Novel 1,3-dipropyl-8-(1-heteroarylmethyl-1H-pyrazol-4-yl)-xanthine derivatives as high affinity and selective A2B adenosine receptor antagonists
作者:Elfatih Elzein、Rao Kalla、Xiaofen Li、Thao Perry、Eric Parkhill、Venkata Palle、Vaibahv Varkhedkar、Art Gimbel、Dewan Zeng、David Lustig、Kwan Leung、Jeff Zablocki
DOI:10.1016/j.bmcl.2005.10.002
日期:2006.1
3-dipropyl-8-(1-heteroarylmethyl-1H-pyrazol-4-yl)-xanthine derivatives as A(2B)-AdoR antagonists have been synthesized and evaluated for their binding affinities for the A(2B), A(1), A(2A), and A(3)-AdoRs. 8-(1-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)-1H-pyrazol-4-yl)-1,3-dipropyl-1H-pur ine-2,6(3H,7H)-dione (4) displayed high affinity (K(i)=1 nM) and selectivity for the A(2B)-AdoR versus A(1), A(2A)
合成了一系列新的1,3-二丙基-8-(1-杂芳基甲基-1H-吡唑-4-基)-黄嘌呤衍生物作为A(2B)-AdoR拮抗剂,并评估了它们与A(2B)的结合亲和力),A(1),A(2A)和A(3)-AdoR。8-(1-(((3-苯基-1,2,4-恶二唑-5-基)甲基)-1H-吡唑-4-基)-1,3-二丙基-1H-嘌呤-2,6( 3H,7H)-二酮(4)对A(2B)-AdoR与A(1),A(2A)和A(3)-AdoRs的亲和力(K(i)= 1 nM)和选择性高( A(1)/ A(2B),A(2A)/ A(2B)和A(3)/ A(2B)选择性比分别为370、1100和480)。本文介绍了这类新型化合物的合成和SAR。