ES225647A1 - A new procedure for the preparation of methyl-2-ciclopentanodiona-1,3 (Machine-translation by Google Translate, not legally binding)
- Google Patents
A new procedure for the preparation of methyl-2-ciclopentanodiona-1,3 (Machine-translation by Google Translate, not legally binding)
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Rhone Poulenc SA
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Rhone Poulenc SA
Societe des Usines Chimiques Rhone Poulenc SA
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Application filed by Rhone Poulenc SA, Societe des Usines Chimiques Rhone Poulenc SAfiledCriticalRhone Poulenc SA
Publication of ES225647A1publicationCriticalpatent/ES225647A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
New process for the preparation of methyl-2-cyclopentanedione-1,3 from methyl-3-cyclopentanotrione-1,2,4, characterized in that a compound r-nh-nhº is reacted with the latter (r = h, -conhº or -csnhº), the product of the reaction being decomposed by heating in a solution of a caustic alkali in a solvent with a boiling point of at least 170º. (Machine-translation by Google Translate, not legally binding)
ES0225647A1955-01-061955-12-19A new procedure for the preparation of methyl-2-ciclopentanodiona-1,3 (Machine-translation by Google Translate, not legally binding)
ExpiredES225647A1
(en)
Procedure for the obtaining of 1-p-chlorobencil-2- (1-pirrolidil-methyl) - benzymidazole (Machine-translation by Google Translate, not legally binding)