1
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van Dijk L, Haas BC, Lim NK, Clagg K, Dotson JJ, Treacy SM, Piechowicz KA, Roytman VA, Zhang H, Toste FD, Miller SJ, Gosselin F, Sigman MS. Data Science-Enabled Palladium-Catalyzed Enantioselective Aryl-Carbonylation of Sulfonimidamides. J Am Chem Soc 2023; 145:20959-20967. [PMID: 37656964 DOI: 10.1021/jacs.3c06674] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/03/2023]
Abstract
New methods for the general asymmetric synthesis of sulfonimidamides are of great interest due to their applications in medicinal chemistry, agrochemical discovery, and academic research. We report a palladium-catalyzed cross-coupling method for the enantioselective aryl-carbonylation of sulfonimidamides. Using data science techniques, a virtual library of calculated bisphosphine ligand descriptors was used to guide reaction optimization by effectively sampling the catalyst chemical space. The optimized conditions identified using this approach provided the desired product in excellent yield and enantioselectivity. As the next step, a data science-driven strategy was also used to explore a diverse set of aryl and heteroaryl iodides, providing key information about the scope and limitations of the method. Furthermore, we tested a range of racemic sulfonimidamides for compatibility of this coupling partner. The developed method offers a general and efficient strategy for accessing enantioenriched sulfonimidamides, which should facilitate their application in industrial and academic settings.
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Affiliation(s)
- Lucy van Dijk
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Brittany C Haas
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Ngiap-Kie Lim
- Department of Small Molecule Process Chemistry, Genentech, Inc., South San Francisco, California 94080, United States
| | - Kyle Clagg
- Department of Small Molecule Process Chemistry, Genentech, Inc., South San Francisco, California 94080, United States
| | - Jordan J Dotson
- Department of Small Molecule Process Chemistry, Genentech, Inc., South San Francisco, California 94080, United States
| | - Sean M Treacy
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Katarzyna A Piechowicz
- Department of Small Molecule Process Chemistry, Genentech, Inc., South San Francisco, California 94080, United States
| | - Vladislav A Roytman
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Haiming Zhang
- Department of Small Molecule Process Chemistry, Genentech, Inc., South San Francisco, California 94080, United States
| | - F Dean Toste
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Scott J Miller
- Department of Chemistry, Yale University, New Haven, Connecticut 06511, United States
| | - Francis Gosselin
- Department of Small Molecule Process Chemistry, Genentech, Inc., South San Francisco, California 94080, United States
| | - Matthew S Sigman
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
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2
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Xu J, Lim NK, Timmerman JC, Shen J, Clagg K, Orcel U, Bigler R, Trachsel E, Meier R, White NA, Burkhard JA, Sirois LE, Tian Q, Angelaud R, Bachmann S, Zhang H, Gosselin F. Second-Generation Atroposelective Synthesis of KRAS G12C Covalent Inhibitor GDC-6036. Org Lett 2023; 25:3417-3422. [PMID: 37162129 DOI: 10.1021/acs.orglett.3c00961] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
A chromatography-free asymmetric synthesis of GDC-6036 (1) was achieved via a highly atroposelective Negishi coupling of aminopyridine 5 and quinazoline 6b catalyzed by 0.5 mol % [Pd(cin)Cl]2 and 1 mol % (R,R)-Chiraphite to afford the key intermediate (Ra)-3. An alkoxylation of (Ra)-3 with (S)-N-methylprolinol (4) and a global deprotection generates the penultimate heterobiaryl intermediate 2. A controlled acrylamide installation by stepwise acylation/sulfone elimination and final adipate salt formation and crystallization delivered high-purity GDC-6036 (1).
