Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10594888 | Bioorganic & Medicinal Chemistry Letters | 2014 | 6 Pages |
Abstract
As part of an effort to identify agonists of TRPV1, a peripheral sensory nerve ion channel, high throughput screening of the NIH Small Molecule Repository (SMR) collection identified MLS002174161, a pentacyclic benzodiazepine. A synthesis effort was initiated that ultimately afforded racemic seco analogs 12 of the SMR compound via a silver mediated intramolecular [3+2] cycloaddition of an azo-methine ylide generated from α-iminoamides 11. The cycloaddition set four contiguous stereocenters and, in some cases, also spontaneously afforded imides 13 from 12. The synthesis of compounds 12, the features that facilitated the conversion of 12-13, and their partial agonist activity against TRPV1 are discussed.
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Authors
Thomas O. Painter, Krisztian Kaszas, Jacklyn Gross, Justin T. Douglas, Victor W. Day, Michael J. Iadarola, Conrad Santini,