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ChemicalBook CAS DataBase List (R)-2-Hydroxy-2-phenylacetohydrazide
84049-61-6

(R)-2-Hydroxy-2-phenylacetohydrazide synthesis

3synthesis methods
-

Yield:84049-61-6 71%

Reaction Conditions:

with hydrazine hydrate in methanol;Reflux;

Steps:

Preparation of Intermediate 4-Substituted-α-Hydroxyphenylacetylhydrazine

General procedure: Add the corresponding ester (0.1 mol) and 100 mL of anhydrous methanol into a 250 mL round bottom flask, add hydrazine hydrate (0.15 mol), and heat to reflux for 2-3 hours.TLC monitors the completion of the reaction. After cooling, a white solid is precipitated, filtered with suction, and the filter cake is dried. The yield is between 71 and 76%.

References:

CN113493424,2021,A Location in patent:Paragraph 0028-0031

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