66513-28-8Relevant articles and documents
Total Synthesis of Ionophore Antibiotic X-14547A (Indanomycin)
Burke, Steven D.,Piscopio, Anthony D.,Kort, Michael E.,Matulenko, Mark A.,Parker, Marshall H.,et al.
, p. 332 - 347 (2007/10/02)
A convergent, enantioselective total synthesis of ionophore antibiotic X-14547A (indanomycin, 1) is described.The dioxanone-to-dihydropyran variant of the lactonic Ireland-Claisen rearrangement establishes the hydropyran nucleus of the "left wing" fragment 2.Elaboration to the target synthon utilizes a new methodology for the preparation of stereodefined vinylsilanes (24 -> 25 -> 26) via net SN2' coupling of silanes with Grignard reagents catalyzed by CuCN.Salient features in the construction of the "right wing" subunit 3 include a modification of the Noyori three-component coupling procedure (32 -> 33) and the application of a retro hetero Diels-Alder/intramolecular Diels-Alder ("mock Claisen") process (5 -> 39).Palladium-mediated cross coupling of "left wing" and "right wing" synthons using Stille's method tolerates a free carboxylic acid and an unprotected acyl pyrrole, affording indanomycin directly in its natural absolute configuration.
Total synthesis of the ionophore antibiotic X-14547A (Indanomycin)
Edwards,Ley,Lister,et al.
, p. 3503 - 3516 (2007/10/02)
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Total synthesis of ionophore antibiotic X-14547A. II. Coupling of the tetrahydropyran and tetrahydroindan systems and construction of the butadienyl and ketopyrrole moieties
Nicolaou,Claremon,Papahatjis,Magolda
, p. 6969 - 6971 (2007/10/02)
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