Синтез нових піримідо[4,5-e]індолізин- та піримідо[5,4-c]хінолізин-6-карбонових кислот
An effective method for the synthesis of previously undescribed 1,3,4,5,6a,7,8,9-octahydropyrimido[4,5-e]indolizine- and 1,3,4,5,7,8,9,10-octahydro-2H-pyrimido[5,4-c]quinolizine-6-carboxylic acids by hydrolysis and decarboxylation of new spiro-substituted derivatives was proposed. The corresponding...
Збережено в:
Дата: | 2022 |
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Автори: | , , , |
Формат: | Стаття |
Мова: | English |
Опубліковано: |
V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry of the National Academy of Sciences of Ukraine
2022
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Теми: | |
Онлайн доступ: | https://bioorganica.com.ua/index.php/journal/article/view/34 |
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Назва журналу: | Ukrainica Bioorganica Acta |
Репозитарії
Ukrainica Bioorganica ActaРезюме: | An effective method for the synthesis of previously undescribed 1,3,4,5,6a,7,8,9-octahydropyrimido[4,5-e]indolizine- and 1,3,4,5,7,8,9,10-octahydro-2H-pyrimido[5,4-c]quinolizine-6-carboxylic acids by hydrolysis and decarboxylation of new spiro-substituted derivatives was proposed. The corresponding spirocyclic derivatives were obtained by boiling of 6-dialkylamino-1,3-dimethyl-5-formyluracils with Meldrum's acid in acetonitrile. The reaction proceeds according to the tert-amino effect mechanism without the release of Knoevenagel condensation products. |
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