Organocatalytic synthesis of axially chiral atropisomers
نویسندگان
چکیده
منابع مشابه
Organocatalytic atroposelective synthesis of axially chiral styrenes
Axially chiral compounds are widespread in biologically active compounds and are useful chiral ligands or organocatalysts in asymmetric catalysis. It is well-known that styrenes are one of the most abundant and principal feedstocks and thus represent excellent prospective building blocks for chemical synthesis. Driven by the development of atroposelective synthesis of axially chiral styrene der...
متن کاملErratum: Organocatalytic atroposelective synthesis of axially chiral styrenes
This corrects the article DOI: 10.1038/ncomms15238.
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Axially chiral compounds play an important role in areas such as asymmetric catalysis. The tyrosine click-like reaction is an efficient approach for synthesis of urazoles with potential applications in pharmaceutical and asymmetric catalysis. Here we discover a class of urazole with axial chirality by restricted rotation around an N-Ar bond. By using bifunctional organocatalyst, we successfully...
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Bifunctional organocatalysts bearing amino and urea functional groups in a chiral molecular skeleton were applied to the enantioselective synthesis of axially chiral benzamides via aromatic electrophilic bromination. The results demonstrate the versatility of bifunctional organocatalysts for the enantioselective construction of axially chiral compounds. Moderate to good enantioselectivities wer...
متن کاملAxially chiral BODIPYs.
The synthesis and resolution of a class of chiral organic fluorophores, axially chiral 4,4-difluoro-4-bora-3a,4a-diaza-s-indacenes (Ax*-BODIPY), is described. Ax*-BODIPYs were prepared through a modular synthesis combined with a late stage Heck functionalisation. Resolution was achieved by preparative chiral HPLC. Absolute stereochemical assignment was performed by comparison of experimental EC...
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ژورنال
عنوان ژورنال: Organic & Biomolecular Chemistry
سال: 2017
ISSN: 1477-0520,1477-0539
DOI: 10.1039/c7ob00908a