METHOD OF PREPARING SUBSTITUTED 2-(PHENYLAMINO)-2- IMIDAZOLINES Russian patent published in 1999 - IPC

Abstract RU 2131872 C1

FIELD: chemical industry. SUBSTANCE: substituted 2-(phenylamino)-2-imidazolines of formula I: wherein R1= R2= Cl and R3= H, CH3, F, are prepared by condensation of anilines with 1-benzoylimidazolidin-2-one in phosphorus oxychloride in the presence of lithium halides or quaternary ammonium bases. Presence of lithium salts reduces reaction time up to 20-24 hours. EFFECT: high quality of the desired compounds. 6 ex

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RU 2 131 872 C1

Authors

Shavva A.G.

Belov V.N.

Sokolov A.E.

Vitvitskaja A.S.

Katsnel'Son E.Z.

Shchedrovich K.I.

Bogdanov E.G.

Karavan V.S.

Nikol'Skaja S.K.

Dates

1999-06-20Published

1997-09-02Filed