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Arylboration of Enecarbamates for the Synthesis of Borylated Saturated N-Heterocycles
Grace L. Trammel ; Prashansa B. Kannangara ; Dmytro Vasko , et al. Angew. Chem. Int. Ed.,2022,61,e20221211. DOI: 10.1002/anie.202212117 PubMed ID: 36250954
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Abstract: Two catalytic systems have been developed for the arylboration of endocyclic enecarbamates to deliver synthetically versatile borylated saturated Nheterocycles in good regio- and diastereoselectivities. A Cu/Pd dual catalytic reaction enables the synthesis of borylated, α-arylated azetidines, while a Ni-catalysed arylboration reaction efficiently functionalizes 5-, 6-, and 7-membered enecarbamates. In the case of the Cu/Pdsystem, a remarkable additive effect was identified that allowed for broader scope. The products are synthetically useful, as demonstrated by manipulations of the boronic ester to access biologically active compounds.
Keywords: Alkene ; Arylation ; Boron ; Cross Coupling ; Heterocycle
Purchased from AmBeed: 100367-39-3 ; 66899-02-3 ; 3964-04-3 ; 108963-96-8
CAS No. : | 108963-96-8 | MDL No. : | MFCD06809720 |
Formula : | C11H17NO5 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | FNTAOUUEQHKLIU-ZETCQYMHSA-N |
M.W : | 243.26 | Pubchem ID : | 10868485 |
Synonyms : |
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Chemical Name : | 1-(tert-Butyl) 2-methyl (S)-5-oxopyrrolidine-1,2-dicarboxylate |
Signal Word: | Warning | Class: | |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H317-H319 | Packing Group: | |
GHS Pictogram: |
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