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Subbaiah MAM, Rautio J, Meanwell NA. Prodrugs as empowering tools in drug discovery and development: recent strategic applications of drug delivery solutions to mitigate challenges associated with lead compounds and drug candidates. Chem Soc Rev 2024; 53:2099-2210. [PMID: 38226865 DOI: 10.1039/d2cs00957a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
The delivery of a drug to a specific organ or tissue at an efficacious concentration is the pharmacokinetic (PK) hallmark of promoting effective pharmacological action at a target site with an acceptable safety profile. Sub-optimal pharmaceutical or ADME profiles of drug candidates, which can often be a function of inherently poor physicochemical properties, pose significant challenges to drug discovery and development teams and may contribute to high compound attrition rates. Medicinal chemists have exploited prodrugs as an informed strategy to productively enhance the profiles of new chemical entities by optimizing the physicochemical, biopharmaceutical, and pharmacokinetic properties as well as selectively delivering a molecule to the site of action as a means of addressing a range of limitations. While discovery scientists have traditionally employed prodrugs to improve solubility and membrane permeability, the growing sophistication of prodrug technologies has enabled a significant expansion of their scope and applications as an empowering tool to mitigate a broad range of drug delivery challenges. Prodrugs have emerged as successful solutions to resolve non-linear exposure, inadequate exposure to support toxicological studies, pH-dependent absorption, high pill burden, formulation challenges, lack of feasibility of developing solid and liquid dosage forms, first-pass metabolism, high dosing frequency translating to reduced patient compliance and poor site-specific drug delivery. During the period 2012-2022, the US Food and Drug Administration (FDA) approved 50 prodrugs, which amounts to 13% of approved small molecule drugs, reflecting both the importance and success of implementing prodrug approaches in the pursuit of developing safe and effective drugs to address unmet medical needs.
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Affiliation(s)
- Murugaiah A M Subbaiah
- Department of Medicinal Chemistry, Biocon Bristol Myers Squibb R&D Centre, Biocon Park, Bommasandra Phase IV, Bangalore, PIN 560099, India.
| | - Jarkko Rautio
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Nicholas A Meanwell
- The Baruch S. Blumberg Institute, Doylestown, PA 18902, USA
- Department of Medicinal Chemistry, The College of Pharmacy, The University of Michigan, Ann Arbor, MI 48109, USA
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Zhang L, Cheng Y, Liu YG, Chen X, Liu H. Anticancer Effect of Chlorambucil Enhanced by Chiral Phthalidyl Promoiety. Chem Biodivers 2023; 20:e202201025. [PMID: 36427041 DOI: 10.1002/cbdv.202201025] [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: 10/27/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
Phthalidyl promoiety has been used in several drugs, but they were all marketed in racemic form. The pharmaceutical effects of each enantiomer have not been clearly demonstrated. In this project, an anticancer chemotherapy drug, chlorambucil, was modified as enantiopure phthalidyl prodrugs. The enantiomers, together with phthalidyl unit and their racemic mixture, were then subject to the in vivo bioactivity tests against B16F10 melanoma cells. It was found that proper chirality within the promoiety had noticeably better in vivo pharmacological effects than the parent drug, the enantiomer and racemic mixture. This merit perhaps could be extended from the phthalidyl prodrugs to other chirality containing prodrugs.
