METHOD OF QUADRATIC ACID SYNTHESIS Russian patent published in 1994 - IPC

Abstract RU 2017719 C1

FIELD: organic chemistry. SUBSTANCE: product: quadratic acid. Reagent 1: 3-acetoxy-2-cyclobutene-1-one or 1,3-cyclobutanedione. Reagent 2: base. Reaction conditions: halogenation at (-40)-(+40) C, hydrolysis at 50-150 C. Compound is used as drugs. EFFECT: improved method of synthesis. 7 cl

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RU 2 017 719 C1

Authors

Berri Dzhehkson[Gb]

Tomas Sholl[Ch]

Dates

1994-08-15—Published

1991-02-25—Filed