Chemistry Letters p. 1439 - 1442 (1994)
Update date:2022-08-16
Topics:
Komoriya, Haruhiko
Kako, Masahiro
Nakadaira, Yasuhiro
Mochida, Kunio
Tonogaki-Kubota, Mari
Kobayashi, Tsunetoshi
Permethylated 3,4,7,8-tetragermacycloocta-1,5-diyne (1) and 3,4-disila-7,8-digermacycloocta-1,5-diyne (2) were prepared.The photoelectron spectra of 1 and 2 were compared with that of their tetrasila-analog 3.The first ionization potential decreases in the order of 3, 2, and 1.Charge-transfer spectra of 1-tetracycanoethylene (TCNE), 2-TCNE and 3-TCNE complexes were observed.Only 1 was oligomerized in the presence of TCNE to give its higher homologues.All 1, 2, and 3 cycloadded to 2,3-dichloro-5,6-dicyano-1,4-benzoquinone to give the corresponding 1:1 adducts in a <2+6> manner.
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