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Formation of sp 3 -C 1 -Bridged Cp/Amido Titanium and Zirconium “CpCN” Constrained-Geometry Ziegler−Natta Catalyst Systems

✍ Scribed by Kunz, Klaus; Erker, Gerhard; Döring, Steve; Bredeau, Stephane; Kehr, Gerald; Fröhlich, Roland

Book ID: 126450878
Publisher: American Chemical Society
Year: 2002
Tongue: English
Weight: 180 KB
Volume: 21
Category: Article
ISSN: 0276-7333
DOI: 10.1021/om010624t

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6-Amino-6-methylfulvene (4) is cleanly N-acylated by formation of [(C 5 H 4 )C(=CH 2 )NCOCMe 3 ]Zr(NEt 2 ) 2 (11) (70 % isolated), and the reaction of 8b with (Et 2 N) 2 ZrCl 2 yields treatment with pivaloylchloride/triethylamine to give the fulvene (C 5 H 4 )=C(CH 3 )NHCOCMe 3 (5c). Treatment of 4