Naslov
Crystal structures of two polycyclic compounds containing 7-metalonorbornene (silicon and germanium) units

Autori
Milić, Dalibor ; Đilović, Ivica ; Matković-Čalogović, Dubravka ; Prugovečki, Biserka ; Eckert-Maksić, Mirjana ; Margetić, Davor

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Book of Abstracts of the Fourteenth Croatian-Slovenian Crystallographic Meeting / - , 2005, 42-42

Skup
Croatian-Slovenian Crystallographic Meeting (14 ; 2005)

Mjesto i datum
Vrsar, Hrvatska, 15.06.2005. - 17.06.2005

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Nije recenziran

Ključne riječi
polycyclic compound; 7-metalonorbornene (silicon and germanium) units

Sažetak
In our research in organometallic cycloaddition chemistry, we have studied Diels-Alder reactions of 1-sila-2, 5-diphenyl-1, 1-dimethyl-2, 4-cyclopentadiene, 1-sila-2, 3, 4, 5-tetraphenyl-1, 1-dimethyl-2, 4-cyclopen tadiene and 1-germa-2, 3, 4, 5-tetraphenyl-1, 1-dimethyl-2, 4-cyclopentadiene as reactive dienes under high pressure. These dienes react readily with 7-oxanorbornene and 7-oxabenzonorbornadiene double bond and form polycyclic compounds containing 7-metalonorbornene (silicon or germanium) moieties. Stereochemistry of the additions was established by crystallographic study of adducts 1 and 2 to be exo, endo-. Diffracted intensities were collected on the Oxford Diffraction Xcalibur 3 diffractometer using graphite-monochromated MoKα radiation at 100 K. Data reduction was performed using the CrysAlis software package. The structures were solved by direct methods (SHELXS) and refined by the full-matrix least-squares method based on F2 against all reflections (SHELXL). All non-hydrogen atoms were refined anisotropically. Hydrogen atoms were placed geometrically.

Izvorni jezik
Engleski

Znanstvena područja
Kemija

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