Synthesis of Novel Tricyclic 4-Chloro-7,8,10,11-tetrahydro-5H-benzo[e]pyrimido[4,5-b][1,4]diazepin-9(6H)-ones

[摘要]：A series of tricyclic 7,8,10,11-tetrahydro-5H-benzo[e]pyrimido[4,5-b][1,4]diazepin-9(6H)-ones were prepared in moderate to high yields using TFA-promoted iminium-cyclization reactions of 3-(6-(butylamino)-4-chloropyrimidin-5-ylamino)cyclohex-2-enones and various aldehydes.

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