1
|
Li C, Wang J, Barton LM, Yu S, Tian M, Peters DS, Kumar M, Yu AW, Johnson KA, Chatterjee AK, Yan M, Baran PS. Decarboxylative borylation. Science 2017; 356:eaam7355. [PMID: 28408721 PMCID: PMC5807063 DOI: 10.1126/science.aam7355] [Citation(s) in RCA: 278] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 03/23/2017] [Indexed: 12/31/2022]
Abstract
The widespread use of alkyl boronic acids and esters is frequently hampered by the challenges associated with their preparation. We describe a simple and practical method to rapidly access densely functionalized alkyl boronate esters from abundant carboxylic substituents. This broad-scope nickel-catalyzed reaction uses the same activating principle as amide bond formation to replace a carboxylic acid moiety with a boronate ester. Application to peptides allowed expedient preparations of α-amino boronic acids, often with high stereoselectivity, thereby facilitating synthesis of the alkyl boronic acid drugs Velcade and Ninlaro as well as a boronic acid version of the iconic antibiotic vancomycin. The reaction also enabled the discovery and extensive biological characterization of potent human neutrophil elastase inhibitors, which offer reversible covalent binding properties.
Collapse
Affiliation(s)
- Chao Li
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Jie Wang
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Lisa M Barton
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Shan Yu
- Calibr, 11119 North Torrey Pines Road, Suite 100, San Diego, CA 92037, USA
| | - Maoqun Tian
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - David S Peters
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Manoj Kumar
- Calibr, 11119 North Torrey Pines Road, Suite 100, San Diego, CA 92037, USA
| | - Antony W Yu
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Kristen A Johnson
- Calibr, 11119 North Torrey Pines Road, Suite 100, San Diego, CA 92037, USA
| | - Arnab K Chatterjee
- Calibr, 11119 North Torrey Pines Road, Suite 100, San Diego, CA 92037, USA
| | - Ming Yan
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Phil S Baran
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA.
| |
Collapse
|
2
|
Piroxicam sulfonates biology-oriented drug synthesis (BIODS), characterization and anti-nociceptive screening. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1571-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
|
3
|
Nenajdenko VG, Muzalevskiy VM, Shastin AV. Polyfluorinated ethanes as versatile fluorinated C2-building blocks for organic synthesis. Chem Rev 2015; 115:973-1050. [PMID: 25594605 DOI: 10.1021/cr500465n] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Valentine G Nenajdenko
- Department of Chemistry, Moscow State University , Leninskie Gory, Moscow 119992, Russia
| | | | | |
Collapse
|
4
|
Sydnes MO, Hayashi Y, Sharma VK, Hamada T, Bacha U, Barrila J, Freire E, Kiso Y. Synthesis of glutamic acid and glutamine peptides possessing a trifluoromethyl ketone group as SARS-CoV 3CL protease inhibitors. Tetrahedron 2006; 62:8601-8609. [PMID: 32287416 PMCID: PMC7111793 DOI: 10.1016/j.tet.2006.06.052] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2006] [Revised: 06/13/2006] [Accepted: 06/14/2006] [Indexed: 12/21/2022]
Abstract
Trifluoromethyl-β-amino alcohol 11 [(4S)-tert-butyl 4-amino-6,6,6-trifluoro-5-hydroxyhexanoate] was synthesized in five steps starting from Cbz-l-Glu-OH 5 where the key step involved the introduction of the trifluoromethyl (CF3) group to oxazolidinone 7, resulting in the formation of silyl ether 8 [(4S,5S)-benzyl 4-(2-(tert-butoxycarbonyl)ethyl)-5-(trifluoromethyl)-5-(trimethylsilyloxy)oxazolidine-3-carboxylate]. Compound 11 was then converted into four tri- and tetra-glutamic acid and glutamine peptides (1-4) possessing a CF3-ketone group that exhibited inhibitory activity against severe acute respiratory syndrome coronavirus protease (SARS-CoV 3CLpro).
