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Publication of BE690596ApublicationCriticalpatent/BE690596A/xx
C07C50/26—Quinones containing groups having oxygen atoms singly bound to carbon atoms
C07C50/34—Quinones containing groups having oxygen atoms singly bound to carbon atoms the quinoid structure being part of a condensed ring system having three rings
C—CHEMISTRY; METALLURGY
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
C09B1/02—Hydroxy-anthraquinones; Ethers or esters thereof
C09B1/06—Preparation from starting materials already containing the anthracene nucleus
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Organic Chemistry
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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