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Affiliation(s)
- Jie Xu
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Ngiap-Kie Lim
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jacob C Timmerman
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jeff Shen
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Kyle Clagg
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Ugo Orcel
- Department of Process Chemistry and Catalysis, F. Hoffmann-La Roche Ltd, Basel 4070, Switzerland
| | - Raphael Bigler
- Department of Process Chemistry and Catalysis, F. Hoffmann-La Roche Ltd, Basel 4070, Switzerland
| | - Etienne Trachsel
- Department of Process Chemistry and Catalysis, F. Hoffmann-La Roche Ltd, Basel 4070, Switzerland
| | - Roland Meier
- Department of Solid State Sciences, F. Hoffmann-La Roche Ltd, Basel 4070, Switzerland
| | - Nicholas A White
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Johannes A Burkhard
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Lauren E Sirois
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Qingping Tian
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Remy Angelaud
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Stephan Bachmann
- Department of Process Chemistry and Catalysis, F. Hoffmann-La Roche Ltd, Basel 4070, Switzerland
| | - Haiming Zhang
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Francis Gosselin
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
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3
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Xu J, Grosslight S, Mack KA, Nguyen SC, Clagg K, Lim NK, Timmerman JC, Shen J, White NA, Sirois LE, Han C, Zhang H, Sigman MS, Gosselin F. Atroposelective Negishi Coupling Optimization Guided by Multivariate Linear Regression Analysis: Asymmetric Synthesis of KRAS G12C Covalent Inhibitor GDC-6036. J Am Chem Soc 2022; 144:20955-20963. [DOI: 10.1021/jacs.2c09917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jie Xu
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Samantha Grosslight
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Kyle A. Mack
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Sierra C. Nguyen
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Kyle Clagg
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Ngiap-Kie Lim
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jacob C. Timmerman
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jeff Shen
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Nicholas A. White
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Lauren E. Sirois
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Chong Han
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Haiming Zhang
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Matthew S. Sigman
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Francis Gosselin
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
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4
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Xu J, Chung CK, McClory A, Mack KA, Dalziel ME, Fettes A, Clagg K, Lim NK, Wuitschik G, Jenny C, Finet L, Kammerer M, Zhang H, Angelaud R, Gosselin F. Efficient Manufacturing Process for the Selective Estrogen Receptor Degrader GDC-9545 (Giredestrant) via a Crystallization-Driven Diastereoselective Pictet–Spengler Condensation. Org Process Res Dev 2021. [DOI: 10.1021/acs.oprd.1c00263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jie Xu
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Cheol K. Chung
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Andrew McClory
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Kyle A. Mack
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Michael E. Dalziel
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Alec Fettes
- Process Chemistry and Catalysis, Small Molecules Technical Development, F. Hoffmann-La Roche Ltd., Grenzacherstrasse, 4070 Basel, Switzerland
| | - Kyle Clagg
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Ngiap-Kie Lim
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Georg Wuitschik
- Process Chemistry and Catalysis, Small Molecules Technical Development, F. Hoffmann-La Roche Ltd., Grenzacherstrasse, 4070 Basel, Switzerland
| | - Christian Jenny
- Process Chemistry and Catalysis, Small Molecules Technical Development, F. Hoffmann-La Roche Ltd., Grenzacherstrasse, 4070 Basel, Switzerland
| | - Laure Finet
- Process Chemistry and Catalysis, Small Molecules Technical Development, F. Hoffmann-La Roche Ltd., Grenzacherstrasse, 4070 Basel, Switzerland
| | - Michael Kammerer
- Process Chemistry and Catalysis, Small Molecules Technical Development, F. Hoffmann-La Roche Ltd., Grenzacherstrasse, 4070 Basel, Switzerland
| | - Haiming Zhang
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Rémy Angelaud
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Francis Gosselin
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
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5
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Xu J, Clagg K, Lim NK, Wuitschik G, Chung CK, Zhang H, Gosselin F. First-Generation Asymmetric Synthesis of the Selective Estrogen Receptor Degrader GDC-9545 (Giredestrant) Featuring a Highly Efficient Pictet–Spengler Reaction and a C–N Coupling Reaction. Org Process Res Dev 2021. [DOI: 10.1021/acs.oprd.1c00262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Jie Xu
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Kyle Clagg
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Ngiap-Kie Lim
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Georg Wuitschik
- Process Chemistry and Catalysis, Small Molecules Technical Development, F. Hoffmann-La Roche Ltd., Grenzacherstrasse, 4070 Basel, Switzerland
| | - Cheol K. Chung
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Haiming Zhang
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Francis Gosselin
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
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6
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White NA, Clagg K, Sirois LE, Lim NK, Nack WA, O’Shea PD, Zhang H, Gosselin F. Practical Synthesis of a Stable Precursor for Positron Emission Tomography Imaging Agent 18F-GTP1. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00301] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Nicholas A. White
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Kyle Clagg
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Lauren E. Sirois
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Ngiap-Kie Lim
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - William A. Nack
- Exemplify BioPharma, 3000 Eastpark Boulevard, Suite 500-A, Cranbury, New Jersey 08512, United States
| | - Paul D. O’Shea
- Exemplify BioPharma, 3000 Eastpark Boulevard, Suite 500-A, Cranbury, New Jersey 08512, United States
| | - Haiming Zhang
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Francis Gosselin
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
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7
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White NA, Clagg K, Sirois LE, Mack KA, Al-Sayah MA, Nack WA, O'Shea PD, Zhang H, Gosselin F. Phosphoramidates as Steering Elements for Highly Selective Access to Complementary Imidazo[1,2- a]pyrimidine Isomers. Org Lett 2019; 21:9527-9531. [PMID: 31738563 DOI: 10.1021/acs.orglett.9b03702] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report that selective N-phosphorylation of aminoimidazoles results in a key steering element that controls isomeric selectivity in the condensation of β-ethoxy acrylamides and aminoimidazoles to furnish imidazo[1,2-a]pyrimidines. We identified conditions that provide highly selective (99:1) phosphorylation at the endo- or exocyclic nitrogen. Either the 2-amino or 4-amino isomer of the (benzo)imidazo[1,2-a]pyrimidine products could be isolated in 64-95% yield. Mass spectrometric analysis and computational studies give insight into the mechanism of this exceptionally selective transformation.
