Process for the preparation of 3-hydroxymethyl-6-chlorobenzoxazo

Details Process for the preparation of 3-hydroxymethyl-6-chlorobenzoxazo Process for the preparation of 3-hydroxymethyl-6-chlorobenzoxazo

1983-11-30

1985-05-21

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D49804

Patent

active

045187819

ABSTRACT:
Process for the preparation of optionally hydroxymethylated 6-chlorobenzoxazolone, which consists in chlorinating and, if appropriate, hydroxymethylating benzoxazolone in a mixture of water and dioxane.

REFERENCES:
patent: 3081170 (1963-03-01), Rauch et al.
patent: 3161520 (1964-12-01), Rauch et al.
patent: 3682933 (1972-08-01), Engel
patent: 3996279 (1976-12-01), Schlager
Zinner, H. et al., (I), Chem. Ber., 89 (9), pp. 2131-2136, (1956).
Zinner, H. et al., (II), Chem. Ber., 90, pp. 2246-2253, (1957).
Sexton, W. A. et al., J.C.S., p. 1717, (1948).

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