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Barik P, Behera SS, Nayak LK, Nanda LN, Nanda SK, Patri P. Transition metal catalysed cascade C-C and C-O bond forming events of alkynes. Org Biomol Chem 2024; 22:5052-5086. [PMID: 38856756 DOI: 10.1039/d3ob02044d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
The past few decades have witnessed the emergence of domino reactions as a powerful tool for the multi-functionalization of alkynes for the rapid and smooth construction of complex molecular architectures. In this context, employing transition metal catalysis, vicinal/geminal cascade functionalization of alkynes involving C-C and C-O bond-formation reactions, has become a preferred strategy for the synthesis of oxygenated motifs. Despite this significant progress, reviews documenting such strategies are either metal/functional group-centric or target-oriented, thus hampering further developments. Therefore, in this review, different conceptual approaches based on C-C and C-O bond-forming events of alkynes such as carboxygenation (C-C and CO bond formation), carboalkoxylation (C-C and C-OR bond formation), and carboacetoxylation (C-C and C-OAc bond formations) are discussed, and examples from the literature from the last two decades are presented. Further, we have presented detailed insights into the mechanism of different transformations.
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Affiliation(s)
- Padmanava Barik
- PG Department of Chemistry, Bhadrak Autonomous College, Bhadrak, Odisha, 756100, India.
| | | | - Laxmi Kanta Nayak
- PG Department of Chemistry, Bhadrak Autonomous College, Bhadrak, Odisha, 756100, India.
| | | | - Santosh Kumar Nanda
- PG Department of Chemistry, Bhadrak Autonomous College, Bhadrak, Odisha, 756100, India.
| | - Padmanava Patri
- PG Department of Chemistry, Bhadrak Autonomous College, Bhadrak, Odisha, 756100, India.
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2
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Simlandy AK, Alturaifi TM, Nguyen JM, Oxtoby LJ, Wong QN, Chen JS, Liu P, Engle KM. Enantioselective Hydroalkenylation and Hydroalkynylation of Alkenes Enabled by a Transient Directing Group: Catalyst Generality through Rigidification. Angew Chem Int Ed Engl 2023; 62:e202304013. [PMID: 37141510 PMCID: PMC10524838 DOI: 10.1002/anie.202304013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/04/2023] [Accepted: 05/04/2023] [Indexed: 05/06/2023]
Abstract
The catalytic enantioselective synthesis of α-chiral alkenes and alkynes represents a powerful strategy for rapid generation of molecular complexity. Herein, we report a transient directing group (TDG) strategy to facilitate site-selective palladium-catalyzed reductive Heck-type hydroalkenylation and hydroalkynylation of alkenylaldehyes using alkenyl and alkynyl bromides, respectively, allowing for construction of a stereocenter at the δ-position with respect to the aldehyde. Computational studies reveal the dual beneficial roles of rigid TDGs, such as L-tert-leucine, in promoting TDG binding and inducing high levels of enantioselectivity in alkene insertion with a variety of migrating groups.
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Affiliation(s)
- Amit Kumar Simlandy
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Turki M Alturaifi
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, PA 15260, Pittsburgh, USA
| | - Johny M Nguyen
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Lucas J Oxtoby
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Quynh Nguyen Wong
- Automated Synthesis Facility, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Jason S Chen
- Automated Synthesis Facility, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, PA 15260, Pittsburgh, USA
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
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3
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Simlandy AK, Rodphon W, Alturaifi TM, Mai BK, Ni HQ, Gurak JA, Liu P, Engle KM. Catalytic Addition of Nitroalkanes to Unactivated Alkenes via Directed Carbopalladation. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Amit Kumar Simlandy
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Warabhorn Rodphon
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Turki M. Alturaifi
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Binh Khanh Mai
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Hui-Qi Ni
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - John A. Gurak
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Keary M. Engle
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
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4
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Liu M, Sun J, Zhang T, Ding Y, Han Y, Martín‐Montero R, Lan Y, Shi B, Engle KM. Regio- and Stereoselective 1,2-Oxyhalogenation of Non-Conjugated Alkynes via Directed Nucleopalladation: Catalytic Access to Tetrasubstituted Alkenes. Angew Chem Int Ed Engl 2022; 61:e202209099. [PMID: 36082442 PMCID: PMC9588632 DOI: 10.1002/anie.202209099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Indexed: 01/12/2023]
Abstract
A catalytic 1,2-oxyhalogenation method that converts non-conjugated internal alkynes into tetrasubstituted alkenes with high regio- and stereoselectivity is described. Mechanistically, the reaction involves a PdII /PdIV catalytic cycle that begins with a directed oxypalladation step. The origin of regioselectivity is the preference for formation of a six-membered palladacycle intermediate, which is facilitated by an N,N-bidentate 2-(pyridin-2-yl)isopropyl (PIP) amide directing group. Selectivity for C(alkenyl)-X versus -N (X=halide) reductive elimination from the PdIV center depends on the identity of the halide anion; bromide and iodide engage in C(alkenyl)-X formation, while intramolecular C(alkenyl)-N reductive elimination occurs with chloride to furnish a lactam product. DFT calculations shed light on the origins of this phenomenon.
