Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfonic acids or salts thereof
Patent
1991-04-26
1992-06-30
Cintins, Marianne
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfonic acids or salts thereof
562 40, 562 57, 562435, 562453, 558 29, 558 30, C07C21506, C07C22964, C07C30302
Patent
active
051264811
ABSTRACT:
The preparation is described of compounds of the structure ##STR1## in which the substituents have the meanings indicated in the description. The compounds, which are in part new, are used as intermediate products for dyestuffs.
REFERENCES:
patent: 4246414 (1981-01-01), Fujita et al.
patent: 4577015 (1986-03-01), Jager et al.
patent: 4874857 (1989-10-01), Harms
Chemical Abstracts, vol. 71, Sep. 15, 1969, No. 11.
Harms Wolfgang
Herd Karl J.
Bayer Aktiengesellschaft
Cintins Marianne
Peabody John D.
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