4]benzo-thiazin-3(4H)ones by the Jaap-Klingemann reaction with 2-hydroxymethylenecyclohexanone followed by Fischer indolisation of the resulting hydrazones. The structures of the hitherto unknown ring systems have been confirmed by pmr spectral data.
通过与
2-羟基亚甲基环己酮的Jaap-Klingemann反应,然后由6-
氨基,7-
氨基和8-
氨基2 H [1,4]苯并
噻嗪-3(4 H)酮合成了五种[1,4]
噻嗪咔唑。所形成的的费歇尔
吲哚化。迄今未知的环系统的结构已由pmr光谱数据证实。