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Effective and modular synthetic approaches toward phosphine–phosphite ligands and phosphine–phosphonite ligands featuring a diphenyl ether backbone have been developed. The phosphine–phosphite ligands are obtained by a two‐step protocol from 2‐bromo‐2′‐methoxydiphenyl ether. The phosphine–phosphonite ligands are prepared in a four‐step synthetic protocol that involves a novel, unsymmetrical diphenyl...
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