Patent ID: 8063037

Claim:
A (cis)-dibenzo[bf]pyrido[1,2-d]oxazepine-2-amine or a (cis)-dibenzo[b,f]pyrido[1,2-d]thiazepine-2-amine according to Formula I wherein R1 is selected from the group consisting of (1-5C)acyl, (1-5C)thioacyl, (1-4C)alkylsulfonyl, and (1-4C)alkoxycarbonyl, each optionally substituted with one or more halogen atoms; and R2 and R3 are each independently selected from the group consisting of H, halogen, cyano, nitro, and thiocarbamyl; and R4 and R5 are each independently selected from the group consisting of H, (1-4C)alkyl, and (1-4C)alkoxy; and X is selected from the group consisting of —O—, —S—, —SO—, and —SO 2 —; provided that, when R2 is C1, R5 is not H or a racemate thereof.