3,4-Diethoxy-3-cyclobutene-1,2-dione

The reaction of 3,4-diethoxy-3-cyclobutene-1,2-dione (squaric acid diethyl ester) with glycosylamines (formed by reducing oligosaccharides) was studied. The derivatives formed were linked to amino-functionalized lipids, solids or proteins.

Catalog Number CBB1113479
Alternative Name(s) Squaric acid diethyl ester; Diethyl squarate
Molecular Formula (C2H5O)2C4(=O)2
CAS# 5231-87-8
Purity >98%
Inchi 1S/C8H10O4/c1-3-11-7-5(9)6(10)8(7)12-4-2/h3-4H2,1-2H3
Inchi Key DFSFLZCLKYZYRD-UHFFFAOYSA-N
SMILES CCOC1=C(OCC)C(=O)C1=O
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