1
|
Huang Y, Zhang Y, Pan L, Wu Q, Li N, Shi E, Xiao J. CAMDOL-enabled diastereoselective synthesis of α-substituted phosphonates. Chem Commun (Camb) 2024. [PMID: 38265054 DOI: 10.1039/d3cc05436e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
Enantiopure α-substituted phosphonic acids are widely utilized as drugs, pesticides, and ligands. Despite numerous synthetic approaches having been investigated, precise construction of P-adjacent chiral tertiary carbon centres by the employment of recoverable chiral auxiliaries is traditional and still one of the most reliable and practical synthetic methodologies so far. Herein, we present a highly diastereoselective synthesis of α-substituted phosphonates via the unique CAMDOL-derived P-substrates by an efficient sequential deprotonation with LiHMDS and alkylation/arylation with RI. A wide range of 30 structurally diverse α-substituted phosphonate products, including the well-known P-analogues of naproxen and ibuprofen, were thus afforded conveniently in up to 92% yields and 99 : 1 diastereomeric ratios. The related chiral phosphonic acid could be easily obtained by simple acidic hydrolysis with fully recovered auxiliary. This CAMDOL-enabled asymmetric synthetic protocol exhibits comparative advantages over known chiral-induction methods with easy accessibility and compatibility of furnishing a variety of C-stereogenic centres in the proximity of the phosphorus atom, including some rare examples.
Collapse
Affiliation(s)
- Yu Huang
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China.
| | - Yulong Zhang
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China.
| | - Li Pan
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China.
| | - Qian Wu
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China.
| | - Ning Li
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China.
| | - Enxue Shi
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China.
| | - Junhua Xiao
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China.
| |
Collapse
|
2
|
Crockett MP, Piña J, Gogoi AR, Lalisse RF, Nguyen AV, Gutierrez O, Thomas AA. Breaking the tert-Butyllithium Contact Ion Pair: A Gateway to Alternate Selectivity in Lithiation Reactions. J Am Chem Soc 2023; 145:10743-10755. [PMID: 37133911 PMCID: PMC10245630 DOI: 10.1021/jacs.2c13047] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The effects of Lewis basic phosphoramides on the aggregate structure of t-BuLi have been investigated in detail by NMR and DFT methods. It was determined that hexamethylphosphoramide (HMPA) can shift the equilibrium of t-BuLi to include the triple ion pair (t-Bu-Li-t-Bu)-/HMPA4Li+ which serves as a reservoir for the highly reactive separated ion pair t-Bu-/HMPA4Li+. Because the Li-atom's valences are saturated in this ion pair, the Lewis acidity is significantly decreased; in turn, the basicity is maximized which allowed for the typical directing effects within oxygen heterocycles to be overridden and for remote sp3 C-H bonds to be deprotonated. Furthermore, these newly accessed lithium aggregation states were leveraged to develop a simple γ-lithiation and capture protocol of chromane heterocycles with a variety of alkyl halide electrophiles in good yields.
Collapse
Affiliation(s)
- Michael P Crockett
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Jeanette Piña
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Achyut Ranjan Gogoi
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Remy F Lalisse
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Andrew V Nguyen
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Osvaldo Gutierrez
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Andy A Thomas
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| |
Collapse
|
3
|
Primary Phosphines and Phosphine Oxides with a Stereogenic Carbon Center Adjacent to the Phosphorus Atom: Synthesis and Anti-Markovnikov Radical Addition to Alkenes. ORGANICS 2021. [DOI: 10.3390/org2040023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Organophosphorus compounds with stereogenic phosphorus and carbon atoms have received increasing attention. In this regards, primary phosphines with a stereogenic carbon atom adjacent to the phosphorus atom were synthesized by the reduction in phosphonates and phosphonoselenoates with a binaphthyl group. Their oxidized products, i.e., phosphine oxides with a stereogenic tetrasubstituted carbon atom, were found to undergo BEt3-mediated radical addition to cyclohexene to give P-stereogenic secondary phosphine oxides with a diastereoselectivity of 91:9. The products were characterized by ordinary analytical methods, such as Fourier transform infrared spectroscopy; 1H, 13C, and 31P NMR spectroscopies; and mass spectroscopy. Computational studies on the phosphorus-centered radical species and the obtained product implied that the thermodynamically stable radical and the adduct may be formed as a major diastereomer. The radical addition to a range of alkenes took place in an anti-Markovnikov fashion to give P-stereogenic secondary phosphine oxides. A variety of functional groups in the alkenes were tolerated under the reaction conditions to afford secondary phosphine oxides in moderate yields. Primary phosphines with an alkenyl group, which were generated in situ, underwent intramolecular cyclization to give five- and six-membered cyclic phosphines in high yields after protection by BH3.
