Tetrahedron p. 89 - 102 (1992)
Update date:2022-07-31
Topics:
Igarashi, Yoshiyuki
Kabe, Yoshio
Hagiwara, Tsuneo
Ando, Wataru
The dilithiated compound 3 reacted with 1,3-dichlorotrisilane to give <3.1.1>trisilapropellane 1 as a stable form.The reaction of 3 with 1,2-dichlorodisilane gave the ether-incorporated product 9 through <2.1.1>disilapropellane 13.Reductive coupling of the bissilylated tricyclo<4.1.0.02,7>heptane 23a also provided <3.1.1>disiloxapropellane 25 via the intermediate of <2.1.1>disilapropellane 24a.The compounds 1 and 25 show an unique reactivity in the presence of acid to give 7 and 27.The structures of 7 and 27 sharing common ring system have been determined by 2D-NMR and X-ray crystal analysis, respectively.Theoretical studies are also carried out by MNDO method.
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(1992)
