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  • Tunable P-Chiral Bisdihydrobenzooxaphosphole Ligands for Enantioselective Hydroformylation.

Tunable P-Chiral Bisdihydrobenzooxaphosphole Ligands for Enantioselective Hydroformylation.

Organic letters (2016-06-23)
Renchang Tan, Xin Zheng, Bo Qu, C Avery Sader, Keith R Fandrick, Chris H Senanayake, Xumu Zhang
PMID27333435
ABSTRACT

Air-stable and tunable chiral bisdihydrobenzooxaphosphole ligands (BIBOPs) were employed in rhodium-catalyzed asymmetric hydroformylation of various terminal olefins with excellent conversions (>99%), moderate-to-excellent enantioselectivities (up to 95:5 er), and branched to linear ratios (b:l) of up to 400.