Process for the preparation of...

Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...

Reexamination Certificate

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C540S556000

Reexamination Certificate

active

06916922

ABSTRACT:
This invention provides a process for the preparation of 1, 2, 3, 4, 8, 9, 10, 10a-octahydro-7bH-cyclopenta[b][1,4]diazepino[6,7,1-hi]indole derivatives of the general formula:wherein: R is H, alkyl, cycloalkyl, —CH2-cycloalkyl, acyl, aryl or aroyl; R1, R2, R4and R5are H, hydroxy, alkyl, cycloalkyl, alkoxy, halogen, fluorinated alkyl, —CN, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino, dialkylmino, fluorinated alkoxy, acyl, aryl or aroyl; R3is H, alkyl, cycloalkyl, alkoxy, fluorinated alkyl, alkyl sulfonamide, alkyl amide, amino, alkylamino, dialkylmino, fluorinated alkoxy, acyl, aryl or aroyl; or a pharmaceutically acceptable salt thereof, as well as intermediates for their synthesis.

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