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Navuluri C, Su HY, Sullivan RJ, Lee T, Jones BP, Gorin B, McWilliams JC, Nelson JD, Alberico D, Desrosiers JN. General and Scalable Synthesis of 2-Aryl and 2-Alkyl Pyrimidines via an Electronically Tuned S NAr Approach. Org Lett 2024. [PMID: 38787438 DOI: 10.1021/acs.orglett.4c01217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
An efficient SNAr approach for generating a wide array of 2-aryl and 2-alkyl pyrimidines in good to high yields was developed. This methodology does not require precious metal catalysts and is compatible with aryl, heteroaryl, and alkyl magnesium halides as nucleophiles. This process is scalable and performed at room temperature well below the temperature of the competing decomposition of the activated 2-tert-butyl sulfonyl pyrimidine electrophile.
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Affiliation(s)
| | - Hsin Y Su
- Eurofins CDMO Alphora Inc., 2070 Hadwen Road, Mississauga, Ontario L5K 2C9, Canada
| | - Ryan J Sullivan
- Eurofins CDMO Alphora Inc., 2070 Hadwen Road, Mississauga, Ontario L5K 2C9, Canada
| | - Taegyo Lee
- Chemical Research & Development, Pfizer Worldwide Research & Development, Groton, Connecticut 06340, United States
| | - Brian P Jones
- Chemical Research & Development, Pfizer Worldwide Research & Development, Groton, Connecticut 06340, United States
| | - Boris Gorin
- Eurofins CDMO Alphora Inc., 2070 Hadwen Road, Mississauga, Ontario L5K 2C9, Canada
| | - J Christopher McWilliams
- Chemical Research & Development, Pfizer Worldwide Research & Development, Groton, Connecticut 06340, United States
| | - Jade D Nelson
- Chemical Research & Development, Pfizer Worldwide Research & Development, Groton, Connecticut 06340, United States
| | - Dino Alberico
- Eurofins CDMO Alphora Inc., 2070 Hadwen Road, Mississauga, Ontario L5K 2C9, Canada
| | - Jean-Nicolas Desrosiers
- Chemical Research & Development, Pfizer Worldwide Research & Development, Groton, Connecticut 06340, United States
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Hamze C, Brossier J, Karaghiosoff K, Godineau E, Knochel P. Selective and Stepwise Functionalization of the Pyridazine Scaffold by Using Thio-Substituted Pyridazine Building Blocks. Chemistry 2023; 29:e202302156. [PMID: 37534401 DOI: 10.1002/chem.202302156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/31/2023] [Accepted: 08/03/2023] [Indexed: 08/04/2023]
Abstract
We described a regioselective tri- and tetra-functionalization of the pyridazine scaffold using two readily available building blocks: 3-alkylthio-6-chloropyridazine and 3,4-bis(methylthio)-6-chloropyridazine by performing selective metalations with TMPMgCl ⋅ LiCl and catalyst-tuned cross-coupling reactions with arylzinc halides. Several of the resulting pyridazines were converted into more elaborated N-heterocycles such as thieno[2,3-c]pyridazines and 1H-pyrazolo[3,4-c]pyridazines.
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Affiliation(s)
- Clémence Hamze
- Department of Chemistry, Ludwig-Maximilians University, Butenandtstraße 5-13, Haus F, 81377, Munich, Germany
| | - Julie Brossier
- Department of Chemistry, Ludwig-Maximilians University, Butenandtstraße 5-13, Haus F, 81377, Munich, Germany
| | - Konstantin Karaghiosoff
- Department of Chemistry, Ludwig-Maximilians University, Butenandtstraße 5-13, Haus F, 81377, Munich, Germany
| | - Edouard Godineau
- Research & Development, Syngenta Crop Protection AG, Schaffhauserstrasse 101, 4332, Stein, Switzerland
| | - Paul Knochel
- Department of Chemistry, Ludwig-Maximilians University, Butenandtstraße 5-13, Haus F, 81377, Munich, Germany
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Augros D, Yalcouye B, Berthelot-Bréhier A, Chessé M, Choppin S, Panossian A, Leroux FR. Atropo-diastereoselective coupling of aryllithiums and arynes — variations around the chiral auxiliary. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.01.047] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Badsara SS, Chan CC, Lee CF. Transition-Metal-Free Syntheses of Pyridine-Containing Thioethers Through Two-Fold CS Bond Formation. ASIAN J ORG CHEM 2014. [DOI: 10.1002/ajoc.201402154] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Horkel E. Metalation of Pyridazine, Cinnoline, and Phthalazine. TOPICS IN HETEROCYCLIC CHEMISTRY 2013. [DOI: 10.1007/7081_2012_97] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Ryabtsova O, Verhelst T, Baeten M, Vande Velde CML, Maes BUW. Synthesis of Functionalized Pyridazin-3(2H)-ones via Bromine−Magnesium Exchange on Bromopyridazin-3(2H)-ones. J Org Chem 2009; 74:9440-5. [DOI: 10.1021/jo9020985] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Oxana Ryabtsova
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Tom Verhelst
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Mattijs Baeten
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Christophe M. L. Vande Velde
- Karel de Grote University College, Department of Applied Engineering, X-ray Crystallography Lab, Salesianenlaan 30, B-2660 Antwerp, Belgium
| | - Bert U. W. Maes
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
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Chevallier F, Mongin F. Functionalization of diazines and benzo derivatives through deprotonated intermediates. Chem Soc Rev 2008; 37:595-609. [DOI: 10.1039/b709416g] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Le Fur N, Mojovic L, Plé N, Turck A, Reboul V, Metzner P. ortho-Metalation of Enantiopure Aromatic Sulfoxides and Stereocontrolled Addition to Imines. J Org Chem 2006; 71:2609-16. [PMID: 16555811 DOI: 10.1021/jo052358p] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Enantiopure aromatic (phenyl, naphthyl) and heteroaromatic (pyridyl, quinolyl, diazinyl) sulfoxides have been synthesized by reaction of (S)-tert-butyl tert-butanethiosulfinate with aryl- or heteroaryllithium derivatives. The ortho-directed metalation of the sulfoxides was performed with lithium bases. Subsequent addition of the lithiated intermediates to N-tosylimines afforded tosylaminoalkyl tert-butylsulfinyl arenes. In most cases a complete asymmetric induction was highlighted in favor of (S,S) isomers. Heating the aminosulfoxides provided an original cyclization to form novel cyclic sulfenamides. A novel enantiopure synthesis of a benzylamine was described. An application of an enantiopure aminosulfoxide as N,S ligand for the asymmetric catalysis of allylic nucleophilic substitution has been successfully tested.
