1
|
Zheng Y, Zhao Y, Tao S, Li X, Cheng X, Jiang G, Wan X. Green Esterification of Carboxylic Acids Promoted by
tert
‐Butyl Nitrite. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yonggao Zheng
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Yanwei Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Suyan Tao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Xingxing Li
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Xionglve Cheng
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Gangzhong Jiang
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| |
Collapse
|
2
|
Haratipour P, Minard C, Nakhjiri M, Negahbani A, Chamberlain BT, Osuna J, Upton TG, Zhao M, Kashemirov BA, McKenna CE. Completing the β,γ-CXY-dNTP Stereochemical Probe Toolkit: Synthetic Access to the dCTP Diastereomers and 31P and 19F NMR Correlations with Absolute Configurations. J Org Chem 2020; 85:14592-14609. [PMID: 33125847 DOI: 10.1021/acs.joc.0c01204] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Nucleoside 5'-triphosphate (dNTP) analogues in which the β,γ-oxygen is mimicked by a CXY group (β,γ-CXY-dNTPs) have provided information about DNA polymerase catalysis and fidelity. Definition of CXY stereochemistry is important to elucidate precise binding modes. We previously reported the (R)- and (S)-β,γ-CHX-dGTP diastereomers (X = F, Cl), prepared via P,C-dimorpholinamide CHCl (6a, 6b) and CHF (7a, 7b) bisphosphonates (BPs) equipped with an (R)-mandelic acid as a chiral auxiliary, with final deprotection using H2/Pd. This method also affords the β,γ-CHCl-dTTP (11a, 11b), β,γ-CHF (12a, 12b), and β,γ-CHCl (13a, 13b) dATP diastereomers as documented here, but the reductive deprotection step is not compatible with dCTP or the bromo substituent in β,γ-CHBr-dNTP analogues. To complete assembly of the toolkit, we describe an alternative synthetic strategy featuring ethylbenzylamine or phenylglycine-derived chiral BP synthons incorporating a photolabile protecting group. After acid-catalyzed removal of the (R)-(+)-α-ethylbenzylamine auxiliary, coupling with activated dCMP and photochemical deprotection, the individual diastereomers of β,γ-CHBr- (33a, 33b), β,γ-CHCl- (34a, 34b), β,γ-CHF-dCTP (35a, 35b) were obtained. The β,γ-CH(CH3)-dATPs (44a, 44b) were obtained using a methyl (R)-(-)-phenylglycinate auxiliary. 31P and 19F NMR Δδ values are correlated with CXY stereochemistry and pKa2-4 values for 13 CXY-bisphosphonic acids and imidodiphosphonic acid are tabulated.
Collapse
Affiliation(s)
- Pouya Haratipour
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| | - Corinne Minard
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| | - Maryam Nakhjiri
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| | - Amirsoheil Negahbani
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| | - Brian T Chamberlain
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| | - Jorge Osuna
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| | - Thomas G Upton
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| | - Michelle Zhao
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| | - Boris A Kashemirov
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| | - Charles E McKenna
- Department of Chemistry, Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, University Park Campus, Los Angeles, California 90089, United States
| |
Collapse
|
3
|
Takamura H, Kadota I. Unified Total Synthesis, Stereostructural Elucidation, and Biological Evaluation of Sarcophytonolides. J SYN ORG CHEM JPN 2019. [DOI: 10.5059/yukigoseikyokaishi.77.1190] [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)
- Hiroyoshi Takamura
- Department of Chemistry, Graduate School of Natural Science and Technology, Okayama University
| | | |
Collapse
|
4
|
Pokluda A, Kohout M, Chudoba J, Krupička M, Cibulka R. Nitrosobenzene: Reagent for the Mitsunobu Esterification Reaction. ACS OMEGA 2019; 4:5012-5018. [PMID: 31459682 PMCID: PMC6648318 DOI: 10.1021/acsomega.8b03551] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 02/22/2019] [Indexed: 05/24/2023]
Abstract
Nitrosobenzene has been demonstrated to participate in the Mitsunobu reaction in an analogous manner to dialkyl azodicarboxylates. The protocol using nitrosobenzene and triphenylphosphine (1:1) under mild conditions (0 °C) provides the ester derivatives of aliphatic and aromatic acids using various alcohols in moderate yield and with good enantioselectivity, giving the desired products predominantly with an inversion of configuration. The proposed mechanism, which is analogous to that observed using dialkyl azodicarboxylates, involves a nitrosobenzene-triphenylphosphine adduct and an alkoxytriphenylphosphonium ion and was supported by density functional theory calculations, 31P NMR spectroscopy, and experiments conducted with isotopically labeled substrates.
