New Method for the Preparation of Alkoxycarbene Complexes of Chromium, Molybdenum, and Tungsten Using Sulfonium Salts
Alkylation of tetramethylammonium acylate complexes of chromium, molybdenum, and tungsten with alkyldiphenylsulfonium salts readily proceeds under mild conditions to afford alkoxycarbene complexes containing a variety of functional groups in good yields.
Nakamura, Takako,Matsuyama, Haruo,Iyoda, Masahiko
p. 1537 - 1540
(2007/10/02)
Intramolecular cyclopropanation reactions of chromium (alkenyloxy)carbene complexes
Chromium (aryl)(alkenyloxy)carbene complexes underwent intramolecular cyclopropanation reactions under mild conditions. Evidence for the intervention of metathesis/readdition and for "twist" addition followed by β-hydride elimination/reductive elimination
S?derberg, Bj?rn C.,Hegedus, Louis S.
p. 3113 - 3121
(2008/10/08)
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