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Affiliation(s)
- Long Zhang
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, P. R. China
| | - Yisa Cheng
- First Affiliated Hospital of Zhengzhou University, and Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Ying-Guo Liu
- First Affiliated Hospital of Zhengzhou University, and Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Xingkuan Chen
- Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Department of Chemistry, Jinan University, Guangzhou, Guangdong, 510632, P. R. China
| | - Hongmei Liu
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, P. R. China
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A M Subbaiah M, Subramani L, Ramar T, Desai S, Sinha S, Mandlekar S, Kadow JF, Jenkins S, Krystal M, Subramanian M, Sridhar S, Padmanabhan S, Bhutani P, Arla R, Meanwell NA. Improving Drug Delivery While Tailoring Prodrug Activation to Modulate Cmax and Cmin by Optimization of (Carbonyl)oxyalkyl Linker-Based Prodrugs of Atazanavir. J Med Chem 2022; 65:11150-11176. [PMID: 35952307 DOI: 10.1021/acs.jmedchem.2c00632] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Structure-property relationships associated with a series of (carbonyl)oxyalkyl amino acid ester prodrugs of the marketed HIV-1 protease inhibitor atazanavir (1), designed to enhance the systemic drug delivery, were examined. Compared to previously reported prodrugs, optimized candidates delivered significantly enhanced plasma exposure and trough concentration (Cmin at 24 h) of 1 in rats while revealing differentiated PK paradigms based on the kinetics of prodrug activation and drug release. Prodrugs incorporating primary amine-containing amino acid promoieties offered the benefit of rapid bioactivation that translated into low circulating levels of the prodrug while delivering a high Cmax value of 1. Interestingly, the kinetic profile of prodrug cleavage could be tailored for slower activation by structural modification of the amino terminus to either a tertiary amine or a dipeptide motif, which conferred a circulating depot of the prodrug that orchestrated a sustained release of 1 along with substantially reduced Cmax and a further enhanced Cmin.
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Affiliation(s)
- Murugaiah A M Subbaiah
- Department of Medicinal Chemistry (Prodrug Group), Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Lakshumanan Subramani
- Department of Medicinal Chemistry (Prodrug Group), Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Thangeswaran Ramar
- Department of Medicinal Chemistry (Prodrug Group), Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Salil Desai
- Department of Biopharmaceutics, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Sarmistha Sinha
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Sandhya Mandlekar
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - John F Kadow
- Department of Small Molecule Drug Discovery, Bristol Myers Squibb Research and Early Development, P.O. Box 4000, Princeton, New Jersey 08543-4000, United States
| | - Susan Jenkins
- Department of Pharmaceutical Candidate Optimization, Bristol Myers Squibb Research and Early Development, P.O. Box 4000, Princeton, New Jersey 08543-4000, United States
| | - Mark Krystal
- Department of Virology, Bristol Myers Squibb Research and Early Development, P.O. Box 4000, Princeton, New Jersey 08543-4000, United States
| | - Murali Subramanian
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Srikanth Sridhar
- Department of Biopharmaceutics, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Shweta Padmanabhan
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Priyadeep Bhutani
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Rambabu Arla
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore 560099, India
| | - Nicholas A Meanwell
- Department of Small Molecule Drug Discovery, Bristol Myers Squibb Research and Early Development, P.O. Box 4000, Princeton, New Jersey 08543-4000, United States