Collapse
Affiliation(s)
- Magne O Sydnes
- Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science, 21st Century COE Program, Kyoto Pharmaceutical University, Kyoto 607-8412, Japan
| | - Yoshio Hayashi
- Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science, 21st Century COE Program, Kyoto Pharmaceutical University, Kyoto 607-8412, Japan
| | - Vinay K Sharma
- Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science, 21st Century COE Program, Kyoto Pharmaceutical University, Kyoto 607-8412, Japan
| | - Takashi Hamada
- Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science, 21st Century COE Program, Kyoto Pharmaceutical University, Kyoto 607-8412, Japan
| | - Usman Bacha
- Department of Biology, Johns Hopkins University, Baltimore, MD, USA
| | - Jennifer Barrila
- Department of Biology, Johns Hopkins University, Baltimore, MD, USA
| | - Ernesto Freire
- Department of Biology, Johns Hopkins University, Baltimore, MD, USA
| | - Yoshiaki Kiso
- Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science, 21st Century COE Program, Kyoto Pharmaceutical University, Kyoto 607-8412, Japan
| |
Collapse
|
5
|
Leung D, Abbenante G, Fairlie DP. Protease inhibitors: current status and future prospects. J Med Chem 2000; 43:305-41. [PMID: 10669559 DOI: 10.1021/jm990412m] [Citation(s) in RCA: 667] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- D Leung
- Centre for Drug Design and Development, University of Queensland, Brisbane, Queensland 4072, Australia
| | | | | |
Collapse
|
6
|
Macchia B, Gentili D, Macchia M, Mamone F, Martinelli A, Orlandini E, Rossello A, Cercignani G, Pierotti R, Allegretti M, Asti C, Caselli G. Synthesis, inhibitory activity towards human leukocyte elastase and molecular modelling studies of 1-carbamoyl-4-methyleneaminoxyazetidinones. Eur J Med Chem 2000; 35:53-67. [PMID: 10733603 DOI: 10.1016/s0223-5234(00)00111-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Some monocyclic beta-lactam derivatives of type 3 (MAOAs) in which the leaving group (LG) on the C(4) is a methyleneaminoxy moiety, were synthesised and tested in vitro and in vivo for their inhibitory activity towards human leukocyte elastase (HLE). Some compounds showed an appreciable in vitro inhibitory activity against this enzyme. Effects on the anti-HLE activity due to the nature of the substituents R and R(1) present on their LG were observed and rationalised by means of molecular modelling techniques. The results of in vivo pharmacological tests indicated that MAOAs, while showing an inhibitory activity on the haemorrhage induced by HLE, did not exhibit any effects due to the R and R(1) substituents.
Collapse
Affiliation(s)
- B Macchia
- Dipartimento di Scienze Farmaceutiche, Facoltà di Farmacia, Università degli Studi di Pisa, Via Bonanno, 6, 56100, Pisa, Italy
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
7
|
Cregge RJ, Durham SL, Farr RA, Gallion SL, Hare CM, Hoffman RV, Janusz MJ, Kim HO, Koehl JR, Mehdi S, Metz WA, Peet NP, Pelton JT, Schreuder HA, Sunder S, Tardif C. Inhibition of human neutrophil elastase. 4. Design, synthesis, X-ray crystallographic analysis, and structure-activity relationships for a series of P2-modified, orally active peptidyl pentafluoroethyl ketones. J Med Chem 1998; 41:2461-80. [PMID: 9651152 DOI: 10.1021/jm970812e] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A series of P2-modified, orally active peptidic inhibitors of human neutrophil elastase (HNE) are reported. These pentafluoroethyl ketone-based inhibitors were designed using pentafluoroethyl ketone 1 as a model. Rational structural modifications were made at the P3, P2, and activating group (AG) portions of 1 based on structure-activity relationships (SAR) developed from in vitro (measured Ki) data and information provided by modeling studies that docked inhibitor 1 into the active site of HNE. The modeling-based design was corroborated with X-ray crystallographic analysis of the complex between 1 and porcine pancreatic elastase (PPE) and subsequently the complex between 1 and HNE.
Collapse
Affiliation(s)
- R J Cregge
- Hoechst Marion Roussel Inc., 2110 East Galbraith Road, Cincinnati, Ohio 45215, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
8
|
|
9
|
Burkhart JP, Mehdi S, Koehl JR, Angelastro MR, Bey P, Peet NP. Preparation of alpha-keto ester enol acetates as potential prodrugs of human neutrophil elastase inhibitors. Bioorg Med Chem Lett 1998; 8:63-4. [PMID: 9871629 DOI: 10.1016/s0960-894x(97)10184-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Enol acetates of a-keto esters with E configuration were prepared as potential prodrugs for human neutrophil elastase (HNE) inhibitors.
Collapse
Affiliation(s)
- J P Burkhart
- Hoechst Marion Roussel, Cincinnati, Ohio 45215, USA
| | | | | | | | | | | |
Collapse
|
10
|
Ogilvie W, Bailey M, Poupart MA, Abraham A, Bhavsar A, Bonneau P, Bordeleau J, Bousquet Y, Chabot C, Duceppe JS, Fazal G, Goulet S, Grand-Maître C, Guse I, Halmos T, Lavallée P, Leach M, Malenfant E, O'Meara J, Plante R, Plouffe C, Poirier M, Soucy F, Yoakim C, Déziel R. Peptidomimetic inhibitors of the human cytomegalovirus protease. J Med Chem 1997; 40:4113-35. [PMID: 9406601 DOI: 10.1021/jm970104t] [Citation(s) in RCA: 75] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The development of peptidomimetic inhibitors of the human cytomegalovirus (HCMV) protease showing sub-micromolar potency in an enzymatic assay is described. Selective substitution of the amino acid residues of these inhibitors led to the identification of tripeptide inhibitors showing improvements in inhibitor potency of 27-fold relative to inhibitor 39 based upon the natural tetrapeptide sequence. Small side chains at P1 were well tolerated by this enzyme, a fact consistent with previous observations. The S2 binding pocket of HCMV protease was very permissive, tolerating lipophilic and basic residues. The substitutions tried at P3 indicated that a small increase in inhibitor potency could be realized by the substitution of a tert-leucine residue for valine. Substitutions of the N-terminal capping group did not significantly affect inhibitor potency. Pentafluoroethyl ketones, alpha,alpha-difluoro-beta-keto amides, phosphonates and alpha-keto amides were all effective substitutions for the activated carbonyl component and gave inhibitors which were selective for HCMV protease. A slight increase in potency was observed by lengthening the P1' residue of the alpha-keto amide series of inhibitors. This position also tolerated a variety of groups making this a potential site for future modifications which could modulate the physicochemical properties of these molecules.
