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Fuh MT, Tseng CC, Li SM, Tsai SE, Chuang TJ, Lu CH, Yang YC, Tsai HJ, Wong FF. Design, synthesis and biological evaluation of glycolamide, glycinamide, and β-amino carbonyl 1,2,4-triazole derivatives as DPP-4 inhibitors. Bioorg Chem 2021; 114:105049. [PMID: 34147879 DOI: 10.1016/j.bioorg.2021.105049] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/11/2021] [Accepted: 05/26/2021] [Indexed: 11/25/2022]
Abstract
Through modification of the skeleton of Sitagliptin and Vildagliptin, we successfully synthesized and built-up four series of 1,2,4-triazole derivatives, containing N,O-disubstituted glycolamide, N,N'-disubstituted glycinamide, β-amino ester, and β-amino amide as linkers, for the development of new dipeptidyl peptidase 4 (DPP-4) inhibitors. The synthetic strategy for glycolamides or glycinamides involved convenient two-steps reaction: functionalized transformation of 2-chloro-N-(2,4,5-triflurophenyl)acetamide 9 (hydroxylation or amination) and esterification or amidation of 1,2,4-triazole-3-carboxylic acid. On the other hand, the one-pot synthesis procedure, including substitution and deprotection, was developed for the preparation of β-amino carbonyl 1,2,4-triazoles from (1H-1,2,4-triazol-3-yl)methanol 12 or (1H-1,2,4-triazol-3-yl)methanamine 13 and Boc-(R)-3-amino-4-(2,4,5-trifluoro-phenyl)-butyric acid 14. All of glycolamides, glycinamides, and β-amino carbonyl 1,2,4-triazoles were also evaluated against DPP-4 inhibitory activity. Based on the SAR study of DPP-4 inhibitory capacity, β-amino ester 5n and β-amino amide 1,2,4-triazoles 6d and 6p possessed the significant inhibition of DPP-4 (IC50 < 51.0 nM), particularly for compound 6d (IC50 = 34.4 nM). The selectivity evaluation indicated compound 5n and 6p had excellent selectivity over QPP, DPP-8, and DPP-9. In addition, the docking results revealed compounds 5n and 6p provided stronger π-π stacking interaction with residue Phe357 than 1,5-disubstituted 1,2,4-triazole 6d and Sitagliptin 1. In summary, compounds 5n and 6p could be promising lead compounds for further development of DPP-4 inhibitor.
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Affiliation(s)
- Mao-Tsu Fuh
- Division of Metabolism, Department of Internal Medicine, China Medical University, Taichung 40402, Taiwan
| | - Ching-Chun Tseng
- School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan; Ph.D. Program for Biotech Pharmaceutical Industry, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan
| | - Sin-Min Li
- Institute of New Drug Development, China Medical University, No. 91 Hsueh-Shih Rd., Taichung 40402, Taiwan
| | - Shuo-En Tsai
- School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan; Ph.D. Program for Biotech Pharmaceutical Industry, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan
| | - Tsung-Jui Chuang
- Master Program for Pharmaceutical Manufacture, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan
| | - Chih-Hao Lu
- Graduate Institute of Basic Medical Science, China Medical University, Taichung 40402, Taiwan
| | - Ya-Chen Yang
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung 41354, Taiwan
| | - Henry J Tsai
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung 41354, Taiwan
| | - Fung Fuh Wong
- School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan.
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Chung CY, Tseng CC, Li SM, Tsai SE, Lin HY, Wong FF. Structural Identification between Phthalazine-1,4-Diones and N-Aminophthalimides via Vilsmeier Reaction: Nitrogen Cyclization and Tautomerization Study. Molecules 2021; 26:molecules26102907. [PMID: 34068439 PMCID: PMC8153572 DOI: 10.3390/molecules26102907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/10/2021] [Accepted: 05/10/2021] [Indexed: 11/29/2022] Open
Abstract
N-Aminophthalimides and phthalazine 1,4-diones were synthesized from isobenzofuran-1,3-dione, isoindoline-1,3-dione, furo [3,4-b] pyrazine-5,7-dione, or 1H-pyrrolo [3,4-c] pyridine-1,3-dione with monohydrate hydrazine to carry out the 5-exo or 6-endo nitrogen cyclization under the different reaction conditions. Based on the control experimental results, 6-endo thermodynamic hydrohydrazination and kinetical 5-exo cyclization reactions were individually selective formation. Subsequently, Vilsmeier amidination derivatization was successfully developed to probe the structural divergence between N-aminophthalimide 2 and phthalazine 1,4-dione 3. On the other hand, the best tautomerization of N-aminophthalimide to diazinone was also determined under acetic acid mediated solution.
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Affiliation(s)
- Cheng-Yen Chung
- School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan; (C.-Y.C.); (C.-C.T.); (S.-E.T.)
