Process for the preparation of dry alkali metal salts of 1,8-nap

Details Process for the preparation of dry alkali metal salts of 1,8-nap Process for the preparation of dry alkali metal salts of 1,8-nap

1985-05-28

1986-09-30

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D22104

Patent

active

046148035

ABSTRACT:
Process for the preparation of dry alkali metal salts of 1,8-naphthalimide, which comprises allowing concentrated alkali metal hydroxide solutions to run into solid 1,8-naphthalimide in a molar ratio, at a rate corresponding to the degree of reaction, with vigorous stirring in vacuo at an elevated internal temperature, and then carrying out drying without intermediate isolation of the alkali metal salt formed.

REFERENCES:
patent: 3997572 (1976-12-01), Cusic et al.
patent: 4051246 (1977-09-01), Wade et al.
Karishin et al., Zh.Obschchey Khimii, vol. 29, 1959, pp. 3048-3050.
Fieser et al., Lehrbuch der Ogranischen Chemie, Verlag Chemie, Weinheim/Bergstr., 1954, p. 251.
Beyer, Lehrbuch der Organischen Chemie, S. Hirzel Verlag, Leipzig, 1968, p. 208.
Meisenheimer, Berichte Deutsch. Chem. Ges. 37, p. 4315 (1904).

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