Collapse
|
4
|
Gbubele JD, Olszewski TK. Asymmetric synthesis of organophosphorus compounds using H-P reagents derived from chiral alcohols. Org Biomol Chem 2021; 19:2823-2846. [PMID: 33710223 DOI: 10.1039/d1ob00124h] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Chiral organophosphorus compounds, especially those containing C-stereogenic carbons in the proximity of the phosphorus atom, are known for their unique properties and have found wide applications that span from medicinal chemistry to enantioselective catalysis. However, the synthesis of such chiral molecules, especially with the precise control of stereochemistry at chiral carbon atoms, still remains a very challenging task. This review summarizes recent advances in the highly stereoselective formation of C- and, in some cases, also P-stereogenic organophosphorus compounds. The presented synthesis strategy is based on the use of H-P reagents bearing TADDOL, BINOL or a menthol moiety attached to the phosphorus atom and serving as a chiral auxiliary. Reactions of such chiral H-P species with different partners, e.g., alkenes, alkynes, imines, and carbonyl compounds, leading to structurally diverse chiral organophosphorus compounds with up to five chiral centers are comprehensively discussed. In each case, the stereochemical outcome of the reaction is influenced by the presence of the chiral alcohol used; therefore, the content of this review is compiled into sections with respect to the type of chiral alcohol attached to the phosphorus atom in the H-P species applied.
Collapse
Affiliation(s)
- Joseph D Gbubele
- Faculty of Chemistry, Wrocław University of Science and Technology, ul. Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland.
| | | |
Collapse
|
5
|
Ye JJ, Yan BX, Wang JP, Wen JH, Zhang Y, Qiu MR, Li Q, Zhao CQ. The construction of three C–P bonds of P-stereogenic tertiary phosphines containing (l)-menthyl. Org Chem Front 2020. [DOI: 10.1039/d0qo00453g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A wide range of RP or SP-(l)-menthyl-containing SPOs were prepared via the reaction of 1,1′-bi(2-naphthol) derived phosphonite with a metallic reagent with excellent yield and dr.
Collapse
Affiliation(s)
- Jing-Jing Ye
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Bing-Xia Yan
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Ji-Ping Wang
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Jing-Hong Wen
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Yu Zhang
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Mao-Ran Qiu
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Qiang Li
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Chang-Qiu Zhao
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| |
Collapse
|
6
|
Nishiyama Y, Hosoya T, Yoshida S. Synthesis of benzyl sulfidesviasubstitution reaction at the sulfur of phosphinic acid thioesters. Chem Commun (Camb) 2020; 56:5771-5774. [DOI: 10.1039/d0cc02039g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
An ambident electrophilicity of phosphinic acid thioesters is disclosed. Unexpected carbon–sulfur bond formation took place in the reaction between phosphinic acid thioesters and benzyl Grignard reagents to provide various benzyl sulfides.
