天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
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 N-HYDROXY-2-(3,4,5-TRIMETHOXY-PHENYL)-ACETAMIDINE
885966-33-6

N-HYDROXY-2-(3,4,5-TRIMETHOXY-PHENYL)-ACETAMIDINE synthesis

1synthesis methods
-

Yield:885966-33-6 75%

Reaction Conditions:

with hydroxylamine hydrochloride;sodium hydroxide in ethanol;water; for 5 h;Reflux;

Steps:

2 General procedure for synthesis of amidoximes 3p,q,s

General procedure: The solution of NaOH (2.71g, 67.93mmol) in water (20mL) was added at room temperature to the solution of polymethoxyphenylacetonitrile [40] (5.0g, 33.96mmol) and hydroxylamine hydrochloride (4.72g, 67.93mmol) in EtOH (100mL). The reaction mixture was refluxed for 5h, the solvent was evaporated in vacuo, and the residue was washed by water (3×30mL) and dried. Yield 75-80%.

References:

Tsyganov, Dmitry V.;Khrustalev, Victor N.;Konyushkin, Leonid D.;Raihstat, Mikhail M.;Firgang, Sergei I.;Semenov, Roman V.;Kiselyov, Alex S.;Semenova, Marina N.;Semenov, Victor V. [European Journal of Medicinal Chemistry,2014,vol. 73,p. 112 - 125]

N-HYDROXY-2-(3,4,5-TRIMETHOXY-PHENYL)-ACETAMIDINE Related Search: