ACS Catalysis

In Situ-Generated Chiral Co (I)-Catalyst for Asymmetric [2+ 2+ 2] Cycloadditions of Triynes

P Jungk, F Fischer, M Hapke

Index: Hojo,M. et al. Tetrahedron Letters, 1977 , p. 3883 - 3886

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Abstract

... These on the contrary are assembled in situ from metal-olefin precursors and ligands (eg, chiral ... of bisphosphine ligands, as described before by Hilt et al.(15) and Okamoto et al.(16) Applying ... Adding chiral P,P-ligand (aR)-BINAP (4) to the catalytic system, triaryl 3a was isolated ...

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