Premium
Darstellung und Struktur von Alkali‐penta‐ tert ‐butoxystannaten(IV)
Author(s) -
Veith Michael,
Reimers Michael
Publication year - 1990
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19901231003
Subject(s) - chemistry , orthorhombic crystal system , alkali metal , toluene , rubidium , tin , potassium , crystal structure , lithium (medication) , monomer , caesium , sodium , medicinal chemistry , crystallography , stereochemistry , inorganic chemistry , organic chemistry , polymer , medicine , endocrinology
Preparation and Structure of Alkali Penta‐tert‐butoxystannates(IV) Potassium, rubidium, and caesium tert ‐butoxide react with tin tetra‐ tert ‐butoxide in toluene to form compounds MSn(OtBu) 5 [MK( 2 ), Rb ( 3 ), Cs ( 4 )] in contrast to lithium and sodium tert ‐butoxide. The compounds 2–4 are soluble in non‐coordinating solvents and seem to be almost monomeric. 2 crystallizes as 2 · 1/2 toluene in the orthorhombic space group Fddd . The X‐ray structure determination shows 2 to be coordinated as a helical polymer with the tin atom in the center of a trigonal bipyramid of tert ‐butoxide groups interlinked by two structurally different potassium atoms.