The preparation of imidazolidinone and oxazolidinone chelated carbene complexes

…, W Jiang, R Hsung, M Parisi, A Rahm, XW Jiang…

Index: Powers, Timothy S.; Wulff, William D.; Quinn, John; Shi, Yan; Jiang, Weiqin; Hsung, Richard; Parisi, Mark; Rahm, Annette; Wu Jiang, Xiao; Yap, Glenn P.A.; Rheingold, Arnold L. Journal of Organometallic Chemistry, 2001 , vol. 617-618, p. 182 - 208

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Abstract

The synthesis of several internally chelated imidazolidinone and oxazolidinone Fischer carbene complexes of the type (CO) 4M= CC (R1) NCO (CHR2CHR3X) are reported where the M= chromium, tungsten; R1= methyl, ethyl, iso-propyl, phenyl, trans-propenyl, iso- propenyl, iso-butenyl, cyclohexenyl and 1-propynyl; R2= H, Ph, Bn, Me, Cy; R3= H, Me, Ph; X= O, NMe. Four different methods are used for the synthesis of these complexes. The ...