3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98%

CAS: 5222-73-1

Ref. 02-A18186

Product Information

• Name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98%
• Synonyms: dimethoxycyclobut-3-ene-1,2-dione, Squaric acid dimethyl ester, 3,4-Dimethoxycyclobut-3-Ene-1,2-Dione, Dimethyl squarate

Description

3,4-Dimethoxy-3-cyclobutene-1,2-dione (Dimethyl squarate) finds it uses in the synthesis of chiral squaramides, highly enantioselective catalyst for the Friedel-Crafts reactions of indoles, 3-(hydroxyamino)-4-methoxy-3-cyclobutene-1,2-dione, squarate derivatives of the O-SP-core antigens, methyl squarate derivative of the Ogawa O-SP-core antigen, o-quinodimethanes, benzocyclobutenes, quinones. It is employed as a starting material in the preparation of o-quinodimethanes, benzocyclobutenes, and quinones. 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: 142.11
• Formula: C₆H₆O₄
• Purity: 98%
• Color/Form: White to pale yellow, Powder or granules
• InChI: InChI=1S/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3
• InChI key: SZBNZTGCAMLMJY-UHFFFAOYSA-N
• SMILES: COc1c(OC)c(=O)c1=O