Preparation of tetrachloro-3-iminoisoindolin-1-one

Details Preparation of tetrachloro-3-iminoisoindolin-1-one Preparation of tetrachloro-3-iminoisoindolin-1-one

1986-09-15

1988-06-14

Ceperley, Mary E.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20950

Patent

active

047513144

ABSTRACT:
Tetrachloro-3-iminosisoindolin-1-one (I) or its alkali metal salt (Ia) is prepared by reacting tetrachloro-ortho-phthalodinitrile with lithium hydroxide, sodium hydroxide and/or potassium hydroxide in substantially anhydrous tert-butanol and, if desired, liberating (I) from (Ia) by means of a dilute acid.

REFERENCES:
patent: 3887581 (1975-06-01), Kinoshita et al.
patent: 4239686 (1980-12-01), Misumi et al.
Deuvent Abstract of German Patent DE No. 2,850,782, published Nov. 1978.
J. Org. Chem. 41 (1976), 3769, J. Hall et al.

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