Synthesis of 11,12-disubstituted 9,10-anthraquinodimethanes: the first dehydroxylation reaction by active magnesium

The reaction of 9,10-diformylanthracene with Grignard reagents gave 11,12-disubstituted 9,10-anthraquinonemethane ( 1 ) in quantitative to excellent yields. The formation of these quinodimethanes caused by the active magnesium generated from the Grignard reagents was revealed. The reaction of 9,10-d...

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Bibliographic Details
Published in:Tetrahedron letters 2002-04, Vol.43 (14), p.2623-2625
Main Authors: Shah, Shaheen M.I, Kuroda, Shigeyasu, Oda, Mitsunori, Tanaka, Tokiko, Miyatake, Ryuta, Izawa, Mayumi
Format: Article
Language:English
Subjects:
active magnesium
dehydroxylation
Grignard reagent
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Summary:The reaction of 9,10-diformylanthracene with Grignard reagents gave 11,12-disubstituted 9,10-anthraquinonemethane ( 1 ) in quantitative to excellent yields. The formation of these quinodimethanes caused by the active magnesium generated from the Grignard reagents was revealed. The reaction of 9,10-diformylanthracene with Grignard reagents gave the title compounds, which was caused by the active magnesium generated from the Grignard reagents.
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(02)00304-0