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133.155  Articles
1 of 13.317 pages  |  10  records  |  more records»
Triazolo[5,1-b]purines are rare structural analogues of natural nucleosides and nucleobases purine  series. At the same time, prominent representatives of azolopurines exhibit a broad spectrum of   antiviral effect, activity against of rheu... see more

The review summarizes and systematizes data of the last twenty years on the synthetic methods and biological properties of pyrido[2,3-d]pyrimidin-7-ones, promising objects of organic and pharmaceutical chemistry. Two main approaches to the formation of th... see more

An effective method for synthesis of 6-(1H-benzimidazol-2-yl)-5-methylthieno[2,3-d]pyrimidine-4(3H)-thione starting from the corresponding 4-oxo analog has been developed. For the chemical diversity enlargement the alkylation of 6-(1H-benzimidazol-2-yl)-5... see more

An effective method for synthesis of 6-(1H-benzimidazol-2-yl)-5-methylthieno[2,3-d]pyrimidine-4(3H)-thione starting from the corresponding 4-oxo analog has been developed. For the chemical diversity enlargement the alkylation of 6-(1H-benzimidazol-2-yl)-5... see more

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?????????? ?????????? ???????????????? ???????????? ????-2 ???????? ?????? (???2??) ??? ????????????? ??????? ??????????????, ??? ??????????? ? ??????? ????????????? ???????????? ????-2 ???????? ???????? ?????? (??2???). ?????????? ??2???, ??? ? ?????????... see more

?????????? ?????????? ???????????????? ???????????? ????-2 ???????? ?????? (???2??) ??? ????????????? ??????? ??????????????, ??? ??????????? ? ??????? ????????????? ???????????? ????-2 ???????? ???????? ?????? (??2???). ?????????? ??2???, ??? ? ?????????... see more

In this study the potential ligands of 5-HT1A receptors – arylpiperazines containing the residues of tetrahydropyrimidine as terminal fragments, compounds (1-6) and dihydropyrimidine – (7) have been synthesized. The structures of compounds 1-7 have b... see more

1 of 13.317 pages  |  10  records  |  more records»