLC (thin-layer chromatography) monitoring. The reaction was no longer in progress. After the reaction was completed, the mixture was cooled to room temperature, and the mixture was dispersed with 100 mL of ethyl acetate. The organic phase was extracted three times with 5 mL of water, and the organic phase was extracted three times with 5 mL of saturated saline. Sodium is dried for more than 30 min. Filtration, concentration and column chromatography gave the target compound IId.The (2E, 4E) -octa-2,4-dienal (IId) product was a white liquid with a yield of 81%.

References:

Northwest University;Wang Yongqiang;Pan Gaofei CN110483265, 2019, A Location in patent:Paragraph 0019; 0020

FullText

(2E,4E)-2,4-Octadienal Related Search:

靖边县| 芜湖县| 探索| 珠海市| 宝丰县| 庆安县| 镶黄旗| 浦北县| 龙井市| 廉江市| 宽甸| 南昌市| 泾川县| 抚松县| 都兰县| 武夷山市| 光泽县| 揭东县| 大渡口区| 同江市| 南江县| 叙永县| 山丹县| 巴南区| 应城市| 原阳县| 苍山县| 嫩江县| 本溪| 吉木萨尔县| 杭锦旗| 平定县| 类乌齐县| 静海县| 平南县| 洪湖市| 银川市| 龙口市| 双江| 濮阳县| 永德县|