
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 2247 - 2251 (1991)
Update date:2022-08-03
Topics:
Dzhemilev, U.M.
Khusnutdinov, R.I.
Dokichev, V.A.
Galeev, D.K.
Malikov, A.I.
et al.
The codimerization of quadricyclane (QC), the valence isomer of norbornadiene (NBD), with norbornene compounds was studied in the presence of Pd(O) complexes.Codimerization of QC with norbornene, 5-methyl- and 5-methylenenorbornene, exo-tricyclo<3.2.1.02,4>octene-6, tetracyclo<4.2.0.02,4.03,7>nonene-8, and penta- and hexacyclic NBD dimers was carried out in the presence of PPh3-activated Pd2(DBA)3*CHCl3 to afford a new class of hexa- to nonacyclic strained hydrocarbons with exo- and endo-tetracyclo<4.2.0.02,4.03,7>nonane fragments.
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