Intramolecular monomer-on-monomer (MoM) Mitsunobu cyclization for the synthesis of benzofused thiadiazepine-dioxides |
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| Authors: | Maity Pradip K Kainz Quirin M Faisal Saqib Rolfe Alan Samarakoon Thiwanka B Basha Fatima Z Reiser Oliver Hanson Paul R |
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| Institution: | Department of Chemistry, University of Kansas, Lawrence, KS 66045, USA. |
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| Abstract: | The 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 via ring-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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