An efficient synthesis of 3-hydroxychrom
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Mauricio Gomes Constantino; Valdemar Lacerda Júnior; Gil Valdo José Da Silva
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Article
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2003
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Journal of Heterocyclic Chemistry
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English
⚖ 35 KB
## Abstract A new and efficient 2‐step synthesis of 3‐hydroxychromone is described. Commercially available chromone is converted to the corresponding epoxide which is rearranged with niobium pentachloride to 3‐hydroxychromone in 61% overall yield.