Names | |
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Preferred IUPAC name 2-Benzofuran-1(3H)-one | |
Other names Phthalolactone | |
Identifiers | |
CAS Number | |
3D model (JSmol) | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.001.586 |
PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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SMILES
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Properties | |
Chemical formula | C8H6O2 |
Molar mass | 134.134 g·mol |
Melting point | 75 to 77 °C (167 to 171 °F; 348 to 350 K) |
Boiling point | 290 °C (554 °F; 563 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references |
Phthalide is an organic chemical compound with the molecular formula C8H6O2. It is a white solid and the simplest benzo lactone. It is prepared from hydroxymethylbenzoic acid.
Phthalides
The phthalide core is found a variety of more complex chemical compounds including dyes (such as phenolphthalein), fungicides (such as tetrachlorophthalide, often referred to simply as "phthalide"), and natural oils (such as butylphthalide).
Examples
- Phenolphthalein
- Tetrachlorophthalide
- Butylphthalide
References
- Kumar, R. Arun; Maheswari, C. Uma; Ghantasala, Satheesh; Jyothi, C.; Reddy, K. Rajender (2011). "Synthesis of 3H-Quinazolin-4-ones and 4H-3,1-Benzoxazin-4-ones via Benzylic Oxidation and Oxidative Dehydrogenation using Potassium Iodide-tert-Butyl Hydroperoxide". Advanced Synthesis & Catalysis. 353 (2+3): 401–410. doi:10.1002/adsc.201000580.
- Kus, Nermin Simsek (2008). "Some oxidation reactions with molecular oxygen in subcritical water". Asian Journal of Chemistry. 20 (2): 1226–1230.
- J. H. Gardner, C. A. Naylor, Jr (1936). "Phthalide". Organic Syntheses. 16: 71. doi:10.15227/orgsyn.016.0071.
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