Published November 6, 2002
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Journal Article
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The First Total Synthesis of Dragmacidin D
Chicago
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Abstract
The first total synthesis of the biologically significant bis-indole alkaloid dragmacidin D (5) has been achieved. Thermal and electronic modulation provides the key for a series of palladium-catalyzed Suzuki cross-coupling reactions that furnished the core structure of the complex guanidine- and aminoimidazole-containing dragmacidins. Following this crucial sequence, a succession of meticulously controlled final events was developed leading to the completion of the natural product.
Additional Information
© 2002 American Chemical Society. Received 23 July 2002. Published online 5 October 2002. Published in print 1 November 2002. The authors are grateful to the California Institute of Technology, the Camille and Henry Dreyfus Foundation (New Faculty Award to B.M.S.), Merck Research Laboratories, NIH-NIGMS (R01 GM65961-01), DOD (NDSEG graduate fellowship to N.K.G.), and Pfizer·UNCF (postdoctoral fellowship to R.S.) for generous financial support. The Dervan and MacMillan labs are acknowledged for helpful discussions and the generous use of instrumentation. Michael Marques, Wei Zhang, and Yen Nguyen are acknowledged for experimental assistance. We thank John Greaves (University of California, Irvine) for obtaining high-resolution mass spectra and Scott Ross of the Beckman Institute (Caltech) for assistance in obtaining NMR spectra. We gratefully acknowledge Dr. Amy E. Wright of the Harbor Branch Oceanographic Institute (North Fort Pierce, Florida) and Professor Robert J. Capon of the University of Melbourne (Parkville, Victoria, Australia) for kindly providing samples and spectra of natural dragmacidin D.Attached Files
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Supplemental Material - ja027822b_s1.pdf
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Additional details
- Eprint ID
- 74334
- DOI
- 10.1021/ja027822b
- Resolver ID
- CaltechAUTHORS:20170215-142231422
- Caltech
- Camille and Henry Dreyfus Foundation
- Merck Research Laboratories
- NIH
- R01GM65961-01
- National Defense Science and Engineering Graduate (NDSEG) Fellowship
- Pfizer-UNCF
- Created
-
2017-02-15Created from EPrint's datestamp field
- Updated
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2021-11-11Created from EPrint's last_modified field