Abstract
Synthesis of dibenzoxanthenes through condensation of β-naphthol with various aromatic and aliphatic aldehydes in ethanol as an ecofriendly solvent using RuIII as catalyst is reported.
ACKNOWLEDGEMENT
Support of this study by Research Council of Guilan University is gratefully acknowledged.
Notes
Note. All products were characterized by 1H NMR, 13C NMR, and IR data.
b
Identified by comparison with authentic samples.[
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c
Identified by comparison with authentic samples.[
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Identified by comparison with authentic samples.[
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e
Identified by comparison with authentic samples.[
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f
Identified by comparison with authentic samples.[
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g
Identified by comparison with authentic samples.[
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h
Identified by comparison with authentic samples.[
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i
Identified by comparison with authentic samples.[
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