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3,4-Diethoxy-3-cyclobutene-1,2-dione (CAS 5231-87-8)

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Alternate Names:
Diethyl squarate
CAS Number:
5231-87-8
Molecular Weight:
170.16
Molecular Formula:
C8H10O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Useful starting material for synthesis of furanones(1) and quinones.(2) Also undergoes ethoxy substitution with amines(3) and unsaturated organosilanes.(4)


3,4-Diethoxy-3-cyclobutene-1,2-dione (CAS 5231-87-8) References

1. J. Org. Chem. 59, 4707, (1994) 2. Org. Synth. 69, 220, (1990) 3. J. Med. Chem. 35, 4720, (1992) 4. J. Chem. Soc. Perkin Trans. I, 263, (1993)

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

3,4-Diethoxy-3-cyclobutene-1,2-dione, 5 g

sc-252042
5 g
$162.00