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Thermo Scientific Chemicals
Homophthalic anhydride, 97+%
CAS: 703-59-3 | C9H6O3 | 162.144 g/mol
化学物質識別子
CAS703-59-3
IUPAC Name3,4-dihydro-1H-2-benzopyran-1,3-dione
Molecular FormulaC9H6O3
InChI KeyAKHSBAVQPIRVAG-UHFFFAOYSA-N
SMILESO=C1CC2=CC=CC=C2C(=O)O1
さらに表示
仕様
スペックシート
スペックシートFormCrystals or powder or crystalline powder
Assay (HPLC)≥97.0%
Appearance (Color)Pale cream to cream to pale brown to pale gray
Assay (Titration ex Anhydride)≥97.0 to ≤103.0%
It is used as a chemical and organic intermediates.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
It is used as a chemical and organic intermediates.
Solubility
Decomposes in water.
Notes
Moisture sensitive. Storage temperature 15 - 30°C. Store under inert gas. Store away from exposure to moisture, strong oxidizing agents, strong acids, strong bases.
It is used as a chemical and organic intermediates.
Solubility
Decomposes in water.
Notes
Moisture sensitive. Storage temperature 15 - 30°C. Store under inert gas. Store away from exposure to moisture, strong oxidizing agents, strong acids, strong bases.
RUO – Research Use Only
General References:
- Niefang Yu; Line Bourel; Benoit Deprez; Jean-Claude Gesquiere. Lewis acid-induced reaction of homophthalic anhydride with imines: a convenient synthesis of trans-isoquinolonic acids. Tetrahedron Letters. 1998, 39 (8), 829-832.
- Yasumitsu Tamura; Manabu Sasho; Kiyomi Nakagawa; Teruhisa Tsugoshi; Yasuyuki Kita. Strong base induced cycloaddition of homophthalic anhydrides leading to peri-hydroxy polycyclic compounds. J. Org. Chem. 1984, 49, (3), 473-478.
- Can behave, in its tautomeric o-quinonoid form, as a diene in the Diels-Alder reaction, giving, e.g. with quinones, useful yields of functionalized linear polycyclic systems of potential applicability in anthracyclinone synthesis: Tetrahedron Lett., 22, 4283 (1981); J. Org. Chem., 47, 4376 (1982):