Collapse
Affiliation(s)
- W Ogilvie
- Bio-Méga Research Division, Boehringer Ingelheim Ltd., Laval, Québec, Canada
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
11
|
Edwards PD, Andisik DW, Bryant CA, Ewing B, Gomes B, Lewis JJ, Rakiewicz D, Steelman G, Strimpler A, Trainor DA, Tuthill PA, Mauger RC, Veale CA, Wildonger RA, Williams JC, Wolanin DJ, Zottola M. Discovery and biological activity of orally active peptidyl trifluoromethyl ketone inhibitors of human neutrophil elastase. J Med Chem 1997; 40:1876-85. [PMID: 9191965 DOI: 10.1021/jm960819g] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Previously we had shown that tripeptidyl trifluoromethyl ketones (TFMKs) possessing an N-terminal diarylacylsulfonamide, such as ICI 200,880 and ICI 200,355, displayed unparalleled protection against the lung damage induced by human neutrophil elastase (HNE) when the inhibitors were administered intratracheally. Since the diarylacylsulfonamides were designed specifically to afford a long residence time in the lung, it was not unexpected that inhibitors from this class of TFMKs were not active when administered orally. Upon evaluating a large number of peptidyl TFMKs possessing a variety of N-terminal groups, several compounds were identified which demonstrated oral activity. Compounds were evaluated for their oral activity by measuring their ability to inhibit the increase in lung weight relative to body weight (Lw/Bw), the increase in red blood cells, and the increase in white blood cells induced by intratracheally administered HNE (100 micrograms/hamster). A number of tripeptidyl trifluoromethyl ketones containing neutral N-terminal groups displayed good oral activity, while those containing basic, acidic, or polar groups did not. Compound 50, possessing an N-terminal 4-(CH3O)C6H4CO group, was particularly effective, reducing Lw/Bw by 77%, red cells by 89%, and white cells by 91% when dosed at 37.5 mg/kg orally. Thus, by modifying the N-terminal group of tripeptidyl TFMKs, inhibitors can be designed which are effective in vivo when administered either orally or intratracheally.
Collapse
Affiliation(s)
- P D Edwards
- Department of Medicinal Chemistry, ZENECA Pharmaceuticals, A Business Unit of ZENECA Inc., Wilmington, Delaware 19850-5437, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
12
|
Huber EW, Kane JM, Dalton CR. H-19F NOE difference spectroscopy as a tool for structural assignment of positional isomers in fluorine-substituted analogues of FPL 64176. J Fluor Chem 1997. [DOI: 10.1016/s0022-1139(96)03531-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
13
|
|
14
|
Edwards PD, Andisik DW, Strimpler AM, Gomes B, Tuthill PA. Nonpeptidic inhibitors of human neutrophil elastase. 7. Design, synthesis, and in vitro activity of a series of pyridopyrimidine trifluoromethyl ketones. J Med Chem 1996; 39:1112-24. [PMID: 8676347 DOI: 10.1021/jm950684z] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Using molecular modeling and the information derived from X-ray crystal structures of human neutrophil elastase (HNE) and porcine pancreatic elastase (PPE) complexed to peptidic ligands, we have developed a new series of nonpeptidic inhibitors of HNE, the pyridopyrimidine trifluoromethyl ketones (TFMKs). These bicyclic inhibitors were designed to extend the concept of the related pyridone trifluoromethyl ketones by incorporating a rigidly positioned carbonyl group to participate in a hydrogen bonding interaction with the backbone NH groups of Gly-218 and Gly-219 of the enzyme. In addition, the pyrimidine ring serves as a scaffold to vector substituents toward the S5-S4 subsites of the enzyme's extended binding pocket. Furthermore, the heteroatoms of the pyrimidine ring generally increase the aqueous solubility of the pyridopyrimidines relative to pyridone TFMKs. Pyridopyrimidine TFMKs containing a 6-phenyl substituent afforded potent inhibitors of elastase, and several inhibitors from this class of compounds possessed aqueous solubilities of > 0.1 mg/mL and Ki values of < or = 10 nM.
Collapse
Affiliation(s)
- P D Edwards
- Department of Medicinal Chemistry, ZENECA Pharmaceuticals, Wilmington, Delaware 19850-5437, USA
| | | | | | | | | |
Collapse
|