Hexahydro-1,4-diazepine → HCID 20063280, compound

Participants

Reaction Steps

The 7,9-difluoro-3-ethoxycarbonyl-1-ethyl-4-oxo-8-(perhydro-1,4-diazepin-1-yl)-1,4-dihydrobenzo[b][1,8]naphthyridine was prepared under the conditions of Example 5, but starting from 3 g of 3-ethoxycarbonyl-1-ethyl-7,8,9-trifluoro-4-oxo-1,4-dihydro-benzo[b][1,8]naphthyridine and 2 g of hexahydro-1,4-diazepine. 1.7 g of 3-ethoxycarbonyl-1-ethyl-7,9-difluoro-4-oxo-8-(perhydro-1,4-diazepin-1-yl)-1,4-dihydro-benzo[b][1,8]naphthyridine are obtained in the form of a yellow solid melting at 190° C.

Provenance & Evidence