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Digitale Medien

The ring opening of substituted cyclopropylidenes to substituted allenes: the effects of steric and long-range electrostatic interactions (1991)

Valtazanos, Petros ; Ruedenberg, Klaus

Springer

Theoretical chemistry accounts 78 (1991), S. 397-416

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Details

ISSN: 1432-2234

Schlagwort(e): Cyclopropylidene to allene (substituted) ; Electrostatic interactions between substituents

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Summary It is shown that all stereospecific preferences found experimentally for the ring opening of substituted cyclopropylidenes are satisfactorily reproduced by adding steric and long-range electrostatic interactions to the cyclopropylidene reaction surface. The corresponding surface for dimethyl cyclopropylidene is mapped out in detail. The surface for 3-methyl- and 2-bromo-3-methyl-cyclopropylidene is explored around the transition region. From the success of this approach it is inferred that short-range covalent interactions are unlikely to be responsible for sterospecific preferences found in these systems.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01112347

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