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Reactions of Cyano(alkynyl)ethenes with Some Alkynyl- and Diynyl-ruthenium Complexes by David J. Armitt; Michael I. Bruce; Brian W. Skelton; Allan H. White is a Chemistry article available to read on EtoBox.

What is Reactions of Cyano(alkynyl)ethenes with Some Alkynyl- and Diynyl-ruthenium Complexes about?

Reactions of Ru(C"CPh)(PPh 3 ) 2 Cp with (NC) 2 C@CR 1 R 2 (R 1 = H, R 2 = C"CSiPr i 3 8; 11,12), respectively, by formal [2 + 2]-cycloaddition of the alkynyl and alkene, followed by ring-opening of the resulting cyclobutenyl (not detected) and displacement of a PPh 3 ligand. Deprotection (tbaf) of 11 and subsequent reactions with RuCl(dppe)Cp and AuCl(PPh 3 ) afforded binuclear derivatives Ru{g 3 -C[@C(CN) 2 ]CPh@CHC"C[ML n ]}-(PPh 3 )Cp [ML n = Ru(dppe)Cp 19, Au(PPh 3 ) 20]. Reactions between 8 and Ru(C"CC"CR)(PP)Cp [PP = (PPh 3 ) 2 , R = Ph, SiMe 3 , SiPr i 3 , respectively, in reactions not involving phosphine ligand displacement. The phthalodinitrile C 6 H(C"CSiMe 3 )(CN) 2 (NH 2 )(SiMe 3 ) 10 was obtained serendipitously from (Me 3 SiC"C) 2 CO and CH 2 (CN) 2 , as shown by an XRD structure determination. The XRD structures of precursor 7 and adducts 11, 12 and 17 are also reported.

Who reads Reactions of Cyano(alkynyl)ethenes with Some Alkynyl- and Diynyl-ruthenium Complexes?

Author

David J. Armitt; Michael I. Bruce; Brian W. Skelton; Allan H. White

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)

Published

2008

Language

EN

Field

Chemistry (Physical Sciences)