exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride, 98+%

CAS: 6118-51-0

Ref. 02-L03620

Product Information

• Name: exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride, 98+%
• Synonyms: exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride, (3aR,4S,7R,7aS)-3a,4,7,7a-tetrahydro-4,7-epoxy-2-benzofuran-1,3-dione, (exo,exo)-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride, 4,7-Epoxyisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aR,4S,7R,7aS)-rel-, 4,7-Epoxyisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aα,4β,7β,7aα)-, 5,6-Dehydronorcantharidin, 7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride, exo-, 7-Oxabicyclo[2.2.1]hept-5-ene-2,3-exo-dicarboxylic anhydride, NSC 144085, exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic acid anhydride, exo-5,6-Dehydronorcantharidin, exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid anhydride, exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride, exo-7-Oxanorbornene-2,3-dicarboxylic anhydride, exo-7-Oxanorbornene-5,6-dicarboxylic anhydride, exo-cis-3,6-Endoxo-Δ⁴-tetrahydrophthalic anhydride, rel-(3aR,4S,7R,7aS)-3a,4,7,7a-Tetrahydro-4,7-epoxyisobenzofuran-1,3-dione
• CAS: 6118-51-0

Description

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. 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.

• Brand: Alfa Aesar By Thermo Fisher Scientific

Chemical properties

• Molecular weight: 166.13
• Formula: C₈H₆O₄
• Purity: 98+%
• Color/Form: White to pale cream, Crystals or powder or crystalline powder
• InChI: InChI=1S/C8H6O4/c9-7-5-3-1-2-4(11-3)6(5)8(10)12-7/h1-6H
• InChI key: InChIKey=QQYNRBAAQFZCLF-UHFFFAOYSA-N
• SMILES: O=C1OC(=O)C2C3C=CC(O3)C12