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Affiliation(s)
- Mingyu Liu
- Department of ChemistryThe Scripps Research Institute10550 N. Torrey Pines RoadLa JollaCA 92037USA
| | - Juntao Sun
- Department of ChemistryThe Scripps Research Institute10550 N. Torrey Pines RoadLa JollaCA 92037USA
| | - Tao Zhang
- Green Catalysis Center and College of ChemistryZhengzhou UniversityZhengzhouHenan450001P. R. China
| | - Yi Ding
- Department of ChemistryZhejiang UniversityHangzhouZhejiang310027P. R. China
| | - Ye‐Qiang Han
- Department of ChemistryZhejiang UniversityHangzhouZhejiang310027P. R. China
| | - Raúl Martín‐Montero
- Department of ChemistryThe Scripps Research Institute10550 N. Torrey Pines RoadLa JollaCA 92037USA
| | - Yu Lan
- Green Catalysis Center and College of ChemistryZhengzhou UniversityZhengzhouHenan450001P. R. China,School of Chemistry and Chemical EngineeringChongqing Key Laboratory of Theoretical and Computational ChemistryChongqing UniversityChongqing400030P. R. China
| | - Bing‐Feng Shi
- Department of ChemistryZhejiang UniversityHangzhouZhejiang310027P. R. China
| | - Keary M. Engle
- Department of ChemistryThe Scripps Research Institute10550 N. Torrey Pines RoadLa JollaCA 92037USA
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5
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Liu M, Sun J, Zhang T, Ding Y, Han YQ, Martín-Montero R, Lan Y, Shi BF, Engle KM. Regio‐ and Stereoselective 1,2‐Oxyhalogenation of Non‐ Conjugated Alkynes via Directed Nucleopalladation: Catalytic Access to Tetrasubstituted Alkenes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Mingyu Liu
- The Scripps Research Institute Chemistry UNITED STATES
| | - Juntao Sun
- The Scripps Research Institute Chemistry UNITED STATES
| | - Tao Zhang
- Zhengzhou University College of Chemistry CHINA
| | - Yi Ding
- Zhejiang University Chemistry UNITED STATES
| | | | | | - Yu Lan
- Zhengzhou University College of Chemistry CHINA
| | | | - Keary Mark Engle
- The Scripps Research Institute Department of Chemistry 10550 N. Torrey Pines Rd. 92037 La Jolla UNITED STATES
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6
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Ni HQ, Cooper P, Yang S, Wang F, Sach N, Bedekar PG, Donaldson JS, Tran-Dubé M, McAlpine IJ, Engle KM. Mapping Ambiphile Reactivity Trends in the Anti-(Hetero)annulation of Non-Conjugated Alkenes via Pd II /Pd IV Catalysis. Angew Chem Int Ed Engl 2022; 61:e202114346. [PMID: 35007393 PMCID: PMC8923970 DOI: 10.1002/anie.202114346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Indexed: 12/14/2022]
Abstract
In this study, we systematically evaluate different ambiphilic organohalides for their ability to participate in anti-selective carbo- or heteroannulation with non-conjugated alkenyl amides under PdII /PdIV catalysis. Detailed optimization of the reaction conditions has led to protocols for synthesizing tetrahydropyridines, tetralins, pyrrolidines, and other carbo/heterocyclic cores via [n+2] (n=3-5) (hetero)annulation. Expansion of scope to otherwise unreactive ambiphilic haloketones through PdII /amine co-catalysis is also demonstrated. Compared to other annulation processes, this method proceeds via a distinct PdII /PdIV mechanism involving Wacker-type directed nucleopalladation. This difference results in unique reactivity and selectivity patterns, as revealed through assessment of reaction scope and competition experiments.
