Results 271 to 280 of about 3,218,036 (364)

Umpolung Activation of Bicyclobutanes via N‐Heterocyclic Carbene Catalysis

open access: yesAngewandte Chemie, EarlyView.
NHC‐catalyzed umpolung of bicyclo[1.1.0]butane (BCB) aldehydes enables nucleophilic cycloaddition with carbonyls and imines to form bicyclic lactones and lactams. The resulting oxa‐ and aza‐bicyclo[3.1.1]heptane products can be further transformed into valuable rigid 3D scaffolds, offering a simple and versatile approach to access new chemical space ...
Yu‐Che Chang   +5 more
wiley   +2 more sources

Correction: Green microalga <i>Chromochloris zofingiensis</i> conserves substrate uptake pattern but changes their metabolic uses across trophic transition. [PDF]

open access: yesFront Microbiol
Hu Y   +10 more
europepmc   +1 more source

Growing intradiploic epidermoid cyst presenting as a diagnostic challenge in the setting of Langerhans cell histiocytosis: A case report. [PDF]

open access: yesRadiol Case Rep
Fletcher BS   +5 more
europepmc   +1 more source

Synthesis and Application of Bioactive N‐Functionalized Aziridines

open access: yesAngewandte Chemie, EarlyView.
This review discusses modern synthetic methods for the preparation of aziridine‐containing small molecules, including biocatalytic, electrocatalytic, and photocatalytic strategies. We highlight the compatibility of various synthetic methods with control of the exocyclic N‐substituent.
Hao Tan   +4 more
wiley   +1 more source

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