1
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Patil MD, Ghosh KK, RajanBabu TV. Cobalt-Catalyzed Enantioselective Hydroboration of α-Substituted Acrylates. J Am Chem Soc 2024; 146:6604-6617. [PMID: 38431968 PMCID: PMC11407689 DOI: 10.1021/jacs.3c12020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
Even though metal-catalyzed enantioselective hydroborations of alkenes have attracted enormous attention, few preparatively useful reactions of α-alkyl acrylic acid derivatives are known, and most use rhodium catalysts. No examples of asymmetric hydroboration of the corresponding α-arylacrylic acid esters are known. In our continuing efforts to search for new applications of earth-abundant cobalt catalysts for broadly applicable organic transformations, we have identified 2-(2-diarylphosphinophenyl)oxazoline ligands and mild reaction conditions for efficient and highly regio- and enantioselective hydroboration of α-alkyl- and α-aryl- acrylates, giving β-borylated propionates. Since the C-B bonds in these compounds can be readily replaced by C-O, C-N, and C-C bonds, these intermediates could serve as valuable chiral synthons, some from feedstock carbon sources, for the synthesis of propionate-bearing motifs including polyketides and related molecules. Two-step syntheses of "Roche" ester from methyl methacrylate (79%; er 99:1), arguably the most widely used chiral fragment in polyketide synthesis, and tropic acid esters (∼80% yield; er ∼93:7), which are potential intermediates for several medicinally important classes of compounds, illustrate the power of the new methods. Mechanistic studies confirm the requirement of a cationic Co(I) species [(L)Co]+as the viable catalyst in these reactions and rule out the possibility of a [L]Co-H-initiated route, which has been well-established in related hydroborations of other classes of alkenes. A mechanism involving an oxidative migration of a boryl group to the β-carbon of an η4-coordinated acrylate-cobalt complex is proposed as a plausible route.
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Affiliation(s)
- Manoj D Patil
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, United States
| | - Kiron Kumar Ghosh
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, United States
| | - T V RajanBabu
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, United States
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2
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Yang H, Yu H, Stolarzewicz IA, Tang W. Enantioselective Transformations in the Synthesis of Therapeutic Agents. Chem Rev 2023; 123:9397-9446. [PMID: 37417731 DOI: 10.1021/acs.chemrev.3c00010] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
The proportion of approved chiral drugs and drug candidates under medical studies has surged dramatically over the past two decades. As a consequence, the efficient synthesis of enantiopure pharmaceuticals or their synthetic intermediates poses a profound challenge to medicinal and process chemists. The significant advancement in asymmetric catalysis has provided an effective and reliable solution to this challenge. The successful application of transition metal catalysis, organocatalysis, and biocatalysis to the medicinal and pharmaceutical industries has promoted drug discovery by efficient and precise preparation of enantio-enriched therapeutic agents, and facilitated the industrial production of active pharmaceutical ingredient in an economic and environmentally friendly fashion. The present review summarizes the most recent applications (2008-2022) of asymmetric catalysis in the pharmaceutical industry ranging from process scales to pilot and industrial levels. It also showcases the latest achievements and trends in the asymmetric synthesis of therapeutic agents with state of the art technologies of asymmetric catalysis.
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Affiliation(s)
- He Yang
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Shanghai 200032, China
| | - Hanxiao Yu
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Shanghai 200032, China
| | - Izabela A Stolarzewicz
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Shanghai 200032, China
| | - Wenjun Tang
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Shanghai 200032, China
- School of Chemistry and Material Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
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3
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Cabré A, Verdaguer X, Riera A. Recent Advances in the Enantioselective Synthesis of Chiral Amines via Transition Metal-Catalyzed Asymmetric Hydrogenation. Chem Rev 2022; 122:269-339. [PMID: 34677059 PMCID: PMC9998038 DOI: 10.1021/acs.chemrev.1c00496] [Citation(s) in RCA: 130] [Impact Index Per Article: 65.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Chiral amines are key structural motifs present in a wide variety of natural products, drugs, and other biologically active compounds. During the past decade, significant advances have been made with respect to the enantioselective synthesis of chiral amines, many of them based on catalytic asymmetric hydrogenation (AH). The present review covers the use of AH in the synthesis of chiral amines bearing a stereogenic center either in the α, β, or γ position with respect to the nitrogen atom, reported from 2010 to 2020. Therefore, we provide an overview of the recent advances in the AH of imines, enamides, enamines, allyl amines, and N-heteroaromatic compounds.