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Affiliation(s)
- Nicholas A White
- Department of Small Molecule Process Chemistry , Genentech, Inc. , 1 DNA Way , South San Francisco , California 94080 , United States
| | - Kyle Clagg
- Department of Small Molecule Process Chemistry , Genentech, Inc. , 1 DNA Way , South San Francisco , California 94080 , United States
| | - Lauren E Sirois
- Department of Small Molecule Process Chemistry , Genentech, Inc. , 1 DNA Way , South San Francisco , California 94080 , United States
| | - Kyle A Mack
- Department of Small Molecule Process Chemistry , Genentech, Inc. , 1 DNA Way , South San Francisco , California 94080 , United States
| | - Mohammad A Al-Sayah
- Department of Small Molecule Analytical Chemistry , Genentech, Inc. , 1 DNA Way , South San Francisco , California 94080 , United States
| | - William A Nack
- Exemplify BioPharma , 3000 Eastpark Boulevard, Suite 500-A , Cranbury , New Jersey 08512 , United States
| | - Paul D O'Shea
- Exemplify BioPharma , 3000 Eastpark Boulevard, Suite 500-A , Cranbury , New Jersey 08512 , United States
| | - Haiming Zhang
- Department of Small Molecule Process Chemistry , Genentech, Inc. , 1 DNA Way , South San Francisco , California 94080 , United States
| | - Francis Gosselin
- Department of Small Molecule Process Chemistry , Genentech, Inc. , 1 DNA Way , South San Francisco , California 94080 , United States
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8
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Clagg K, Hold S, Kumar A, Koenig SG, Angelaud R. A telescoped Knochel-Hauser/Kumada-Corriu coupling strategy to functionalized aromatic heterocycles. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2018.11.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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9
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Kou KGM, Pflueger JJ, Kiho T, Morrill LC, Fisher EL, Clagg K, Lebold TP, Kisunzu JK, Sarpong R. A Benzyne Insertion Approach to Hetisine-Type Diterpenoid Alkaloids: Synthesis of Cossonidine (Davisine). J Am Chem Soc 2018; 140:8105-8109. [PMID: 29889509 DOI: 10.1021/jacs.8b05043] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The hetisine-type natural products exhibit one of the most complex carbon skeletons within the diterpenoid alkaloid family. The use of network analysis has enabled a synthesis strategy to access alkaloids in this class with hydroxylation on the A-ring. Key transformations include a benzyne acyl-alkylation to construct a key fused 6-7-6 tricycle, a chemoselective nitrile reduction, and sequential C-N bond formations using a reductive cyclization and a photochemical hydroamination to construct an embedded azabicycle. Our strategy should enable access to myriad natural and unnatural products within the hetisine-type.
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Affiliation(s)
- Kevin G M Kou
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
| | - Jason J Pflueger
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
| | - Toshihiro Kiho
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
| | - Louis C Morrill
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
| | - Ethan L Fisher
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
| | - Kyle Clagg
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
| | - Terry P Lebold
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
| | - Jessica K Kisunzu
- Department of Chemistry & Biochemistry , Colorado College , Colorado Springs , Colorado 80903 , United States
| | - Richmond Sarpong
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
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10
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Romero FA, Murray J, Lai KW, Tsui V, Albrecht BK, An L, Beresini MH, de Leon Boenig G, Bronner SM, Chan EW, Chen KX, Chen Z, Choo EF, Clagg K, Clark K, Crawford TD, Cyr P, de Almeida Nagata D, Gascoigne KE, Grogan JL, Hatzivassiliou G, Huang W, Hunsaker TL, Kaufman S, Koenig SG, Li R, Li Y, Liang X, Liao J, Liu W, Ly J, Maher J, Masui C, Merchant M, Ran Y, Taylor AM, Wai J, Wang F, Wei X, Yu D, Zhu BY, Zhu X, Magnuson S. GNE-781, A Highly Advanced Potent and Selective Bromodomain Inhibitor of Cyclic Adenosine Monophosphate Response Element Binding Protein, Binding Protein (CBP). J Med Chem 2017; 60:9162-9183. [PMID: 28892380 DOI: 10.1021/acs.jmedchem.7b00796] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Inhibition of the bromodomain of the transcriptional regulator CBP/P300 is an especially interesting new therapeutic approach in oncology. We recently disclosed in vivo chemical tool 1 (GNE-272) for the bromodomain of CBP that was moderately potent and selective over BRD4(1). In pursuit of a more potent and selective CBP inhibitor, we used structure-based design. Constraining the aniline of 1 into a tetrahydroquinoline motif maintained potency and increased selectivity 2-fold. Structure-activity relationship studies coupled with further structure-based design targeting the LPF shelf, BC loop, and KAc regions allowed us to significantly increase potency and selectivity, resulting in the identification of non-CNS penetrant 19 (GNE-781, TR-FRET IC50 = 0.94 nM, BRET IC50 = 6.2 nM; BRD4(1) IC50 = 5100 nΜ) that maintained good in vivo PK properties in multiple species. Compound 19 displays antitumor activity in an AML tumor model and was also shown to decrease Foxp3 transcript levels in a dose dependent manner.
