PROCESS FOR THE RACEMOSELECTIVE SYNTHESIS OF ANSA-METALLOCENES
The present invention relates to a process for the racemoselective preparation of ansa-metallocene complexes of the formula (I), (I) Where R1, R1 are identical or different and are each hydrogen or an organic radical having from 1 to
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Page/Page column 15
(2008/06/13)
THE CLEAVAGE OF P-C BONDS IN DIPHOSPHINES BY LITHIUM: THE CRYSTAL STRUCTURE OF 2(OC4H8)8>
Reaction of alkane-1,n-diylbisdiphenylphosphines with lithium in tetrahydrofuran gives only the diphosphides resulting from cleavage of a phosphorus-aryl bond at each end of the chain; the course of the reaction is independent of chain length.The X-ray structure of the ethane diphosphide is presented and a possible mechanism discussed.
Brooks, Peter,Craig, Donald C.,Gallagher, Michael J.,Rae, A. David,Sarrof, Adrien
p. C1 - C4
(2007/10/02)
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