TY - JOUR
T1 - A zirconocene(IV) chloro-alkyl and dialkyl containing chiral α-carbon atoms, [Zr(η-C5H5)2(R*)(X)] [R* = CH(SiMe3)C6H4Me-o, X = Cl or R*]
T2 - Synthesis, stereoisomerism, and d1 reduction products
AU - Lappert, Michael F.
AU - Raston, Colin L.
PY - 1981
Y1 - 1981
N2 - Reactions of [Zr(η-C5H5)2Cl 2] with LiR*(tmeda) [R* = CH(SiMe3)C 6H4Me-o, tmeda = Me2NCH2CH 2-NMe2] under different conditions yield [Zr(η-C 5H5)2(Cl)R*] (3), and the diastereoisomers meso - (2a) and rac - (2b) [Zr(η-C5H 5)2R*2], the latter of which is prepared from (2a) by photolysis or thermolysis; [Zr(η-C5H 5)2R*(thf)x] (x = 0-2) is obtained and characterised by e.s.r. spectroscopy in tetrahydrofuran (thf) solution by (a) Na[C 10H8]-thf-reduction of complex (2a), (2b), or (3) [via the radical anion of (3), itself accessible by reversible one-electron reduction of (3)], or (b) Na-Hg-thf-reduction of (3).
AB - Reactions of [Zr(η-C5H5)2Cl 2] with LiR*(tmeda) [R* = CH(SiMe3)C 6H4Me-o, tmeda = Me2NCH2CH 2-NMe2] under different conditions yield [Zr(η-C 5H5)2(Cl)R*] (3), and the diastereoisomers meso - (2a) and rac - (2b) [Zr(η-C5H 5)2R*2], the latter of which is prepared from (2a) by photolysis or thermolysis; [Zr(η-C5H 5)2R*(thf)x] (x = 0-2) is obtained and characterised by e.s.r. spectroscopy in tetrahydrofuran (thf) solution by (a) Na[C 10H8]-thf-reduction of complex (2a), (2b), or (3) [via the radical anion of (3), itself accessible by reversible one-electron reduction of (3)], or (b) Na-Hg-thf-reduction of (3).
UR - http://www.scopus.com/inward/record.url?scp=37049113703&partnerID=8YFLogxK
U2 - 10.1039/C39810000173
DO - 10.1039/C39810000173
M3 - Article
AN - SCOPUS:37049113703
SN - 0022-4936
SP - 173
EP - 175
JO - Journal of the Chemical Society, Chemical Communications
JF - Journal of the Chemical Society, Chemical Communications
IS - 4
ER -