Collapse
Affiliation(s)
- Adam Pokluda
- Department
of Organic Chemistry and Central Laboratories, University
of Chemistry and Technology, Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Michal Kohout
- Department
of Organic Chemistry and Central Laboratories, University
of Chemistry and Technology, Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Josef Chudoba
- Department
of Organic Chemistry and Central Laboratories, University
of Chemistry and Technology, Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Martin Krupička
- Department
of Organic Chemistry and Central Laboratories, University
of Chemistry and Technology, Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Radek Cibulka
- Department
of Organic Chemistry and Central Laboratories, University
of Chemistry and Technology, Prague, Technická 5, 166 28 Prague, Czech Republic
| |
Collapse
|
5
|
Gopinath P, Chandrasekaran S. A Sequential One-Pot Synthesis of Functionalized Esters and Thioesters through a Ring-Opening Acylation of Cyclic Ethers and Thioethers. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801225] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Purushothaman Gopinath
- Department of Organic Chemistry; Indian Institute of Science; 560012 Bangalore India
- Department of Chemistry; Indian Institute of Science Education and Research (IISER); 517507 Tirupati, Tirupati India
| | | |
Collapse
|
6
|
März M, Kohout M, Neveselý T, Chudoba J, Prukała D, Niziński S, Sikorski M, Burdziński G, Cibulka R. Azodicarboxylate-free esterification with triphenylphosphine mediated by flavin and visible light: method development and stereoselectivity control. Org Biomol Chem 2018; 16:6809-6817. [PMID: 30203820 DOI: 10.1039/c8ob01822g] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Triphenylphosphine (Ph3P) activated by various electrophiles (e.g., alkyl diazocarboxylates) represents an effective mediator of esterification and other nucleophilic substitution reactions. We report herein an aza-reagent-free procedure using flavin catalyst (3-methyl riboflavin tetraacetate), triphenylphosphine, and visible light (448 nm), which allows effective esterification of aromatic and aliphatic carboxylic acids with alcohols. Mechanistic study confirmed that photoinduced electron transfer from triphenylphosphine to excited flavin with the formation of Ph3P˙+ is a crucial step in the catalytic cycle. This allows reactive alkoxyphosphonium species to be generated by reaction of an alcohol with Ph3P˙+ followed by single-electron oxidation. Unexpected stereoselectivity control by the solvent was observed, allowing switching from inversion to retention of configuration during esterification of (S)- or (R)-1-phenylethanol; for example with phenylacetic acid, the ratio shifting from 10 : 90 (retention : inversion) in trifluoromethylbenzene to 99.9 : 0.1 in acetonitrile. Our method uses nitrobenzene to regenerate the flavin photocatalyst. This new approach to flavin re-oxidation has also been successfully proved in benzyl alcohol oxidation, which is a "standard" process among flavin-mediated photooxidations.
Collapse
Affiliation(s)
- Michal März
- Department of Organic Chemistry, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague, Czech Republic.