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Affiliation(s)
- Albert Cabré
- Institute
for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain
- Departament
de Química Inorgànica i Orgànica, Secció de Química Orgànica, Universitat
de Barcelona, Martí
i Franquès 1, Barcelona E-08028, Spain
| | - Xavier Verdaguer
- Institute
for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain
- Departament
de Química Inorgànica i Orgànica, Secció de Química Orgànica, Universitat
de Barcelona, Martí
i Franquès 1, Barcelona E-08028, Spain
| | - Antoni Riera
- Institute
for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain
- Departament
de Química Inorgànica i Orgànica, Secció de Química Orgànica, Universitat
de Barcelona, Martí
i Franquès 1, Barcelona E-08028, Spain
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4
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Hu JL, Bauer F, Breit B. Ruthenium-Catalyzed Enantioselective Addition of Carboxylic Acids to Allenes. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Jiang-Lin Hu
- Institut für Organische Chemie, Albert-Ludwigs-Universität 21, 79104 Freiburg, Germany
| | - Felix Bauer
- Institut für Organische Chemie, Albert-Ludwigs-Universität 21, 79104 Freiburg, Germany
| | - Bernhard Breit
- Institut für Organische Chemie, Albert-Ludwigs-Universität 21, 79104 Freiburg, Germany
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5
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Chen L, Geng HY, Chen ZJ, Liang W, Jiao WY. Rapid entry to bispiro heterocycles merging five pharmacophores using phase-transfer catalysis. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153276] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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6
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Jung WO, Mai BK, Spinello BJ, Dubey ZJ, Kim SW, Stivala CE, Zbieg JR, Liu P, Krische MJ. Enantioselective Iridium-Catalyzed Allylation of Nitroalkanes: Entry to β-Stereogenic α-Quaternary Primary Amines. J Am Chem Soc 2021; 143:9343-9349. [PMID: 34152145 PMCID: PMC8284932 DOI: 10.1021/jacs.1c05212] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first systematic study of simple nitronate nucleophiles in iridium-catalyzed allylic alkylation is described. Using a tol-BINAP-modified π-allyliridium C,O-benzoate catalyst, α,α-disubstituted nitronates substitute racemic branched alkyl-substituted allylic acetates, thus providing entry to β-stereogenic α-quaternary primary amines. DFT calculations reveal early transition states that render the reaction less sensitive to steric effects and distinct trans-effects of diastereomeric chiral-at-iridium π-allyl complexes that facilitate formation of congested tertiary-quaternary C-C bonds.
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Affiliation(s)
- Woo-Ok Jung
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Binh Khanh Mai
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Brian J Spinello
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Zachary J Dubey
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Seung Wook Kim
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Craig E Stivala
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jason R Zbieg
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Michael J Krische
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
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7
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Zhao F, Shu C, Young CM, Carpenter‐Warren C, Slawin AMZ, Smith AD. Enantioselective Synthesis of α-Aryl-β 2 -Amino-Esters by Cooperative Isothiourea and Brønsted Acid Catalysis. Angew Chem Int Ed Engl 2021; 60:11892-11900. [PMID: 33646631 PMCID: PMC8252622 DOI: 10.1002/anie.202016220] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Indexed: 01/07/2023]
Abstract
The synthesis of α-aryl-β2 -amino esters through enantioselective aminomethylation of an arylacetic acid ester in high yields and enantioselectivity via cooperative isothiourea and Brønsted acid catalysis is demonstrated. The scope and limitations of this process are explored (25 examples, up to 94 % yield and 96:4 er), with applications to the synthesis of (S)-Venlafaxine⋅HCl and (S)-Nakinadine B. Mechanistic studies are consistent with a C(1)-ammonium enolate pathway being followed rather than an alternative dynamic kinetic resolution process. Control studies indicate that (i) a linear effect between catalyst and product er is observed; (ii) an acyl ammonium ion can be used as a precatalyst; (iii) reversible isothiourea addition to an in situ generated iminium ion leads to an off-cycle intermediate that can be used as a productive precatalyst.