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Kawai K, Okada J, Nakae M, Tsujimura T, Karuo Y, Tarui A, Sato K, Yamashita S, Kataoka M, Omote M. Discovery of benzyloxyphenyl- and phenethylphenyl-imidazole derivatives as a new class of ante–drug type boosters. Bioorg Med Chem Lett 2022; 72:128868. [DOI: 10.1016/j.bmcl.2022.128868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/11/2022] [Accepted: 06/22/2022] [Indexed: 11/02/2022]
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Self-Assembled Disulfide Bond Bearing Paclitaxel-Camptothecin Prodrug Nanoparticle for Lung Cancer Therapy. Pharmaceutics 2020; 12:pharmaceutics12121169. [PMID: 33271864 PMCID: PMC7760941 DOI: 10.3390/pharmaceutics12121169] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 11/09/2020] [Accepted: 11/25/2020] [Indexed: 11/17/2022] Open
Abstract
Self-assembled prodrugs (SAPDs), which combine prodrug strategy and the merits of self-assembly, not only represent an appealing type of therapeutics, enabling the spontaneous organization of supramolecular nanocomposites with defined structures in aqueous environments, but also provide a new method to formulate existing drugs for more favorable outcomes. To increase drug loading and combination therapy, we covalently conjugated paclitaxel (PTX) and camptothecin (CPT) through a disulfide linker into a prodrug, designated PTX-S-S-CPT. The successful production of PTX-S-S-CPT prodrug was confirmed by nuclear magnetic resonance (NMR) and high-resolution mass spectrometry (HRMS). This prodrug spontaneously undergoes precipitation in aqueous surroundings. Taking advantage of a flow-focusing microfluidics platform, the prodrug nanoparticles (NPs) have good monodispersity, with good reproducibility and high yield. The as-prepared prodrug NPs were characterized with dynamic light scattering (DLS) and transmission electron microscopy (TEM), demonstrating spherical morphology of around 200 nm in size. In the end, the self-assembled NPs were added to mouse embryonic fibroblast (MEF), mouse lung adenocarcinoma and Lewis lung carcinoma (LLC) cell lines, and human non-small cell lung cancer cell line A549 to evaluate cell viability and toxicity. Due to the redox response with a disulfide bond, the PTX-S-S-CPT prodrug NPs significantly inhibited cancer cell growth, but had no obvious toxicity to healthy cells. This prodrug strategy is promising for co-delivery of PTX and CPT for lung cancer treatment, with reduced side effects on healthy cells.
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Subbaiah MAM, Ramar T, Subramani L, Desai SD, Sinha S, Mandlekar S, Jenkins SM, Krystal MR, Subramanian M, Sridhar S, Padmanabhan S, Bhutani P, Arla R, Kadow JF, Meanwell NA. (Carbonyl)oxyalkyl linker-based amino acid prodrugs of the HIV-1 protease inhibitor atazanavir that enhance oral bioavailability and plasma trough concentration. Eur J Med Chem 2020; 207:112749. [PMID: 33065417 DOI: 10.1016/j.ejmech.2020.112749] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/11/2020] [Accepted: 07/31/2020] [Indexed: 01/06/2023]
Abstract
We describe the design, synthesis and pharmacokinetic (PK) evaluation of a series of amino acid-based prodrugs of the HIV-1 protease inhibitor atazanavir (1) derivatized on the pharmacophoric secondary alcohol using a (carbonyl)oxyalkyl linker. Prodrugs of 1 incorporating simple (carbonyl)oxyalkyl-based linkers and a primary amine in the promoiety were found to exhibit low chemical stability. However, chemical stability was improved by modifying the primary amine moiety to a tertiary amine, resulting in a 2-fold enhancement of exposure in rats following oral dosing compared to dosing of the parent drug 1. Further refinement of the linker resulted in the discovery of 22 as a prodrug that delivered the parent 1 to rat plasma with a 5-fold higher AUC and 67-fold higher C24 when compared to oral administration of the parent drug. The PK profile of 22 indicated that plasma levels of this prodrug were higher than that of the parent, providing a more sustained release of 1 in vivo.
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Affiliation(s)
- Murugaiah A M Subbaiah
- Department of Medicinal Chemistry (Prodrug Group), Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India.
