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Beilstein J. Org. Chem. 2024, 20, 1894–1899, doi:10.3762/bjoc.20.164
Graphical Abstract
Scheme 1: Synthetic routes to 2-oxoazetidine-3-carboxylic acid derivatives.
Scheme 2: Scope of diazotetramic acids 1 thermolysis in the presence of various nucleophiles. PMP = p-methoxy...
Scheme 3: Negative results with several N-, O-, and C-nucleophiles and with diazo reagent 1m.
Scheme 4: Preparation of acids 4 by hydrogenolysis of benzyl esters and examples of acid 4a amidation.
Beilstein J. Org. Chem. 2022, 18, 1636–1641, doi:10.3762/bjoc.18.175
Figure 1: (a) Previously developed three-component approach to 1,5-disubstituted 1,2,3-triazoles; (b) double ...
Scheme 1: Results of a trial reaction between 1, o-azidobenzaldehyde (3a) and propargylamine.
Figure 2: Diversely bioactive compounds based on scaffolds A and B.
Scheme 2: Three-component reaction of 1, propargylamine and various o-azidobenzaldehydes.
Figure 3: Aromatic azido aldehydes 3j–l that failed to react with 1 and propargylamine.
Scheme 3: Variations of the amine component in the reactions with 1 and 3a.