One-Step Synthesis of Furo[2,3-<i>d</i>]Pyrimidine-2,4(1<i>H</i>,3<i>H</i>)-Diones Using the Can-Mediated Furan Ring Formation
作者:Kazuhiro Kobayashi、Hideo Tanaka、Koujirou Tanaka、Keiichi Yoneda、Osamu Morikawa、Hisatoshi Konishi
DOI:10.1080/00397910008087050
日期:2000.12
-2,4,6(1H,3H,5H)-trione with various alkenes or terminal alkynes in the presence of cerium(IV) ammonium nitrate (CAN) afforded the corresponding 5,6-dihydrofuro[2,3-d]pyrimidine-2,4(1H,3H)-diones or furo[2,3-d]pyrimidine-2,4(1H,3H)-diones in moderate to good yields.
摘要 在硝酸铈 (IV) 铵 (CAN) 存在下,1,3-二甲基嘧啶-2,4,6(1H,3H,5H)-三酮与各种烯烃或末端炔烃反应得到相应的 5,6-二氢呋喃[2,3-d]嘧啶-2,4(1H,3H)-二酮或呋喃[2,3-d]嘧啶-2,4(1H,3H)-二酮,产率中等至良好。