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Affiliation(s)
- Hui-Qi Ni
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
| | - Phillippa Cooper
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
| | - Shouliang Yang
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Fen Wang
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Neal Sach
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Pranali G Bedekar
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
| | - Joyann S Donaldson
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Michelle Tran-Dubé
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Indrawan J McAlpine
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
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7
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Ni HQ, Cooper P, Yang S, Wang F, Sach N, Bedekar PG, Donaldson JS, Tran-Dubé M, McAlpine IJ, Engle KM. Mapping Ambiphile Reactivity Trends in the Anti‐(Hetero)annulation of Non‐Conjugated Alkenes via Pd(II)/Pd(IV) Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hui-Qi Ni
- The Scripps Research Institute Chemistry 10550 N. Torrey Pines Rd. 92037 La Jolla UNITED STATES
| | | | - Shouliang Yang
- Pfizer Inc Oncology Medicinal Chemistry 10770 Science Center Drive 92121 San Diego UNITED STATES
| | - Fen Wang
- Pfizer Inc Oncology Medicinal Chemistry UNITED STATES
| | - Neal Sach
- Pfizer Inc Oncology Medicinal Chemistry UNITED STATES
| | | | | | | | | | - Keary Mark Engle
- The Scripps Research Institute Department of Chemistry 10550 N. Torrey Pines Rd. 92037 La Jolla UNITED STATES
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8
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Landge VG, Grant AJ, Fu Y, Rabon AM, Payton JL, Young MC. Palladium-Catalyzed γ,γ'-Diarylation of Free Alkenyl Amines. J Am Chem Soc 2021; 143:10352-10360. [PMID: 34161068 DOI: 10.1021/jacs.1c04261] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The direct difunctionalization of alkenes is an effective way to construct multiple C-C bonds in one-pot using a single functional group. The regioselective dicarbofunctionalization of alkenes is therefore an important area of research to rapidly obtain complex organic molecules. Herein, we report a palladium-catalyzed γ,γ'-diarylation of free alkenyl amines through interrupted chain walking for the synthesis of Z-selective alkenyl amines. Notably, while 1,3-dicarbofunctionalization of allyl groups is well precedented, the present disclosure allows 1,3-dicarbofunctionalization of highly substituted allylamines to give highly Z-selective trisubsubstituted olefin products. This cascade reaction operates via an unprotected amine-directed Mizoroki-Heck (MH) pathway featuring a β-hydride elimination to selectively chain walk to furnish a new terminal olefin which then generates the cis-selective alkenyl amines around the sterically crowded allyl moiety. This operationally simple protocol is applicable to a variety of cyclic, branched, and linear secondary and tertiary alkenylamines, and has a broad substrate scope with regard to the arene coupling partner as well. Mechanistic studies have been performed to help elucidate the mechanism, including the presence of a likely unproductive side C-H activation pathway.
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Affiliation(s)
- Vinod G Landge
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States of America
| | - Aaron J Grant
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States of America
| | - Yu Fu
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States of America
| | - Allison M Rabon
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States of America
| | - John L Payton
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States of America.,Department of Chemistry, Kenyon College, 106 College Park Dr., Gambier, Ohio 43022, United States of America
| | - Michael C Young
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States of America
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Shukla RK, Chaturvedi AK, Volla CMR. Catalytic Cascade Cyclization and Regioselective Hydroheteroarylation of Unactivated Alkenes. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01234] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Rahul K. Shukla
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Atul K. Chaturvedi
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Chandra M. R. Volla
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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