Ligandgesteuerte Ringkontraktion von Nickela-fünf-in Vierringkomplexe—neuartige startsysteme für die präparative chemie
…, A Ballesteros, A Sigan, C Jégat, D Bärhausen…
Index: Hoberg, Heinz; Ballesteros, Alfredo; Sigan, Andrei; Jegat, Corine; Baerhausen, Dieter; Milchereit, Armin Journal of Organometallic Chemistry, 1991 , vol. 407, # 3 p. C23 - C29
Full Text: HTML
Citation Number: 35
Abstract
Abstract Nickela-compounds with a five-membered ring, 4, are formed on Ni 0 from CO 2 and alkenes in the presence of the heterodifunctional ligand (cyclo-C 6 H 11) 2 PCH 2 CH 2- 2-pyridyl (2). A ring contraction occurs on addition of a promoteor, such as BeCl 2, or on heating. The greater reactivity of the nickela-complex with a four-membered ring, 6, can be used in the former reactions with CO 2, CO or CH 2 CH 2. Such a sequence of reactions ...
Related Articles:
[Hall, Melanie; Stueckler, Clemens; Hauer, Bernhard; Stuermer, Rainer; Friedrich, Thomas; Breuer, Michael; Kroutil, Wolfgang; Faber, Kurt European Journal of Organic Chemistry, 2008 , # 9 p. 1511 - 1516]
[Viau, Lydie; Chauvin, Remi Journal of Organometallic Chemistry, 2002 , vol. 654, # 1-2 p. 180 - 186]
[Wilkes, John B.; Wall, Robert G. Journal of Organic Chemistry, 1980 , vol. 45, # 2 p. 247 - 250]
[Lange, Susanne; Leitner, Walter Dalton Transactions, 2002 , # 5 p. 752 - 758]
[Lange, Susanne; Leitner, Walter Dalton Transactions, 2002 , # 5 p. 752 - 758]