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Diiodotetrasupersilylcyclotetrasilene ( t Bu 3 Si) 4 Si 4 I 2 —A Molecule Containing an Unsaturated Si 4 Ring
Author(s) -
Wiberg Nils,
Auer Harald,
Nöth Heinrich,
Knizek Jörg,
Polborn Kurt
Publication year - 1998
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/(sici)1521-3773(19981102)37:20<2869::aid-anie2869>3.0.co;2-2
Subject(s) - methanol , iodine , molecule , chemistry , ring (chemistry) , silicon , oxygen , orange (colour) , photochemistry , double bond , oxygen atom , medicinal chemistry , crystallography , stereochemistry , polymer chemistry , organic chemistry , food science
The red‐orange tetrasilacyclobutene 1 (R*=Si t Bu 3 ) is formed quantitatively by the reaction of tetrasilatetrahedrane 2 and iodine. Surprisingly, water and methanol do not react with 1 with addition to the Si−Si double bond, but instead with replacement of the silicon‐bound iodine atoms with oxygen or the methoxy group, respectively. The substitutions possibly proceed by dissociative activation via intermediate 3 .