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ChemicalBook CAS DataBase List 2,3-DIHYDRO-1,4-BENZODIOXIN-6-YLMETHYLAMINE

2,3-DIHYDRO-1,4-BENZODIOXIN-6-YLMETHYLAMINE synthesis

3synthesis methods
-

Yield:-

Reaction Conditions:

with hydrogen;palladium(II) hydroxide in ethanol at 30 - 60; for 6 h;

Steps:

234 Example 234: Preparation of 1,4-benzodioxan-7-methylamine (Intermediate XXVI).
177 mg of the intermediate XXV was dissolved in ethanol, a catalytic amount of palladium hydroxide was added, the air was replaced and hydrogen was introduced, and the reaction was carried out at 30-60° C. for 6 hours. After the reaction was completed, ethanol was distilled off under reduced pressure, and water was added to the residue. Ester extraction, without purification, gives the intermediate 1,4-benzodioxane-7-methylamine directly for the next reaction

References:

East China University of Science and Technology;Chinese Academy Of Sciences Shanghai Pharmaceutical Institute;Li Jian;Lan Lefu;Ni Shuaishuai;Chen Feifei;Wei Hanwen;Li Baoli;Liu Yifu;Mao Fei;Zhu Jin CN108117534, 2018, A Location in patent:Paragraph 1180; 1181; 1182

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