Silicon Chalcogenide Cage Compounds: New Structures Derived from the Bicyclic Silicon(I) Ring Compound Si4{N(SiMe3)Mes}4.

Autor:	Quest, Michael, Hepp, Alexander, Daniliuc, C. G., Lips, Felicitas
Předmět:	CYCLIC compounds SILICON compounds SILICON SILICON oxide CHALCOGENIDES OXIDATION states
Zdroj:	Chemistry - A European Journal; Jan2024, Vol. 30 Issue 5, p1-5, 5p
Abstrakt:	The bicyclic silicon(I) ring compound Si4{N(SiMe3)Mes}4 (2) was used as starting material in reactions with chalcogens and chalcogen transfer agents at low temperatures. This resulted in the selective formation of new cage compounds. With Me3NO, a silicon oxide with adamantane‐type cage 3 was isolated that represents the first isolated T4 silsesquioxane. Reactions with propylenesulfide and red selenium gave direct access to defect heterocubane‐type cages 4 and 5 with three Si−Si bonds wherein the silicon atoms adopt different low oxidation states of +I and +III. A reaction with elemental tellurium even occurs below room temperature to provide ditelluro−tetrasila−tricyclohexane 6. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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