Density functional theory studies on the generation of trimethylenemethanes from the ring opening of dialkoxymethylenecyclopropanes and methylenecyclopropanethioacetals and follow-up reactions

[1]  R. Tia,et al.  Mechanistic studies on Diels-Alder [4 + 2] cycloaddition reactions of α,β-substituted cyclobutenones: Role of substituents in regio- and stereoselectivity , 2016 .

[2]  L. Slipchenko,et al.  Electronic structure of the trimethylenemethane diradical in its ground and electronically excited states: Bonding, equilibrium geometries, and vibrational frequencies , 2003 .

[3]  E. Nakamura,et al.  Thermal reactions of dipolar trimethylenemethane species. , 2002, Accounts of chemical research.

[4]  E. Nakamura,et al.  Cycloaddition Reactions of Trimethylenemethane Radical Cation Generated from Methylenecyclopropanone Thioacetal. , 1999 .

[5]  K. Morokuma,et al.  REVERSIBLE GENERATION OF TRIMETHYLENEMETHANES BY MILD THERMOLYSIS OF DIALKOXYMETHYLENECYCLOPROPANES , 1991 .

[6]  E. Nakamura,et al.  Use of methylenecyclopropanone ketals for cyclopentane synthesis. A new efficient thermal [3 + 2] cycloaddition , 1989 .

[7]  B. Trost.  [3 + 2]Cycloaddition Approaches to Five-Membered Rings via Trimethylenemethane and Its Equivalents , 1986 .

[8]  B. Trost.  [3+2] Cycloaddition Approaches to Five‐Membered Rings via Trimethylenemethane and Its Equivalents [New Synthetic Methods (55)] , 1986 .

[9]  D. Dixon,et al.  Electronic states of 2-methylenecyclopentane-1,3-diyl and trimethylenemethane , 1981 .

[10]  J. A. Berson.  The chemistry of trimethylenemethanes, a new class of biradical reactive intermediates , 1978 .

[11]  W. Lipscomb,et al.  Theoretical studies of thermal rearrangements. Methylenecyclopropane and barriers to internal rotation in biradicals , 1978 .

[12]  R. Little,et al.  The influence of substituents on the molecular orbital energies and ground electronic states of substituted trimethylenemethanes , 1976 .

[13]  H. Schaefer,et al.  Triplet electronic ground state of trimethylenemethane , 1974 .

[14]  L. Salem,et al.  Organic transition states. II. Methylenecyclopropane rearrangement. Two-step diradical pathway with a secondary minimum , 1974 .

[15]  L. Salem,et al.  Electron repulsion pericyclic transition states , 1973 .

[16]  W. Schoeller.  Charakteristika diradikaler übergangszustände von sigmatropen umlagerungen , 1973 .

[17]  J. R. Butler,et al.  Degeneracy in the methylenecyclopropane rearrangement , 1970 .

[18]  W. Doering,et al.  Symmetrical distribution of energy in initially unsymmetrically excited products , 1968 .

[19]  W. T. Borden.  The electronic nature of trimethylenemethane , 1967 .

[20]  R. J. Crawford,et al.  Evidence for Trimethylenemethane as an Intermediate in a Pyrolysis Reaction , 1966 .

[21]  J. P. Chesick.  Kinetics of the Thermal Interconversion of 2-Methylmethylenecyclopropane and Ethylidenecyclopropane , 1963 .

[22]  H. C. Longuet-Higgins,et al.  Some Studies in Molecular Orbital Theory I. Resonance Structures and Molecular Orbitals in Unsaturated Hydrocarbons , 1950 .

[23]  C. Coulson,et al.  The free radicals CH2(CH)2m–1CH2 , 1948 .