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Affiliation(s)
- F Anthony Romero
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Jeremy Murray
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Kwong Wah Lai
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Vickie Tsui
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Brian K Albrecht
- Constellation Pharmaceuticals, Inc. , 215 First Street, Suite 200, Cambridge, Massachusetts 02142, United States
| | - Le An
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Maureen H Beresini
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | | | - Sarah M Bronner
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Emily W Chan
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Kevin X Chen
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Zhongguo Chen
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Edna F Choo
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Kyle Clagg
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Kevin Clark
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Terry D Crawford
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Patrick Cyr
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | | | - Karen E Gascoigne
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Jane L Grogan
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | | | - Wei Huang
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Thomas L Hunsaker
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Susan Kaufman
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Stefan G Koenig
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Ruina Li
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Yingjie Li
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Xiaorong Liang
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Jiangpeng Liao
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Wenfeng Liu
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Justin Ly
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Jonathan Maher
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Colin Masui
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Mark Merchant
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Yingqing Ran
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Alexander M Taylor
- Constellation Pharmaceuticals, Inc. , 215 First Street, Suite 200, Cambridge, Massachusetts 02142, United States
| | - John Wai
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Fei Wang
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Xiaocang Wei
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Dong Yu
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Bing-Yan Zhu
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Xiaoyu Zhu
- Wuxi Apptec Co., Ltd. , 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, People's Republic of China
| | - Steven Magnuson
- Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
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Clagg K, Hou H, Weinstein AB, Russell D, Stahl SS, Koenig SG. Synthesis of Indole-2-carboxylate Derivatives via Palladium-Catalyzed Aerobic Amination of Aryl C-H Bonds. Org Lett 2016; 18:3586-9. [PMID: 27404018 DOI: 10.1021/acs.orglett.6b01592] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A direct oxidative C-H amination affording 1-acetyl indolecarboxylates starting from 2-acetamido-3-arylacrylates has been achieved. Indole-2-carboxylates can be targeted with a straightforward deacetylation of the initial reaction products. The C-H amination reaction is carried out using a catalytic Pd(II) source with oxygen as the terminal oxidant. The scope and application of this chemistry is demonstrated with good to high yields for numerous electron-rich and electron-poor substrates. Further reaction of selected products via Suzuki arylation and deacetylation provides access to highly functionalized indole structures.
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Affiliation(s)
- Kyle Clagg
- Small Molecule Process Chemistry, Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Haiyun Hou
- Small Molecule Process Chemistry, Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Adam B Weinstein
- Department of Chemistry, University of Wisconsin-Madison , 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - David Russell
- Small Molecule Analytical Chemistry and Quality Control, Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Shannon S Stahl
- Department of Chemistry, University of Wisconsin-Madison , 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Stefan G Koenig
- Small Molecule Process Chemistry, Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
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12
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Fauber BP, Clagg K, Gibbons P, René O. Experimental and Computational Studies of the Diastereoselective Alkylations of 3-Substituted γ-Sultams. J Org Chem 2015; 80:685-9. [PMID: 25437310 DOI: 10.1021/jo502506j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report that chiral 3-substituted γ-sultam α-carbanions undergo diastereoselective alkylation reactions with alkyl halides to predominantly produce trans-3,5-disubstituted γ-sultam products. Quantum mechanical calculations provided a stereoelectronic rationale for the observed diastereoselectivity.
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Affiliation(s)
- Benjamin P Fauber
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Kyle Clagg
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Paul Gibbons
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Olivier René
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
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