Process for producing benzofurazan-1-oxides

Details Process for producing benzofurazan-1-oxides Process for producing benzofurazan-1-oxides

1978-08-21

1980-01-22

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D27112

Patent

active

041850181

ABSTRACT:
A process for the production of benzofurazan-1-oxides by reacting a 2-nitroaniline with alkali metal hypochlorite is disclosed which process comprises the performance of the reaction of the 2-nitroaniline with the alkalimetal hypochlorite in a two-phase reaction medium consisting of water and an organic solvent immiscible with water, in the presence of a phase-transfer catalyst.

REFERENCES:
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patent: 3660398 (1972-05-01), Ley et al.
patent: 3900473 (1975-08-01), Diel et al.
patent: 3996259 (1976-12-01), Lee et al.
Lee et al., Tet. Letters (20), 1641-1644, 1976.
Mallory, Organic Syn IV, 74-78 (1963).
Krishnan et al., J. Amer. Chem. Soc., 99, 8121-8123 (1977).
Pehmlow Ang. Chem. Int. Ed. 13, 170-179 (1974).

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