6-硝基-3,4-二氢-2H-1,4-苯并噁嗪 在
palladium diacetate 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
甲醇 、
乙酸乙酯 、
乙腈 为溶剂,
生成
(R)-N-(4-(6,6-dimethyl-4-oxo-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)-5-oxotetrahydrofuran-2-carboxamide