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ChemicalBook CAS DataBase List sodium 2-[3-(4-sulfonato-o-tolyliminio)-6-o-toluidino-3H-xanthen-9-yl]benzoate

sodium 2-[3-(4-sulfonato-o-tolyliminio)-6-o-toluidino-3H-xanthen-9-yl]benzoate synthesis

12synthesis methods
Benzo[b]thiophen-3(2H)-one or?3-Oxo-2,3-dihydrobenzo[b]thiophene-2-carboxylic acid and 1,2-Acenaphthylenedione?or partial reduction of the condensation product.
-

Yield:-

Reaction Conditions:

with sodium sulfide;ethanolBehandeln mit 3-Oxy-thionaphthen in alkal. Loesung; anschliessend mit Luft;

References:

DE224158,1800,C [Fortschr. Teerfarbenfabr. Verw. Industriezweige,vol. 10,p. 536][Fortschr. Teerfarbenfabr. Verw. Industriezweige,vol. 10,p. 536]

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