ES269238A1 - Procedure for the obtaining of new alpha-enolacyclates of beta-acil-gama-phenyl-alpha-tetronic acids (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of new alpha-enolacyclates of beta-acil-gama-phenyl-alpha-tetronic acids (Machine-translation by Google Translate, not legally binding)
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Boehringer Ingelheim Pharma GmbH and Co KG
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Dr Karl Thomae GmbH
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Priority to ES0269238ApriorityCriticalpatent/ES269238A1/en
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for obtaining new alpha-enolacilates of beta-acyl-gamma-phenyl-alpha-tetronic acids of the formula ** (See formula) ** where R1 represents a straight or branched alkyl radical, saturated or unsaturated, with 1-9 carbon atoms, R2 a phenyl radical optionally substituted by halogen atoms, lower alkyl or lower alkoxy groups or the methylenedioxy group -O-CH2- O-, and R3 a lower alkyl radical, characterized by acylating beta-acyl-gamma-phenyl-alpha-tetronic acids of the formula ** (See formula) ** where R1 and R2 have the meaning indicated above. (Machine-translation by Google Translate, not legally binding)
ES0269238A1961-07-191961-07-19Procedure for the obtaining of new alpha-enolacyclates of beta-acil-gama-phenyl-alpha-tetronic acids (Machine-translation by Google Translate, not legally binding)
ExpiredES269238A1
(en)
Procedure for the obtaining of new alpha-enolacyclates of beta-acil-gama-phenyl-alpha-tetronic acids (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of new alpha-enolacyclates of beta-acil-gama-phenyl-alpha-tetronic acids (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of new alpha-enolacyclates of beta-acil-gama-phenyl-alpha-tetronic acids (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the object of pat.principal 394.577 by procedure for the obtaining of stabilized polyoxymethylene molding compounds. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of new alpha-enolacyclates of beta-acil-gama-phenyl-alpha-tetronic acids (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new 1,2) diaril-3,5-dioxopirazolidinas replaced in position 4 (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of non-saturated aldehydes in one or several positions or their functional derivatives. (Machine-translation by Google Translate, not legally binding)