Pyrazino (1,2,3-ab)-.beta.-carboline derivatives and salts there

Details Pyrazino (1,2,3-ab)-.beta.-carboline derivatives and salts there Pyrazino (1,2,3-ab)-.beta.-carboline derivatives and salts there

1976-12-02

1978-05-09

Tovar, Jose

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

2602433, 260296P, 2603265B, 2603269, 424250, C07D47114

Patent

active

040886476

ABSTRACT:
New tetracyclic compounds, containing indole nucleus in their structure, having the general formula ##STR1## where R is hydrogen, alkyl, or alkoxyl, R' is an alkyl, and m and n are 2 or 3.
The said compounds react with organic and mineral acids to form salts readily soluble in water.
The method for preparing the said compounds consists in cyclization of lactams, having the general formula ##STR2## where R, R', m and n are as specified above, or of their hydrochlorides by phosphorus oxychloride.

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