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Cp′ 2 TiS 5 O and Cp′ 2 TiOS 5 —Isomeric Titanocene Complexes with Two Novel S‐O Chelate Ligands (Cp′ = η 5 ‐CH 3 C 5 H 4 )
Author(s) -
Steudel Ralf,
Prenzel Andreas,
Pickardt Joachim
Publication year - 1991
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199105501
Subject(s) - chelation , sulfur , ring (chemistry) , chemistry , medicinal chemistry , titanium , stereochemistry , atom (system on chip) , crystallography , inorganic chemistry , organic chemistry , computer science , embedded system
Six‐and seven‐membered titanacycles are present in compounds 1 and 2 , respectively. Compound 1 is the first compound with an oxidized sulfur chain that is stable as a solid at room temperature and on exposure to air. It isomerizes rapidly in solution to form the ring‐expanded product 2 . The driving force for this rearrangement is presumably the high oxophilicity of the titanium atom.