Ligand-assisted catalysis: new active and selective nickel modified homogeneous catalysts for linear dimerization of butadiene

P Denis, A Mortreux, F Petit, G Buono…

Index: Denis, Philippe; Mortreux, Andre; Petit, Francis; Buono, Gerard; Peiffer, Gilbert Journal of Organic Chemistry, 1984 , vol. 49, # 26 p. 5274 - 5276

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Citation Number: 21

Abstract

4-Nitrobenzyl phenyl sulfide: mp 74.5-76.5 "C (EtOH) (Lit.l1 mp 76-77 "C); NMR (CDC13) 6 4.21 (s, 2 H), 7.34 (s, 5 H), 7.45 (d, 2 H), 8.23 (d, 2 H). 2-Nitro-5-phenylbenzyl phenyl sulfide: oil; NMR (CDC13) 6 4.55 (s, 2 H), 7.2-7.7 (m, 12 H), 8.18 (d, 1 H). Anal. Calcd for ... N, 4.13. (2-Nitro-5- phenylphenyl)bis(phenylthio)methane: oil; NMR (CDC1,) 6 6.68 (s, 1 H), 7.2-7.7 (m, 16 H), 8.03 (d, 1 H), 8.18 (s, 1 H). Anal. Calcd for C25H19N02S2: C, 69.90; H, 4.46; N, 3.26. Found: ...