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Affiliation(s)
- Feng Zhao
- EaStCHEMSchool of ChemistryUniversity of St AndrewsSt AndrewsFifeKY16 9STUK
| | - Chang Shu
- EaStCHEMSchool of ChemistryUniversity of St AndrewsSt AndrewsFifeKY16 9STUK
| | - Claire M. Young
- EaStCHEMSchool of ChemistryUniversity of St AndrewsSt AndrewsFifeKY16 9STUK
| | | | | | - Andrew D. Smith
- EaStCHEMSchool of ChemistryUniversity of St AndrewsSt AndrewsFifeKY16 9STUK
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8
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Zhao F, Shu C, Young CM, Carpenter‐Warren C, Slawin AMZ, Smith AD. Enantioselective Synthesis of α‐Aryl‐β
2
‐Amino‐Esters by Cooperative Isothiourea and Brønsted Acid Catalysis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016220] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Feng Zhao
- EaStCHEM School of Chemistry University of St Andrews St Andrews Fife KY16 9ST UK
| | - Chang Shu
- EaStCHEM School of Chemistry University of St Andrews St Andrews Fife KY16 9ST UK
| | - Claire M. Young
- EaStCHEM School of Chemistry University of St Andrews St Andrews Fife KY16 9ST UK
| | | | | | - Andrew D. Smith
- EaStCHEM School of Chemistry University of St Andrews St Andrews Fife KY16 9ST UK
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9
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Zhu C, Mandrelli F, Zhou H, Maji R, List B. Catalytic Asymmetric Synthesis of Unprotected β 2-Amino Acids. J Am Chem Soc 2021; 143:3312-3317. [PMID: 33645969 PMCID: PMC7953379 DOI: 10.1021/jacs.1c00249] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
![]()
We report here a
scalable, catalytic one-pot approach to enantiopure
and unmodified β2-amino acids. A newly developed
confined imidodiphosphorimidate (IDPi) catalyzes a broadly applicable
reaction of diverse bis-silyl ketene acetals with a silylated aminomethyl
ether, followed by hydrolytic workup, to give free β2-amino acids in high yields, purity, and enantioselectivity. Importantly,
both aromatic and aliphatic β2-amino acids can be
obtained using this method. Mechanistic studies are consistent with
the aminomethylation to proceed via silylium-based asymmetric counteranion-directed
catalysis (Si-ACDC) and a transition state to explain the enantioselectivity
is suggested on the basis of density functional theory calculation.
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Affiliation(s)
- Chendan Zhu
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Francesca Mandrelli
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Hui Zhou
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Rajat Maji
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Benjamin List
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
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10
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Biosca M, Diéguez M, Zanotti-Gerosa A. Asymmetric hydrogenation in industry. ADVANCES IN CATALYSIS 2021. [DOI: 10.1016/bs.acat.2021.08.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Noda H, Shibasaki M. Recent Advances in the Catalytic Asymmetric Synthesis of β
2
‐ and β
2,2
‐Amino Acids. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901596] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Hidetoshi Noda
- Institute of Microbial Chemistry (BIKAKEN) 3–14–23 Kamiosaki, Shinagawa‐ku, Tokyo 141–0021 Tokyo Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN) 3–14–23 Kamiosaki, Shinagawa‐ku, Tokyo 141–0021 Tokyo Japan
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12
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Jian JH, Hsu CL, Syu JF, Kuo TS, Tsai MK, Wu PY, Wu HL. Access to β 2-Amino Acids via Enantioselective 1,4-Arylation of β-Nitroacrylates Catalyzed by Chiral Rhodium Catalysts. J Org Chem 2018; 83:12184-12191. [PMID: 30153730 DOI: 10.1021/acs.joc.8b00586] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The highly enantioselective conjugate addition of a variety of arylboronic acids to β-nitroacrylates is reported to provide optically active α-aryl β-nitropropionates in up to 70% yields and >99.5% ee's, which are useful building blocks for preparing chiral β2-amino acids. The applicability of this transformation is demonstrated by converting 3aa into the β2-amino acid 5 and transforming 3ap to β-amino ester 7 via reduction and reductive N-alkylation. The latter compound is a precursor for preparing ent-ipatasertib.
