Compound Q&A
How is 3',6'-Dihydroxy-6-nitro-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one (CAS: 27402-68-2) typically synthesized?
Answer
![3',6'-Dihydroxy-6-nitro-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one](https://static.chemtradehub.com/structs/274/27402-68-2-e104.webp "3',6'-Dihydroxy-6-nitro-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one")
3',6'-Dihydroxy-6-nitro-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one (CAS: 27402-68-2) is synthesized through a multi-step process involving the condensation of benzofuran and xanthenone derivatives. The reaction typically requires a Lewis acid catalyst, such as aluminum chloride, and proceeds with good selectivity. The overall yield is moderate to good, and the product is purified using column chromatography.
About
CAS No
27402-68-2
English Name
3',6'-Dihydroxy-6-nitro-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
Molecular Formula
C20H11NO7
Molecular Weight
377.3 g/mol
SMILES
C1=CC2=C(C=C1[N+](=O)[O-])C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OC2=O
InChIKey
GYWGQAIDMYGOLU-UHFFFAOYSA-N
Last Updated: 2025-10-29 13:16
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