Application In Synthesis of Bis(norbornadiene)rhodium (I) tetrafluoroborate. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Bis(norbornadiene)rhodium (I) tetrafluoroborate, is researched, Molecular C14H8BF4Rh, CAS is 36620-11-8, about Efficient access to chiral dihydrobenzoxazinones via Rh-catalyzed hydrogenation.
Rh/(S)-DTBM-SegPhos-catalyzed asym. hydrogenation of prochiral (Z)-2-(2-oxo-2H-benzo[b][1,4]oxazin-3(4H)-ylidene)acetate esters I (R = 6-F, 5-CH3, 7-Cl, etc.; R1 = CH3, C2H5) was successfully developed. A series of chiral dihydrobenzoxazinones (R)-II was prepared through efficient methodol. with good to excellent results (up to >99% conversion, 93% yield and >99% ee), which are important motifs in the biol. active mols.
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Quinuclidine – Wikipedia,
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