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Affiliation(s)
- Nicolas Le Fur
- Laboratoire de Chimie Organique Fine et Hétérocyclique, UMR CNRS 6014, IRCOF, INSA, B.P. 08, 76131 Mont Saint Aignan, France
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Mylari BL, Armento SJ, Beebe DA, Conn EL, Coutcher JB, Dina MS, O'Gorman MT, Linhares MC, Martin WH, Oates PJ, Tess DA, Withbroe GJ, Zembrowski WJ. A novel series of non-carboxylic acid, non-hydantoin inhibitors of aldose reductase with potent oral activity in diabetic rat models: 6-(5-chloro-3-methylbenzofuran-2-sulfonyl)-2H-pyridazin-3-one and congeners. J Med Chem 2005; 48:6326-39. [PMID: 16190759 DOI: 10.1021/jm050462t] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Discovery of a highly selective, potent, and safe non-carboxylic acid, non-hydantoin inhibitor of aldose reductase (AR) capable of potently blocking the excess glucose flux through the polyol pathway that prevails under diabetic conditions has been a long-standing challenge. In response, we did high-throughput screening of our internal libraries of compounds and identified 6-phenylsulfonylpyridazin-2H-3-one, 8, which showed modest inhibition of AR, both in vitro and in vivo. Initial structure-activity relationships concentrated on phenyl substituents and led to 6-(2,4-dichlorophenylsulfonyl)-2H-pyridazin-3-one, 8l, which was more potent than 8, both in vitro and in vivo. Incorporation of extant literature findings with other aldose reductase inhibitors, including zopolrestat, resulted in the title inhibitor, 19m, which is one of the most potent and highly selective non-carboxylic acid, non-hydantoin inhibitors of AR yet described (IC50, 1 nM; ED90 vs sciatic nerve sorbitol and fructose, respectively, 0.8 and 4.0 mg/kg). In rats, its oral bioavailability is 98% and it has a favorable plasma t(1/2) (26 +/- 3 h).
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Affiliation(s)
- Banavara L Mylari
- Pfizer Global Research and Development, Pfizer Inc., Groton, Connecticut 06340, USA.
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Le Fur N, Mojovic L, Turck A, Plé N, Quéguiner G, Reboul V, Perrio S, Metzner P. Syntheses of sulfoxide derivatives in the benzodiazine series. Diazines. Part 37. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.05.059] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Keshk EM. Benzofuranyl-pyran-2-ones, -pyridazines, and -pyridones from naturally occurring furochromones (visnagin and khellin). HETEROATOM CHEMISTRY 2004. [DOI: 10.1002/hc.10219] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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12
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Advances in the directed metallation of azines and diazines (pyridines, pyrimidines, pyrazines, pyridazines, quinolines, benzodiazines and carbolines). Part 2: Metallation of pyrimidines, pyrazines, pyridazines and benzodiazines. Tetrahedron 2001. [DOI: 10.1016/s0040-4020(01)00225-3] [Citation(s) in RCA: 169] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Behbehani H, Abdel-Khalik MM, Elnagdi MH. NEW SYNTHESES OF SUBSTITUTED PYRIDAZIN-6-ONES AND PYRIDAZIN-6-IMINES. ORG PREP PROCED INT 1999. [DOI: 10.1080/00304949909355339] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Chapter 6.2 Six-membered ring systems: Diazines and benzo derivatives. ACTA ACUST UNITED AC 1999. [DOI: 10.1016/s0959-6380(99)80016-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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16
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Quéguiner G, Fruit C, Turck A, Plé N. Metalation of Pyrazinethiocarboxamides. Metalation of Diazines XXVI. HETEROCYCLES 1999. [DOI: 10.3987/com-99-8625] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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17
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Kolar P, Tišler M. Recent Advances in the Chemistry of Pyridazines. ADVANCES IN HETEROCYCLIC CHEMISTRY 1999. [DOI: 10.1016/s0065-2725(08)60985-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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