Alnasleh BK, Rubina M, Rubin M. Templated assembly of medium cyclic ethers via exo-trig nucleophilic cyclization of cyclopropenes.
Chem Commun (Camb) 2016;
52:7494-6. [PMID:
27210442 DOI:
10.1039/c6cc02178f]
[Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A novel method for the assembly of medium heterocycles via an intramolecular nucleophilic addition to cyclopropenes is described. The exo-trig nucleophilic cyclizations were shown to proceed very efficiently and in a highly diastereoselective fashion affording cis-fused bicyclic products possessing 7 to 10-membered medium rings; starting from a diastereomeric mixtures of bromocyclopropanes.
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