Process for the preparation of 3-[2'H-benzotriazol-(2')-yl]-4-hy

Details Process for the preparation of 3-[2'H-benzotriazol-(2')-yl]-4-hy Process for the preparation of 3-[2'H-benzotriazol-(2')-yl]-4-hy

1988-10-19

1990-06-26

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D27920

Patent

active

049373498

ABSTRACT:
There is disclosed a process for the preparation of 3-[2'H-benzotriazol-(2')-yl]-4-hydroxybenzenesulfonic acids and salts thereof of formula ##STR1## wherein R is hydrogen or chlorine,

REFERENCES:
patent: 4770667 (1988-09-01), Evans et al.
patent: 4775386 (1988-10-01), Reinert et al.
Australian Journal of Chemistry vol. 38, 1985 pp. 1163-1176.
Journal of the Chemical Society Perkin Transactions II (1985) pp. 677-682.
J. Chem. Soc. Perkin Trans II 1975, 1438-1445.

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