Polycyclic<i>N</i>-Heterocyclic Compounds. Part 84: Reaction of<i>N</i>-(pyrido[3′,2′:4,5]thieno[3,2-<i>d</i>]pyrimidin-4-yl)amidines or<i>N</i>-(pyrido[2′,3′:4,5]furo[3,2-<i>d</i>]pyrimidin-4-yl)amidines with Hydroxylamine Hydrochloride
作者:Kensuke Okuda、Ryota Ide、Naoto Uramaru、Takashi Hirota
DOI:10.1002/jhet.2033
日期:2015.5
The reactions of nine N‐(pyrido[3′,2′:4,5]thieno[3,2‐d]pyrimidin‐4‐yl)amidines (3) with hydroxylamine hydrochloride produced new cyclization products. These were formed via ring cleavage of the pyrimidine component followed by a 1,2,4‐oxadiazole‐forming ring closure to give N‐[2‐([1,2,4]oxadiazol‐5‐yl)thieno[2,3‐b]pyridin‐3‐yl]formamide oximes (11). Reaction of six N‐(pyrido[2′,3′:4,5]furo[3,2‐d]p
九种N-(吡啶并[3',2':4,5]噻吩并[3,2 - d ]嘧啶-4-基)am(3)与羟胺盐酸盐的反应产生了新的环化产物。这些是通过嘧啶组分的环裂解,然后形成1,2,4-恶二唑的闭环形成N- [2-([1,2,4]恶二唑-5-基)噻吩并[2,3]而形成的。 [ b ]吡啶-3-基]甲酰胺肟(11)。六个N-(吡啶并[2',3':4,5]呋喃并[3,2 - d ]嘧啶-4-基)idine(12)与盐酸羟胺的反应得到了相似的结果。还评估了新合成的化合物对戊糖苷形成的影响。