Výsledky vyhledávání - "Joshua Sieber"

A Unified Approach to the Aminoallylation of Carbonyl Compounds Through Cu-Catalyzed Enantioselective Reductive Coupling of Allenamides

Autor: Raphael Klake, Stephen Collins, Joshua Sieber

Herein, we report the development of a highly enantioselective aminoallylation reaction of both aldehyde and ketone electrophiles through the Cu-catalyzed reductive coupling of N-substituted allenes (allenamides). Through optimization of the allenami

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2340272d9fdcf119f6c895572357b7f1
https://doi.org/10.26434/chemrxiv-2022-94pg8

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Asymmetric Access to Boryl-Substituted Vicinal Aminoalcohols through Cu-Catalyzed Reductive Coupling

Autor: Samantha Gargaro, Joshua Sieber

Important biologically active organic compounds such as natural products and pharmaceuticals often contain multiple oxygen and nitrogen heteroatoms within their carbon framework. Furthermore, chiral 1,2-aminoalcohol substitution patterns are often pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4cd31181483eaae000b2a1ebc737dd7a
https://doi.org/10.26434/chemrxiv-2022-lmkp8

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Asymmetric Synthesis of Propargylic alfa-Chiral Tertiary Amines by Reductive Alkynylation of Tertiary Amides Using Ir/Cu Tandem Catalysis

Autor: Toolika Agrawal, Kimberly Perez-Morales, Jermaine Cort, Joshua Sieber

The development of an asymmetric protocol for the reductive alkynylation of amides to access important alfa-chiral tertiary propargylic amines is reported using tandem Ir-catalyzed hydrosilylation/enantioselective Cu-catalyzed alkynylation. The react

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06da8bd00feaede3f0359abee57f2ec7
https://doi.org/10.26434/chemrxiv-2021-9fhcr

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