Heteropoly acid H_3PW_(12)O_(40)(PW) has been used as an effective catalyst for the synthesis of thieno[2,3-d]pyrimidin-......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

A series of novel alkylthio/sulfinyl-8H-thieno[2,3-b]pyrrolizin-8-oximino derivatives Ⅴ1-Ⅷ15 were designed and synthes......

2, 7-Diaminothieno[2, 3-d:5, 4-d]dipyrimidine-4, 5(3H, 6H)diones 4 were synthesized by a facile synthetic method, which ......

用邻氨基噻吩腈与不同结构的二羰基化合物反应,合成了新的多取代噻吩并吡啶类衍生物4-氨基-5-取代羰基噻吩并[2,3-b]吡啶-6-酮。用......

噻吩并[2，3-b]吡啶化合物是一类重要的具有广泛生物活性的稠杂环，它们在杀菌、消炎、抗肿瘤和癌症等方面有很好的疗效，可以用作镇静剂......

噻吡喃酮1、氰乙酸乙酯、硫磺在吗啡啉作为碱的作用下,制得邻氨基噻酚甲酸乙酯2,2再与三苯基膦、六氯乙烷及三乙胺反应,以95%的产......

以5-芳基-1,3,4-噻二唑-2-硫醇与2-三氟甲基-4-氯噻吩并[2,3-d]嘧啶发生亲核取代反应,合成出四种结构新颖的含噻二唑环噻吩并[2,3-......