| 摘要 |
The invention relates to new derivatives of 3-oxo-2,3-dihydro-1,4-benzoxazine corresponding to the general formula IN WHICH R1 is selected from the group consisting of the hydrogen atom and a lower alkyl group; R2, R3 and R4 which are identical or different, are selected from the group consisting of the hydrogen atom, a halogen atom, a nitro group, a lower alkyl group, a lower alkoxy group and R4 may be an allyl group; R5 is selected from the group consisting of the hydrogen atom and an acyl group, preferably acetyl. These derivatives can be used for therapeutic purposes, more especially as analgesics and anti-oedematous agents.
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