Helvetica Chimica Acta p. 962 - 971 (1986)
Update date:2022-09-26
Topics:
Gleiter, Rolf
Krennrich, Gerhard
Bischof, Peter
Tsuji, Takashi
Nishida, Shinya
The electronic structure of <4.2.2>propella-2,4,7,9-tetraene (1), 2,5-etheno<4.2.2>propella-3,7,9-triene (2), and of several hydrogenated derivatives of 2 has been investigated using He(I) PE spectroscopy and MO calculations.It is found that in 2 the 1,4-cyclohexadiene moiety interacts considerably with the bicyclo<2.2.0>hexadiene unit, while in 1 the interaction between the butadiene fragment and the Dewar benzene unit is minute.The syntheses of 3-5 are reported.
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