Collapse
Affiliation(s)
- Yoshitake Nishiyama
- Laboratory of Chemical Bioscience
- Institute of Biomaterials and Bioengineering
- Tokyo Medical and Dental University (TMDU)
- Chiyoda-ku
- Japan
| | - Takamitsu Hosoya
- Laboratory of Chemical Bioscience
- Institute of Biomaterials and Bioengineering
- Tokyo Medical and Dental University (TMDU)
- Chiyoda-ku
- Japan
| | - Suguru Yoshida
- Laboratory of Chemical Bioscience
- Institute of Biomaterials and Bioengineering
- Tokyo Medical and Dental University (TMDU)
- Chiyoda-ku
- Japan
| |
Collapse
|
7
|
Kuwabara K, Maekawa Y, Ebihara M, Maruyama T, Murai T. Synthesis ofP-stereogenic phosphonothioates via alcoholysis of phosphonothioates with a binaphthyl group. HETEROATOM CHEMISTRY 2018. [DOI: 10.1002/hc.21448] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kazuma Kuwabara
- Department of Chemistry and Biomolecular Science; Faculty of Engineering; Gifu University; Gifu Japan
| | - Yuuki Maekawa
- Department of Chemistry and Biomolecular Science; Faculty of Engineering; Gifu University; Gifu Japan
| | - Masahiro Ebihara
- Department of Chemistry and Biomolecular Science; Faculty of Engineering; Gifu University; Gifu Japan
| | - Toshifumi Maruyama
- Department of Chemistry and Biomolecular Science; Faculty of Engineering; Gifu University; Gifu Japan
| | - Toshiaki Murai
- Department of Chemistry and Biomolecular Science; Faculty of Engineering; Gifu University; Gifu Japan
| |
Collapse
|
8
|
Kuwabara K, Maekawa Y, Minoura M, Murai T. Hydrolysis of Phosphonothioates with a Binaphthyl Group: P-Stereogenic O-Binaphthyl Phosphonothioic Acids and Their Use as Optically Active Ligands and Chiral Discriminating Agents. Org Lett 2018; 20:1375-1379. [PMID: 29431445 DOI: 10.1021/acs.orglett.8b00147] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The hydrolysis of phosphonothioates with a binaphthyl group afforded the first example of O-(2'-hydroxy)binaphthyl phosphonothioic acids in good to high yields and >95:5 diastereoselectivity. The reaction proceeds via an axis-to-center chirality-transfer reaction. The ability of these acids to act as chiral molecular auxiliaries was demonstrated by using them as optically active ligands for the asymmetric ethylation of benzaldehyde and as a chiral discriminating agent for chiral aliphatic amines.
Collapse
Affiliation(s)
- Kazuma Kuwabara
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University , Yanagido, Gifu 501-1193, Japan
| | - Yuuki Maekawa
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University , Yanagido, Gifu 501-1193, Japan
| | - Mao Minoura
- Department of Chemistry, Graduate School of Science, Rikkyo University , Nishi-ikebukuro, Toshima-ku, Tokyo 171-8501, Japan
| | - Toshiaki Murai
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University , Yanagido, Gifu 501-1193, Japan
| |
Collapse
|
9
|
Maekawa Y, Kuwabara K, Sugiyama A, Iwata K, Maruyama T, Murai T. Synthesis of P-Stereogenic Phosphinates via an Axis-to-Center Chirality Transfer by the Reaction of Phosphonates Having a Binaphthyloxy Group with Grignard Reagents. CHEM LETT 2017. [DOI: 10.1246/cl.170395] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yuuki Maekawa
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193
| | - Kazuma Kuwabara
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193
| | - Aya Sugiyama
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193
| | - Kouji Iwata
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193
| | - Toshifumi Maruyama
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193
| | - Toshiaki Murai
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193
| |
Collapse
|
10
|
Nishiyama Y, Hazama Y, Yoshida S, Hosoya T. Synthesis of Unsymmetrical Tertiary Phosphine Oxides via Sequential Substitution Reaction of Phosphonic Acid Dithioesters with Grignard Reagents. Org Lett 2017; 19:3899-3902. [DOI: 10.1021/acs.orglett.7b01796] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yoshitake Nishiyama
- Laboratory of Chemical Bioscience,
Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Yuki Hazama
- Laboratory of Chemical Bioscience,
Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Suguru Yoshida
- Laboratory of Chemical Bioscience,
Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Takamitsu Hosoya
- Laboratory of Chemical Bioscience,
Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| |
Collapse
|