exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride

• Catalog No.: L03620
• CAS Number: 6118-51-0
• M. F.: C8H6O4
• M. W.: 166.13084
• Purity: 98+%

SYNONYMS

• Title: exo-7-氧杂二环[2.2.1]庚基-5-烯-2,3-二羧酸酐
• IUPAC name: 4,10-dioxatricyclo[5.2.1.0^2,^6]dec-8-ene-3,5-dione
• IUPAC Traditional name: 4,10-dioxatricyclo[5.2.1.0^2,^6]dec-8-ene-3,5-dione
• Synonyms: exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride

DATABASE IDS

• Beilstein Number: 10355
• EC Number: 226-570-2
• MDL Number: MFCD00151506
• CAS Number: 6118-51-0

PROPERTIES

• Purity: 98+%
• Melting Point: 118-119°C
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• GHS Precautionary statements: P261-P305+P351+P338-P302+P352-P321-P405-P501A
• Risk Statements: 36/37/38
• RTECS: KC9650000
• Safety Statements: 26-37
• Storage Warning: Moisture Sensitive
• TSCA Listed: 是

REFERENCES

• Intermediate in a useful synthesis of 4,4-dialkyl-2-butenolides, based on reaction with two moles of Grignard reagent, followed by cycloreversion (elimination of furan) to release the double bond: J. Org. Chem., 47, 3953 (1982); Tetrahedron Lett., 24,1929 (1983):
  
• For a review of cycloreversion reactions in organic synthesis, see: Synthesis, 121 (1985).