COA of Formula: C14H8BF4Rh. 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 Practical and efficient preparation of the chiral 4-bromotryptophan derivative by Rh-catalyzed hydrogenation.
An efficient three-step sequence has been developed for the preparation of a chiral 4-bromotryptophan derivative starting from the com. available 4-bromoindole. Key to the synthesis was the generation of the chiral center via a Rh-catalyzed asym. hydrogenation of a dehydrotryptophan precursor with 95% yield and >99% ee. Notably, the whole synthetic route required no column chromatog. operations and was readily conducted on large scales.
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Reference:
Quinuclidine – Wikipedia,
Quinuclidine | C7H13N | ChemSpider