ES387835A1 - Procedure for the preparation of p-fluoro - m -trifluoromethyl - phenylenees. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of p-fluoro - m -trifluoromethyl - phenylenees. (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 ES387835A1publicationCriticalpatent/ES387835A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for the preparation of p-fluoro m-trifluoromethylphenylureas characterized by reacting an aromatic radical of the formula **(See formula)** with a primary or secondary amine of the formula capable of forming together the urea cluster; in these formulas, R1 signifies hydrogen or alkyl, R2 signifies unsubstituted or substituted alkyl, alkenyl, alkynyl alkoxy or phenyl; O well R1 and R2 with the nitrogen atom attached to them form a triagonal or heptagonal heterocyclic ring; while A denotes the grouping **(See formula)** where R'means alkyl or aryl and X stands for oxygen or sulfur. (Machine-translation by Google Translate, not legally binding)
ES387835A1970-02-021971-02-01Procedure for the preparation of p-fluoro - m -trifluoromethyl - phenylenees. (Machine-translation by Google Translate, not legally binding)
ExpiredES387835A1
(en)
A procedure for the preparation of acil-anylides with basic substitutors and their derivatives (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of N-substitute and n, N-disstituted aminocarbonylalkilic compounds. (Machine-translation by Google Translate, not legally binding)