Diisatoic acid or triisatoic acid derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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548305, 548312, 544314, 260455R, 560 50, 528 62, 528 64, 528 73, C07D40106, C07D23364

Patent

active

042835488

ABSTRACT:
Object of the invention are new diisatoic acid and triisatoic acid derivatives of the general formula I ##STR1## wherein n represents 2 or 3, X stands for oxygen or sulfur and R for a group of the general formula II

REFERENCES:
patent: 3755350 (1973-08-01), Sauli
patent: 3772326 (1973-11-01), Batzer et al.
patent: 3821098 (1974-06-01), Garratt et al.
patent: 3864357 (1975-02-01), Porret et al.
patent: 4122276 (1978-10-01), Habermeier
patent: 4153801 (1979-05-01), Schmidt et al.
patent: 4161594 (1979-07-01), Batzer et al.

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