| | - Thangeswaran Ramar
- Department of Medicinal Chemistry (Prodrug Group), Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - Lakshumanan Subramani
- Department of Medicinal Chemistry (Prodrug Group), Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - Salil D Desai
- Department of Biopharmaceutics, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - Sarmistha Sinha
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - Sandhya Mandlekar
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - Susan M Jenkins
- Department of Pharmaceutical Candidate Optimization, Bristol Myers Squibb Research and Development, 5 Research Parkway, Wallingford, CT 06492, United States
| | - Mark R Krystal
- Department of Virology, Bristol Myers Squibb Research and Development, 5 Research Parkway, Wallingford, CT 06492, United States
| | - Murali Subramanian
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - Srikanth Sridhar
- Department of Biopharmaceutics, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - Shweta Padmanabhan
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - Priyadeep Bhutani
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - Rambabu Arla
- Department of Pharmaceutical Candidate Optimization, Biocon-Bristol Myers Squibb Research and Development Centre, Biocon Park, Bommasandra IV Phase, Jigani Link Road, Bangalore, 560099, India
| | - John F Kadow
- Department of Small Molecule Drug Discovery, Bristol Myers Squibb Research and Development, PO Box 4000, Princeton, NJ, 08543-4000, United States
| | - Nicholas A Meanwell
- Department of Small Molecule Drug Discovery, Bristol Myers Squibb Research and Development, PO Box 4000, Princeton, NJ, 08543-4000, United States
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Liu X, Song H, Zhai X, Tung CH, Wang W. Cobalt-catalyzed regioselective hydrohydrazination of epoxides. Org Biomol Chem 2020; 18:1572-1576. [PMID: 32039418 DOI: 10.1039/d0ob00037j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Using an air-stable cobalt catalyst [Cp*Co(1,2-Ph2PC6H4S)(NCMe)]BF4 (1, Cp* = Me5C5-), we have achieved catalytic regioselective hydrohydrazination of epoxides to 1,1-hydrazinoalcohols in an atom-economical manner. The catalysis involves a cobalt-hydrazine intermediate, in which the NH2 group of the hydrazine binds to the metal center, inhibiting its nucleophilic reactivity and allowing the NH group to participate in the regioselective hydrohydrazination.
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Affiliation(s)
- Xiangyu Liu
- Key Lab of Colloid and Interface Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China.
| | - Heng Song
- School of Environment and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China
| | - Xiaofang Zhai
- Key Lab of Colloid and Interface Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China.
| | - Chen-Ho Tung
- Key Lab of Colloid and Interface Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China.
| | - Wenguang Wang
- Key Lab of Colloid and Interface Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China.
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Banoub MG, Bade AN, Lin Z, Cobb D, Gautam N, Dyavar Shetty BL, Wojtkiewicz M, Alnouti Y, McMillan J, Gendelman HE, Edagwa B. Synthesis and Characterization of Long-Acting Darunavir Prodrugs. Mol Pharm 2019; 17:155-166. [PMID: 31742407 DOI: 10.1021/acs.molpharmaceut.9b00871] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Antiretroviral therapy (ART) has improved the quality of life in patients infected with HIV-1. However, complete viral suppression within anatomical compartments remains unattainable. This is complicated by adverse side effects and poor adherence to lifelong therapy leading to the emergence of viral drug resistance. Thus, there is an immediate need for cellular and tissue-targeted long-acting (LA) ART formulations. Herein, we describe two LA prodrug formulations of darunavir (DRV), a potent antiretroviral protease inhibitor. Two classes of DRV prodrugs, M1DRV and M2DRV, were synthesized as lipophilic and hydrophobic prodrugs and stabilized into aqueous suspensions designated NM1DRV and NM2DRV. The formulations demonstrated enhanced intracellular prodrug levels with sustained drug retention and antiretroviral activities for 15 and 30 days compared to native DRV formulation in human monocyte-derived macrophages. Pharmacokinetics tests of NM1DRV and NM2DRV administered to mice demonstrated sustained drug levels in blood and tissues for 30 days. These data, taken together, support the idea that LA DRV with sustained antiretroviral responses through prodrug nanoformulations is achievable.
