- Process for the preparation of diazepino[1,2-a]indoles
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The invention relates to a process for preparing fused ring indole derivatives of formula (I) SPC1 wherein R1, R2, R3, R4 are each hydrogen, hydroxyl, lower alkyl, lower alkoxy, haloloweralkyl or halogen, R5 and R6 are each hydrogen or lower alkyl and m and n are 0, 1, 2 or 3 and the sum of m + n is 2 or 3, by condensing an indole derivative of formula SPC2 With a dihaloalkane of formula EQU1 The products have pharmacological activity, particularly antidepressant and hypoglycaemic activity.
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