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Okada T, Wu N, Takashima K, Ishimura J, Morita H, Ito T, Kodama T, Yamasaki Y, Akanuma SI, Kubo Y, Hosoya KI, Tsuneki H, Wada T, Sasaoka T, Shimizu T, Sakai H, Dwoskin LP, Hussaini SR, Saporito RA, Toyooka N. Total Synthesis of Decahydroquinoline Poison Frog Alkaloids ent- cis-195A and cis-211A. Molecules 2021; 26:molecules26247529. [PMID: 34946611 PMCID: PMC8706607 DOI: 10.3390/molecules26247529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/08/2021] [Accepted: 12/10/2021] [Indexed: 11/21/2022] Open
Abstract
The total synthesis of two decahydroquinoline poison frog alkaloids ent-cis-195A and cis-211A were achieved in 16 steps (38% overall yield) and 19 steps (31% overall yield), respectively, starting from known compound 1. Both alkaloids were synthesized from the common key intermediate 11 in a divergent fashion, and the absolute stereochemistry of natural cis-211A was determined to be 2R, 4aR, 5R, 6S, and 8aS. Interestingly, the absolute configuration of the parent decahydroquinoline nuclei of cis-211A was the mirror image of that of cis-195A, although both alkaloids were isolated from the same poison frog species, Oophaga (Dendrobates) pumilio, from Panama.
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Affiliation(s)
- Takuya Okada
- Graduate School of Innovative Life Science, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
- Correspondence: (T.O.); (N.T.); Tel.: +81-76-445-6859 (N.T.)
| | - Naizhen Wu
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Katsuki Takashima
- Graduate School of Science and Engineering, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan; (K.T.); (J.I.)
| | - Jungoh Ishimura
- Graduate School of Science and Engineering, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan; (K.T.); (J.I.)
| | - Hiroyuki Morita
- Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (H.M.); (T.I.); (T.K.)
| | - Takuya Ito
- Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (H.M.); (T.I.); (T.K.)
- Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan
| | - Takeshi Kodama
- Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (H.M.); (T.I.); (T.K.)
| | - Yuhei Yamasaki
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Shin-ichi Akanuma
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Yoshiyuki Kubo
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Ken-ichi Hosoya
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Hiroshi Tsuneki
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Tsutomu Wada
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Toshiyasu Sasaoka
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Takahiro Shimizu
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Hideki Sakai
- Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (N.W.); (Y.Y.); (S.-i.A.); (Y.K.); (K.-i.H.); (H.T.); (T.W.); (T.S.); (T.S.); (H.S.)
| | - Linda P. Dwoskin
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA;
| | - Syed R. Hussaini
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 S. Tucker Dr., Tulsa, OK 74104, USA;
| | - Ralph A. Saporito
- Department of Biology, John Carroll University, University Heights, OH 44118, USA;
| | - Naoki Toyooka
- Graduate School of Innovative Life Science, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
- Graduate School of Science and Engineering, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan; (K.T.); (J.I.)
- Correspondence: (T.O.); (N.T.); Tel.: +81-76-445-6859 (N.T.)
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Annadi K, Wee AGH. Stereoselective Syntheses of (+)-2-epi-Deoxoprosopinine, (−)-Deoxoprosophylline, (+)-cis-195A, and 2,5-Di-epi-cis-195A from a Common Chiral Nonracemic Building Block. J Org Chem 2015; 80:5236-51. [DOI: 10.1021/acs.joc.5b00621] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Krishna Annadi
- Department of Chemistry and
Biochemistry, University of Regina, Regina, Saskatchewan S4S 0A2, Canada
| | - Andrew G. H. Wee
- Department of Chemistry and
Biochemistry, University of Regina, Regina, Saskatchewan S4S 0A2, Canada
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Back TG, Nakajima K. Enantioselective Synthesis of (−)-Pumiliotoxin C from a Chiral Amino Ester and an Acetylenic Sulfone that Acts as an Alkene Dipole Equivalent. J Org Chem 1998. [DOI: 10.1021/jo980647q] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Thomas G. Back
- Department of Chemistry, University of Calgary, Calgary, Alberta, Canada T2N 1N4
| | - Katsumasa Nakajima
- Department of Chemistry, University of Calgary, Calgary, Alberta, Canada T2N 1N4
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