A Convenient Synthesis of Fluorinated
Pyrazolo[3,4-<i>b</i>]pyridine
and Pyrazolo[3,4-<i>d</i>]pyrimidine
Nucleosides
作者:Viktor Iaroshenko、Dmitri Sevenard、Anton Kotljarov、Dmitriy Volochnyuk、Andrei Tolmachev、Vyacheslav Sosnovskikh
DOI:10.1055/s-0028-1083365
日期:——
6-tris(trifluoromethyl)-1,3,5-triazine, a set of fluorinated pyrazolo[3,4-b]pyridine and pyrazolo[3,4-d]pyrimidine nucleosides was obtained. Synthetic access to stable 4-(polyfluoroalkyl)-4,7-dihydro-1H-pyrazolo[3,4-b]pyridin-4-ole was elaborated, which can be considered to be mimetics of the putative transition state involved in adenosine deaminase activity. pyrazole - pyridine - pyrimidine - fluorine
由5-氨基-1-(2,3-开始ö异亚丙基β- d呋喃核糖基)-1 ħ吡唑,1,3- CCC-,1,3- CNC含氟- dielectrophiles和2,4-获得了6-6-三(三氟甲基)-1,3,5-三嗪,一组氟化的吡唑并[3,4- b ]吡啶和吡唑并[3,4- d ]嘧啶核苷。合成了稳定的4-(多氟烷基)-4,7-二氢-1H-吡唑并[3,4- b ]吡啶-4-酮的合成途径,这可以被认为是腺苷涉及的假定过渡态的模拟物。脱氨酶活性。 吡唑-吡啶-嘧啶-氟-环化-亲电子芳族取代