| 摘要 |
Antiallergic triazolobenzazepines of formula (I), wherein each of the dotted lines independently an optional bond; R1 represents hydrogen, halo, c1-4alkyl, hydroxy or C1-4alkyloxy; R2 hydrogen, halo, C1-4alkyl hydroxy or C1-4alkyloxy; R3 represents hydrogen, C1-4alkyl or halo; -B D- is a bivalent radical of formula -C(R4) N-(a-1); or -N C(R5)-(a-2); R4 and R5 represent hydrogen, C1-4alkyl ethenyl substituted with hydroxycarbonyl or C1-4alkyloxycarbonyl, C1-4alkyl substituted with hydroxycarbonyl or C1substituted C1-6alkyl, C3-6alkenyl; C3-6alkenyl substituted with aryl or, L represents a radical of formula -Alk-Y-Het1 (b-1), -Alk-NH-COHet2 (b-2) or -Alk-Het3 (b-3). Compositions comprising said compounds, processes of preparing the same, and intermediates in the preparation thereof.
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