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The First Rotational Isomers of Stable Selenoaldehydes and Their η 1 ‐Tungsten Complexes
Author(s) -
Takeda Nobuhiro,
Tokitoh Norihiro,
Okazaki Renji
Publication year - 1996
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.199606601
Subject(s) - tungsten , dimer , steric effects , thermal decomposition , chemistry , decomposition , medicinal chemistry , crystallography , stereochemistry , organic chemistry
Deselenation of the sterically congested cyclic polyselenide TbtCHSe n ( n = 5.1) provided new access to selenobenzaldehyde 1a , which is stable in solution but on concentration dimerizes to give the head‐to‐tail dimer 2 . Thermolysis of 2 (45°) resulted in formation of 1a and its rotational isomer 1b . Pentacarbonyltungsten complexes of both isomers were synthesized and characterized.