| abstract |
The present invention discloses a thiomorpholine compound represented by the formula [I]: wherein Ring A represents an optionally substituted benzene ring; Ring B represents an optionally substituted benzene ring; R1 represents hydrogen atom, an optionally substituted hydroxyl group, an optionally substituted amino group, an optionally substituted alkyl group, a substituted carbonyl group or a halogen atom; R2 represents hydrogen atom or an optionally substituted alkyl group; and R3a and R3b may be the same or different from each other, and each represent hydrogen atom or an optionally substituted alkyl group, or combined to each other at the both ends thereof to form an alkylene group, and n is an integer of 1 or 2, or a pharmaceutically acceptable salt thereof. |