在本文中,我们报道了Rh(I)/双膦/ K 3 PO 4催化体系,首次使苯并咪唑与Michael受体进行了选择性支链C–H烷基化。用N,N-二甲基丙烯酰胺进行的支化烷基化已成功地用于各种苯并咪唑的烷基化反应,这些苯并咪唑掺入了各种N-取代基,并且在芳烃的不同部位均显示出富电子和贫电子的功能。此外,通过用甲基丙烯酸乙酯进行烷基化来引入季碳。该方法还显示出可用于氮杂苯并咪唑的C 2-选择性支链烷基化。
Thienopyrazoles of formula I, their preparation, pharmaceutical compositions comprising these compounds, and their pharmaceutical uses in the treatment of disease states capable of being modulated by the inhibition of the protein kinases, in particular interleukin-2 inducible tyrosine kinase (ITK).
Thienopyrazoles, their preparation, pharmaceutical compositions comprising these compounds, and their pharmaceutical uses in the treatment of disease states capable of being modulated by the inhibition of the protein kinases, in particular interleukin-2 inducible tyrosine kinase (ITK).
Thienopyrazoles, their preparation, pharmaceutical compositions comprising these compounds, and their pharmaceutical uses in the treatment of disease states capable of being modulated by the inhibition of the protein kinases, in particular interleukin-2 inducible tyrosine kinase (ITK).