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Machine translation
1. (WO1980000345) ESTERS OF 2,6-DIMETHYL-1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLIC ACID AND METHOD OF OBTAINING THEREOF
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/000345    International Application No.:    PCT/SU1979/000064
Publication Date: 06.03.1980 International Filing Date: 07.08.1979
IPC:
C07D 211/90 (2006.01)
Applicants:
Inventors:
Priority Data:
2655083 08.08.1978 SU
Title (EN) ESTERS OF 2,6-DIMETHYL-1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLIC ACID AND METHOD OF OBTAINING THEREOF
(FR) ESTERS DE L"ACIDE PYRIDINE 2,6-DIMETHYLE-1,4-DIHYDRO-3,5-DICARBOXYLIQUE ET LEUR METHODE DE PRODUCTION
Abstract: front page image
(EN)Esters of 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylic acid of a general formula: (FORMULA) where "R" is a substituted alkyl or terpenyl. The method of obtaining the said esters consisting in subjecting the esters of the acid of a general formula: CH3COCH2COOR, where "R" is a substituted alkyl or terpenyl, to reaction with the hexamethylenetetramine in the presence of the ammonium acetate in the medium of the ethylic alcohol at its boiling temperature, whereas the esters of the acetoacetic acid of the abovementioned general formula, the hexamethylenetetramine and the ammonium acetate may be taken in stoichiometric proportion.
(FR)Esters de l"acide pyridine 2,6-dimethyle-1,4-dihydro-3,5-dicarboxylique de formule generale: (FORMULE) ou R est un groupe alkyle ou terpenyle substitue. La methode de production de ces esters consiste a faire reagir les esters de l"acide acetoacetique de formule generale: CH3COCH2COOR, ou R est un groupe alkyle ou terpenyle substitue avec l"hexamethylene tetramine en presence d"acetate d"ammonium dans un milieu d"alcool ethylique a sa temperature d"ebullition, ou les esters de l"acide acetoacetique de formule generale citee ci-dessus, l"hexamethylenetetramine et l"acetate d"ammonium peuvent etre pris en proportions stoechiometrique.
Designated States:
Publication Language: Russian (RU)
Filing Language: Russian (RU)