ES8106709A1 - Procedure of synthesis of 3-methyl-2- (carboxamides) -n1n4dioxido of quinoxalina (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure of synthesis of 3-methyl-2- (carboxamides) -n1n4dioxido of quinoxalina (Machine-translation by Google Translate, not legally binding)
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Barisintex SA
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Barisintex SA
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Priority to ES495817ApriorityCriticalpatent/ES8106709A1/en
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Publication of ES8106709A1publicationCriticalpatent/ES8106709A1/en
SYNTHESIS PROCEDURE FOR 3-METHYL-2- (CARBOXAMIDES) -N1N4-QUINOXALINE DIOXIDE, OF FORMULA (I), WHERE R1 IS HYDROGEN; R2 IS HYDROGEN, METHYL, OR ONE OF THE FORMULA GROUPS (III AND IV); OR R1 AND R2 ARE THE SAME. A BETA-AMINOCROTONAMIDE, OF FORMULA (II), OBTAINED BY REACTION OF AN ALKYL AMINOCROTOMATE WITH A SUITABLE AMINE, IS REACTIONED WITH BENZOFURANE. THE MIX IS KEPT AT ROOM TEMPERATURE FOR TWELVE HOURS. COOLS, FILTERS AND WASHES WITH SOLVENT. THE PRODUCT IS FLAT BY CRYSTALLIZATION AND DRYING. THE FINAL PRODUCT CONTAINS 98.5 PERCENT OF THE FORMULA COMPOUND (V). OF APPLICATION AS A CHEMOTHERAPEUTICAL AGENT IN MEDICINE AND VETERINARY. *FORMULA* (Machine-translation by Google Translate, not legally binding)
ES495817A1980-10-101980-10-10Procedure of synthesis of 3-methyl-2- (carboxamides) -n1n4dioxido of quinoxalina (Machine-translation by Google Translate, not legally binding)
ExpiredES8106709A1
(en)
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