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Affiliation(s)
- Jia-Hong Jian
- Department of Chemistry , National Taiwan Normal University , No. 88, Section 4, Tingzhou Road , Taipei 11677 , Taiwan
| | - Chih-Lung Hsu
- Department of Chemistry , National Taiwan Normal University , No. 88, Section 4, Tingzhou Road , Taipei 11677 , Taiwan
| | - Jin-Fong Syu
- Department of Chemistry , National Taiwan Normal University , No. 88, Section 4, Tingzhou Road , Taipei 11677 , Taiwan
| | - Ting-Shen Kuo
- Department of Chemistry , National Taiwan Normal University , No. 88, Section 4, Tingzhou Road , Taipei 11677 , Taiwan
| | - Ming-Kang Tsai
- Department of Chemistry , National Taiwan Normal University , No. 88, Section 4, Tingzhou Road , Taipei 11677 , Taiwan
| | - Ping-Yu Wu
- Oleader Technologies, Co., Ltd. , 1F., No. 8, Aly. 29, Ln. 335, Chenggong Rd. , Hukou Township, 30345 Hsinchu , Taiwan
| | - Hsyueh-Liang Wu
- Department of Chemistry , National Taiwan Normal University , No. 88, Section 4, Tingzhou Road , Taipei 11677 , Taiwan
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13
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Saito N, Abdullah I, Hayashi K, Hamada K, Koyama M, Sato Y. Enantioselective synthesis of β-amino acid derivatives via nickel-promoted regioselective carboxylation of ynamides and rhodium-catalyzed asymmetric hydrogenation. Org Biomol Chem 2018; 14:10080-10089. [PMID: 27722728 DOI: 10.1039/c6ob01234e] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
We succeeded in the development of a new method for enantioselective synthesis of α-substituted-β-amino acid derivatives. Thus, nickel(0)-promoted carboxylation of ynamide gave the α-substituted-β-aminoacrylate derivative in a highly regioselective manner. Then, rhodium-catalyzed asymmetric hydrogenation of the α-substituted β-aminoacrylate produced the corresponding α-substituted β-amino acid derivative as an optically active form.
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Affiliation(s)
- Nozomi Saito
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Iman Abdullah
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Kayoko Hayashi
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Katsuyuki Hamada
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Momoko Koyama
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Yoshihiro Sato
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
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14
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Forfar LC, Murray PM. Meeting Metal Limits in Pharmaceutical Processes. TOP ORGANOMETAL CHEM 2018. [DOI: 10.1007/3418_2018_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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15
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Zhang J, Liu C, Wang X, Chen J, Zhang Z, Zhang W. Rhodium-catalyzed asymmetric hydrogenation of β-branched enamides for the synthesis of β-stereogenic amines. Chem Commun (Camb) 2018; 54:6024-6027. [DOI: 10.1039/c8cc02798f] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
β-Branched simple enamides were hydrogenated to give β-stereogenic amines in quantitative yields and with excellent enantioselectivities.
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Affiliation(s)
- Jian Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs
- School of Pharmacy
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Chong Liu
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Xingguang Wang
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Jianzhong Chen
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Zhenfeng Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs
- School of Pharmacy
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs
- School of Pharmacy
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
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16
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Han C, Savage S, Al-Sayah M, Yajima H, Remarchuk T, Reents R, Wirz B, Iding H, Bachmann S, Fantasia SM, Scalone M, Hell A, Hidber P, Gosselin F. Asymmetric Synthesis of Akt Kinase Inhibitor Ipatasertib. Org Lett 2017; 19:4806-4809. [PMID: 28858516 DOI: 10.1021/acs.orglett.7b02228] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A highly efficient asymmetric synthesis of the Akt kinase inhibitor ipatasertib (1) is reported. The bicyclic pyrimidine 2 starting material was prepared via a nitrilase biocatalytic resolution, halogen-metal exchange/anionic cyclization, and a highly diastereoselective biocatalytic ketone reduction as key steps. The route also features a halide activated, Ru-catalyzed asymmetric hydrogenation of a vinylogous carbamic acid to produce α-aryl-β-amino acid 3 in high yield and enantioselectivity. The API was assembled in a convergent manner through a late-stage amidation/deprotection/monohydrochloride salt formation sequence.
