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Copper(<scp>i</scp>)/DM-SEGPHOS-catalyzed enantio- and diastereoselective conjugate boration to α-alkylidene-γ-lactams
- Source :
- Organic Chemistry Frontiers. 7:709-714
- Publication Year :
- 2020
- Publisher :
- Royal Society of Chemistry (RSC), 2020.
-
Abstract
- A combination of CuCl and DM-SEGPHOS catalyst system has allowed the development of highly enantioselective and diastereoselective conjugate addition of bis(pinacolato)diboron to α-alkylidene-γ-lactams. The key structural feature of conjugate acceptors, α-alkylidene-γ-lactams, was identified as the carbamate group such as N-Boc and N-Cbz, where the typical low reactivity and stereoselectivity issues associated with α,β-unsaturated lactams as conjugate acceptors were resolved.
Details
- ISSN :
- 20524129
- Volume :
- 7
- Database :
- OpenAIRE
- Journal :
- Organic Chemistry Frontiers
- Accession number :
- edsair.doi...........a346645a01976b31df28f1087896a22d