Compound Q&A
How is 2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate (CAS: 2044-85-1) typically synthesized?
Answer
![2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate](https://static.chemtradehub.com/structs/204/2044-85-1-b6cc.webp "2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate")
2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate (CAS: 2044-85-1) is typically synthesized via a multistep process involving the condensation of 2,7-dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene] with acetic anhydride in the presence of a suitable base like triethylamine. The reaction is conducted at room temperature, and the product is purified by recrystallization from hot ethanol. The overall yield is around 70% to 80% with good selectivity.
About
CAS No
2044-85-1
English Name
2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate
Molecular Formula
C24H14Cl2O7
Molecular Weight
485.28 g/mol
SMILES
CC(=O)OC1=C(C=C2C(=C1)OC3=CC(=C(C=C3C24C5=CC=CC=C5C(=O)O4)Cl)OC(=O)C)Cl
InChIKey
VQVUBYASAICPFU-UHFFFAOYSA-N
Last Updated: 2025-10-19 13:36
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