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Affiliation(s)
| | | | | | | | | | - Reinhard Reents
- Department of Pharma Technical Development Small Molecules, F. Hoffmann-La Roche AG , Grenzacherstrasse 124, CH-4070 Basel, Switzerland
| | - Beat Wirz
- Department of Pharma Technical Development Small Molecules, F. Hoffmann-La Roche AG , Grenzacherstrasse 124, CH-4070 Basel, Switzerland
| | - Hans Iding
- Department of Pharma Technical Development Small Molecules, F. Hoffmann-La Roche AG , Grenzacherstrasse 124, CH-4070 Basel, Switzerland
| | - Stephan Bachmann
- Department of Pharma Technical Development Small Molecules, F. Hoffmann-La Roche AG , Grenzacherstrasse 124, CH-4070 Basel, Switzerland
| | - Serena M Fantasia
- Department of Pharma Technical Development Small Molecules, F. Hoffmann-La Roche AG , Grenzacherstrasse 124, CH-4070 Basel, Switzerland
| | - Michelangelo Scalone
- Department of Pharma Technical Development Small Molecules, F. Hoffmann-La Roche AG , Grenzacherstrasse 124, CH-4070 Basel, Switzerland
| | - André Hell
- Department of Pharma Technical Development Small Molecules, F. Hoffmann-La Roche AG , Grenzacherstrasse 124, CH-4070 Basel, Switzerland
| | - Pirmin Hidber
- Department of Pharma Technical Development Small Molecules, F. Hoffmann-La Roche AG , Grenzacherstrasse 124, CH-4070 Basel, Switzerland
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17
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Campello HR, Parker J, Perry M, Ryberg P, Gallagher T. Asymmetric Reduction of Lactam-Based β-Aminoacrylates. Synthesis of Heterocyclic β2-Amino Acids. Org Lett 2016; 18:4124-7. [DOI: 10.1021/acs.orglett.6b02074] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
| | - Jeremy Parker
- AstraZeneca, Pharmaceutical Development, Silk Road Business Park, Macclesfield SK10 2NA U.K
| | - Matthew Perry
- AstraZeneca, Innovative Medicines, R&I Chemistry, AstraZeneca R&D Mölndal, Peparedsleden, SE-431 83 Mölndal, Sweden
| | - Per Ryberg
- AstraZeneca, PR&D Södertälje, S-151 85 Södertälje, Sweden
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18
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Remarchuk T, St-Jean F, Carrera D, Savage S, Yajima H, Wong B, Babu S, Deese A, Stults J, Dong MW, Askin D, Lane JW, Spencer KL. Synthesis of Akt Inhibitor Ipatasertib. Part 2. Total Synthesis and First Kilogram Scale-up. Org Process Res Dev 2014. [DOI: 10.1021/op500270z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Travis Remarchuk
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Frederic St-Jean
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Diane Carrera
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Scott Savage
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Herbert Yajima
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Brian Wong
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Srinivasan Babu
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Alan Deese
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Jeffrey Stults
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Michael W. Dong
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - David Askin
- Small
Molecule Process Chemistry, Genentech, Inc., a member of the Roche Group, 1 DNA
Way, South San Francisco, California 94080-4990, United States
| | - Jonathan W. Lane
- Array BioPharma Inc., 3200
Walnut Street, Boulder, Colorado 80301, United States
| | - Keith L. Spencer
- Array BioPharma Inc., 3200
Walnut Street, Boulder, Colorado 80301, United States
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19
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Lane JW, Spencer KL, Shakya SR, Kallan NC, Stengel PJ, Remarchuk T. Synthesis of Akt Inhibitor Ipatasertib. Part 1. Route Scouting and Early Process Development of a Challenging Cyclopentylpyrimidine Intermediate. Org Process Res Dev 2014. [DOI: 10.1021/op500271w] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jonathan W. Lane
- Array BioPharma Inc., 3200
Walnut Street, Boulder, Colorado 80301, United States
| | - Keith L. Spencer
- Array BioPharma Inc., 3200
Walnut Street, Boulder, Colorado 80301, United States
| | - Sagar R. Shakya
- Array BioPharma Inc., 3200
Walnut Street, Boulder, Colorado 80301, United States
| | - Nicholas C. Kallan
- Array BioPharma Inc., 3200
Walnut Street, Boulder, Colorado 80301, United States
| | - Peter J. Stengel
- Array BioPharma Inc., 3200
Walnut Street, Boulder, Colorado 80301, United States
| | - Travis Remarchuk
- Genentech Inc., a member of the Roche Group, 1 DNA Way, South San Francisco, California 94080-4990, United States
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