Intermediates

Details Intermediates Intermediates

1997-12-19

1999-05-11

O'Sullivan, Peter

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

Organic compounds

Oxygen containing

562 74, 564291, 564292, 568643, 568812, 585435, C07C33/38;29/60

Patent

active

059029099

ABSTRACT:
The present invention provides compounds having the formula: ##STR1## in which R is hydrogen or C.sub.1 -C.sub.4 alkyl, preferably hydrogen and Y is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, CF.sub.3, halogen (F, Cl, Br or I) or SO.sub.3 M in which M is H, Na, K, Ca, Mg, ammonium, mono-, di-, tri- or tetra-C.sub.1 -C.sub.4 alkylammonium, mono-, di- or tri-hydroxyalkylammonium or ammonium that is di- or tri-substituted with a mixture of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 hydroxyalkyl groups; a process for their production; and their use as intermediates in the production of asymmetric or symmetric fluorescent whitening agents.

REFERENCES:
patent: 2465486 (1949-03-01), Rosenthal
Derwent Abst. 96-094135.

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