Intramolecular monomer-on-monomer (MoM) Mitsunobu cyclization for the synthesis of benzofused thiadiazepine-dioxides
2011; Royal Society of Chemistry; Volume: 47; Issue: 46 Linguagem: Inglês
10.1039/c1cc14807a
ISSN1364-548X
AutoresPradip Maity, Quirin M. Kainz, Saqib Faisal, Alan Rolfe, Thiwanka B. Samarakoon, Fatima Z. Basha, Oliver Reiser, Paul R. Hanson,
Tópico(s)Catalytic Cross-Coupling Reactions
ResumoThe utilization of a monomer-on-monomer (MoM) intramolecular Mitsunobu cyclization reaction employing norbornenyl-tagged (Nb-tagged) reagents is reported for the synthesis of benzofused thiadiazepine-dioxides. Facile purification was achieved viaring-opening metathesis (ROM) polymerization initiated by one of three metathesis catalyst methods: (i) free metathesis catalyst, (ii) surface-initiated catalyst-armed silica, or (iii) surface-initiated catalyst-armed Co/C magnetic nanoparticles.
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