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RhCl 3 ‐Mediated Coupling Reactions of tert ‐Butyl Acetylene
Author(s) -
Kiefer Gregor,
Dutta Barnali,
Solari Euro,
Scopelliti Rosario,
Severin Kay
Publication year - 2012
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201100537
Subject(s) - acetylene , dimer , chemistry , methanol , medicinal chemistry , crystal structure , stereochemistry , crystallography , organic chemistry
RhCl 3 is shown to mediate unusual coupling reactions of tert ‐butyl acetylene. When RhCl 3 (H 2 O) n was heated with four equivalents of tert ‐butyl acetylene in methanol, the dinuclear complex [{Rh(μ‐Cl)(CH 2 t Bu)( t BuC=CHCOCH 2 t Bu)} 2 ] ( 2 ) was isolated. A larger excess of tert ‐butyl acetylene (12 equiv.) resulted in the formation of the dimer [{η 5 ‐C 5 H 2 t Bu 2 (CH 2 t Bu)}Rh(μ‐Cl) 3 Rh(C 24 H 42 O 2 )] ( 3 ). Both complexes were analyzed by single‐crystal X‐ray diffraction.
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