ES403911A1 - Procedure for the obtaining derivatives of imidazolidinone. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining derivatives of imidazolidinone. (Machine-translation by Google Translate, not legally binding)
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Novartis AG
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Ciba Geigy AG
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Publication of ES403911A1publicationCriticalpatent/ES403911A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
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Plural Heterocyclic Compounds
(AREA)
Abstract
Procedure for obtaining imidazolidinone derivatives of general formula I **(See formula)** wherein R is a lower alkyl group with 1 to 4 carbon atoms, R1 is hydrogen or the methyl group, R2 is hydrogen, halogen up to atomic number 35, trifluoromethyl, a lower alkyl or alkoxy group with 1 to 4 atoms of carbon or a di-lower alkyl-sulfamoyl group, the lower alkyl groups of which contain 1 to 4 carbon atoms in each case, and n represents 2 or 3, as well as their addition salts of inorganic or organic acids, characterized in that a compound of general formula II wherein R1 and R2 have the meaning indicated in formula I, or an alkali metal derivative of a compound thereof, is reacted with a reactive ester of a compound of general formula III **(See formula)** wherein R and n have the meanings indicated under formula I, and optionally the reaction product is converted with an inorganic or organic acid into an addition salt. (Machine-translation by Google Translate, not legally binding)
ES403911A1971-06-171972-06-15Procedure for the obtaining derivatives of imidazolidinone. (Machine-translation by Google Translate, not legally binding)
ExpiredES403911A1
(en)