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Toma M, Božičević L, Lapić J, Djaković S, Šakić D, Tandarić T, Vianello R, Vrček V. Transacylation in Ferrocenoyl-Purines. NMR and Computational Study of the Isomerization Mechanism. J Org Chem 2019; 84:12471-12480. [PMID: 31479271 DOI: 10.1021/acs.joc.9b01944] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In the reaction of purines with ferrocenoyl chloride in dimethylformamide (DMF), a regioselective acylation occurred. The two products have been isolated and, according to detailed NMR analysis, identified as N7- and N9-ferrocenoylated isomers. In a more polar solvent, for example, in dimethylsulfoxide (DMSO), the two isomers interconvert to each other. The N7/N9 isomerization was followed by 1H NMR spectroscopy, until dynamic equilibrium was reached. Both kinetics and thermodynamics of the transacylation process are governed by a C6-substituent on the purine ring (R = NH2, Me, NHBz, OBz). The observed rate constant for the N7/N9-isomerization in the adenine system (R = NH2) is kobs = 0.3668 h-1, whereas the corresponding process in the C6-benzyloxypurine is 56 times slower. By use of density functional theory calculations and molecular dynamics simulations, several reaction pathways were considered and explored. Only the reaction mechanism involving DMSO as a nucleophilic reactant is in harmony with the experimental kinetic data. The calculated barrier (ΔG⧧ = 107.9 kJ/mol; at the M06L/6-311+G(d,p)/SDD level of theory) for this SN2-like reaction in the adenine system agrees well with the experimental value of 102.7 kJ/mol. No isomerization was detected in other organic solvents, for example, acetonitrile, N,N-dimethylformamide, or acetone, which indicated the exceptional nucleophilicity of DMSO. Our results raise a warning when treating or dissolving acylated purines in DMSO as they are prone to isomerization. We observed that the N7/N9-group transfer was specific not only for the organometallic moiety only, but for other acyl groups in purines as well. The relevance of this isomerization may be expected for a series of nucleobases and heterocyclic systems in general.
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Affiliation(s)
- Mateja Toma
- Faculty of Pharmacy and Biochemistry , University of Zagreb , Ante Kovačića 1 , 10000 Zagreb , Croatia
| | - Lucija Božičević
- Faculty of Pharmacy and Biochemistry , University of Zagreb , Ante Kovačića 1 , 10000 Zagreb , Croatia
| | - Jasmina Lapić
- Faculty of Food Technology and Biotechnology , University of Zagreb , Pierottijeva 6 , 10000 Zagreb , Croatia
| | - Senka Djaković
- Faculty of Food Technology and Biotechnology , University of Zagreb , Pierottijeva 6 , 10000 Zagreb , Croatia
| | - Davor Šakić
- Faculty of Pharmacy and Biochemistry , University of Zagreb , Ante Kovačića 1 , 10000 Zagreb , Croatia
| | - Tana Tandarić
- Computational Organic Chemistry and Biochemistry Group, Division of Organic Chemistry and Biochemistry , Rud̵er Bošković Institute , Bijenička cesta 54 , 10000 Zagreb , Croatia
| | - Robert Vianello
- Computational Organic Chemistry and Biochemistry Group, Division of Organic Chemistry and Biochemistry , Rud̵er Bošković Institute , Bijenička cesta 54 , 10000 Zagreb , Croatia
| | - Valerije Vrček
- Faculty of Pharmacy and Biochemistry , University of Zagreb , Ante Kovačića 1 , 10000 Zagreb , Croatia
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Mailig M, Liu F. The Application of Isoacyl Structural Motifs in Prodrug Design and Peptide Chemistry. Chembiochem 2019; 20:2017-2031. [DOI: 10.1002/cbic.201900260] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Melrose Mailig
- Discovery ChemistryNovo Nordisk Research Center Seattle 530 Fairview Ave N Seattle WA 98109 USA
| | - Fa Liu
- Discovery ChemistryNovo Nordisk Research Center Seattle 530 Fairview Ave N Seattle WA 98109 USA
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A. M. Subbaiah M, Mandlekar S, Desikan S, Ramar T, Subramani L, Annadurai M, Desai SD, Sinha S, Jenkins SM, Krystal MR, Subramanian M, Sridhar S, Padmanabhan S, Bhutani P, Arla R, Singh S, Sinha J, Thakur M, Kadow JF, Meanwell NA. Design, Synthesis, and Pharmacokinetic Evaluation of Phosphate and Amino Acid Ester Prodrugs for Improving the Oral Bioavailability of the HIV-1 Protease Inhibitor Atazanavir. J Med Chem 2019; 62:3553-3574. [DOI: 10.1021/acs.jmedchem.9b00002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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