- The Ph.D. Program for Biotech Pharmaceutical Industry and School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan
| | - Ching-Chun Tseng
- School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan; (C.-Y.C.); (C.-C.T.); (S.-E.T.)
- The Ph.D. Program for Biotech Pharmaceutical Industry and School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan
| | - Sin-Min Li
- Institute of New Drug Development, China Medical University, No. 91 Hsueh-Shih Rd., Taichung 40402, Taiwan;
| | - Shuo-En Tsai
- School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan; (C.-Y.C.); (C.-C.T.); (S.-E.T.)
- The Ph.D. Program for Biotech Pharmaceutical Industry and School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan
| | - Hui-Yi Lin
- School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan; (C.-Y.C.); (C.-C.T.); (S.-E.T.)
- Correspondence: (H.-Y.L.); or (F.F.W.); Tel.: +886-422-053-366 (ext. 5112) (H.-Y.L.); +886-422-053-366 (ext. 5603) (F.F.W.); Fax: +886-422-078-083 (H.-Y.L. & F.F.W.)
| | - Fung Fuh Wong
- School of Pharmacy, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan; (C.-Y.C.); (C.-C.T.); (S.-E.T.)
- Correspondence: (H.-Y.L.); or (F.F.W.); Tel.: +886-422-053-366 (ext. 5112) (H.-Y.L.); +886-422-053-366 (ext. 5603) (F.F.W.); Fax: +886-422-078-083 (H.-Y.L. & F.F.W.)
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Tsai SE, Chiang KH, Tseng CC, Chen NW, Chern CY, Wong FF. Facile One-Pot Synthesis of Methyl 1-Aryl-1H
-1,2,4-triazole-3-carboxylates from Nitrilimines with Vilsmeier Reagent. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801808] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Shuo-En Tsai
- School of Pharmacy; China Medical University; No. 91, Hsueh-Shih Rd., Taichung 40402 Taiwan R.O.C
- The Ph.D. Program for Biotech Pharmaceutical Industry; China Medical University; No. 91 Hsueh-Shih Rd. 40402 Taichung Taiwan, R.O.C
| | - Kun-Heng Chiang
- School of Pharmacy; China Medical University; No. 91, Hsueh-Shih Rd., Taichung 40402 Taiwan R.O.C
| | - Ching-Chun Tseng
- School of Pharmacy; China Medical University; No. 91, Hsueh-Shih Rd., Taichung 40402 Taiwan R.O.C
- The Ph.D. Program for Biotech Pharmaceutical Industry; China Medical University; No. 91 Hsueh-Shih Rd. 40402 Taichung Taiwan, R.O.C
| | - Nai-Wei Chen
- Master Program for Pharmaceutical Manufacture; China Medical University; No. 91, Hsueh-Shih Rd. 40402 Taichung Taiwan
| | - Ching-Yuh Chern
- Department of Applied Chemistry; National Chia-Yi University; 60004 Chia-Yi Taiwan
| | - Fung Fuh Wong
- School of Pharmacy; China Medical University; No. 91, Hsueh-Shih Rd., Taichung 40402 Taiwan R.O.C
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Chiang KH, Lu SH, Yen WP, Uramaru N, Tseng WS, Chang TW, Wong FF. Effective Synthesis ofN-Arylformamide from α-Halo-N-arylacetamides. HETEROATOM CHEMISTRY 2016. [DOI: 10.1002/hc.21321] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kun-Heng Chiang
- School of Pharmacy; China Medical University; No. 91, Hsueh-Shih Rd. Taichung 40402 Taiwan
| | - Shi-Han Lu
- Graduate Institute of Pharmaceutical Chemistry; China Medical University; No. 91, Hsueh-Shih Rd. Taichung 40402 Taiwan
| | - Wan-Ping Yen
- School of Pharmacy; China Medical University; No. 91, Hsueh-Shih Rd. Taichung 40402 Taiwan
- Ph.D. Program for Biotech Pharmaceutical Industry; China Medical University; No. 91, Hsueh-Shih Rd. Taichung 40402 Taiwan
| | - Naoto Uramaru
- Department of Environmental Science; Nihon Pharmaceutical University; 10281 Komuro, Ina-machi, Kitaadachi-gun Saitama Japan
| | - Wei-Siou Tseng
- Master Program for Pharmaceutical Manufacture; China Medical University; No. 91, Hsueh-Shih Rd. Taichung 40402 Taiwan
| | - Te-Wei Chang
- Master Program for Pharmaceutical Manufacture; China Medical University; No. 91, Hsueh-Shih Rd. Taichung 40402 Taiwan
| | - Fung Fuh Wong
- School of Pharmacy; China Medical University; No. 91, Hsueh-Shih Rd. Taichung 40402 Taiwan
- Graduate Institute of Pharmaceutical Chemistry; China Medical University; No. 91, Hsueh-Shih Rd. Taichung 40402 Taiwan
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