Publication | Closed Access
A stable methyleneketene and the stepwise fragmentation of Meldrum's acids
31
Citations
0
References
1986
Year
Derivative (Chemistry)Methylenemalonic AnhydrideEngineeringBiochemistryStepwise FragmentationNatural SciencesChemical DerivativeMolecular FragmentationOrganic ChemistryFirst Isolable MethyleneketeneChemistryHeterocycle ChemistryChemical KineticsSynthetic ChemistryBiomolecular EngineeringAcid Derivative
Mild Flash vacuum pyrolysis of the Meldrum's acid derivative (3) gives the first example of a methylenemalonic anhydride (4), which decarboxylates in solution to give the first isolable methyleneketene (5); the structures are supported by 13C n.m.r. spectra and chemical reactions.