| | | | | | | | | | | | | | | | | |
Collapse
|
7
|
Takamura H, Kikuchi T, Iwamoto K, Nakao E, Harada N, Otsu T, Endo N, Fukuda Y, Ohno O, Suenaga K, Guo YW, Kadota I. Unified Total Synthesis, Stereostructural Elucidation, and Biological Evaluation of Sarcophytonolides. J Org Chem 2018; 83:11028-11056. [DOI: 10.1021/acs.joc.8b01634] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hiroyoshi Takamura
- Department of Chemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Takahiro Kikuchi
- Department of Chemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Kohei Iwamoto
- Department of Chemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Eiji Nakao
- Department of Chemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Naoki Harada
- Department of Chemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Taichi Otsu
- Department of Chemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Noriyuki Endo
- Himeji EcoTech Co., Ltd., 841-49 Koh, Shirahama-cho, Himeji 672-8023, Japan
| | - Yuji Fukuda
- Himeji EcoTech Co., Ltd., 841-49 Koh, Shirahama-cho, Himeji 672-8023, Japan
| | - Osamu Ohno
- Department of Chemistry and Life Science, School of Advanced Engineering, Kogakuin University, 2665-1 Nakano, Hachioji 192-0015, Japan
| | - Kiyotake Suenaga
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Yue-Wei Guo
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China
| | - Isao Kadota
- Department of Chemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| |
Collapse
|
8
|
Hirose D, Gazvoda M, Košmrlj J, Taniguchi T. Systematic Evaluation of 2-Arylazocarboxylates and 2-Arylazocarboxamides as Mitsunobu Reagents. J Org Chem 2018; 83:4712-4729. [PMID: 29570289 DOI: 10.1021/acs.joc.8b00486] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
2-Arylazocarboxylate and 2-arylazocarboxamide derivatives can serve as replacements of typical Mitsunobu reagents such as diethyl azodicarboxylate. A systematic investigation of the reactivity and physical properties of those azo compounds has revealed that they have an excellent ability as Mitsunobu reagents. These reagents show similar or superior reactivity as compared to the known azo reagents and are applicable to the broad scope of substrates. p Ka and steric effects of substrates have been investigated, and the limitation of the Mitsunobu reaction can be overcome by choosing suitable reagents from the library of 2-arylazocarboxylate and 2-aryl azocarboxamide derivatives. Convenient recovery of azo reagents is available by one-pot iron-catalyzed aerobic oxidation, for example. SC-DSC analysis of representative 2-arylazocarboxylate and 2-arylazocarboxamide derivatives has shown high thermal stability, indicating that these azo reagents possess lower chemical hazard compared with typical azo reagents.
Collapse
Affiliation(s)
| | - Martin Gazvoda
- Faculty of Chemistry and Chemical Technology , University of Ljubljana , Večna pot 113 , SI-1000 Ljubljana , Slovenia
| | - Janez Košmrlj
- Faculty of Chemistry and Chemical Technology , University of Ljubljana , Večna pot 113 , SI-1000 Ljubljana , Slovenia
| | | |
Collapse
|
9
|
März M, Chudoba J, Kohout M, Cibulka R. Photocatalytic esterification under Mitsunobu reaction conditions mediated by flavin and visible light. Org Biomol Chem 2017; 15:1970-1975. [DOI: 10.1039/c6ob02770a] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Excited flavin facilitates stereoselective coupling of alcohols and acids to esters in the presence of triphenylphosphine and catalytic amount of dialkyl hydrazinedicarboxylate.
Collapse
Affiliation(s)
- M. März
- Department of Organic Chemistry
- University of Chemistry and Technology
- Prague
- 166 28 Prague
- Czech Republic
| | - J. Chudoba
- Central Laboratories
- University of Chemistry and Technology
- Prague
- 166 28 Prague
- Czech Republic
| | - M. Kohout
- Department of Organic Chemistry
- University of Chemistry and Technology
- Prague
- 166 28 Prague
- Czech Republic
| | - R. Cibulka
- Department of Organic Chemistry
- University of Chemistry and Technology
- Prague
- 166 28 Prague
- Czech Republic
| |
Collapse
|
10
|
E. Hartung R, C. Wall M, Lebreton S, Smrcina M, Patek M. Selectivity of N- Versus O-Alkylation in Mitsunobu Reactions with Various Quinolinols and Isoquinolinols. HETEROCYCLES 2017. [DOI: 10.3987/com-17-13710] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
11
|
Pathak G, Das D, Rokhum SL. A microwave-assisted highly practical chemoselective esterification and amidation of carboxylic acids. RSC Adv 2016. [DOI: 10.1039/c6ra22558f] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
The ubiquitousness of esters and amide functionalities makes their coupling reaction one of the most sought-after organic transformations.
Collapse
Affiliation(s)
- Gunindra Pathak
- Department of Chemistry, National Institute of Technology Silchar, Silchar 788010, Assam, India
| | - Diparjun Das
- Department of Chemistry, National Institute of Technology Silchar, Silchar 788010, Assam, India
| | | |
Collapse
|
12
|
Dinesh M, Archana S, Ranganathan R, Sathishkumar M, Ponnuswamy A. Bis azide–triphenylphosphine as a reagent for esterification at room temperature. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.10.073] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
13
|
Pathak G, Rokhum SL. Selective Monoesterification of Symmetrical Diols Using Resin-Bound Triphenylphosphine. ACS COMBINATORIAL SCIENCE 2015; 17:483-7. [PMID: 26226065 DOI: 10.1021/acscombsci.5b00086] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Coupling reactions to make esters and amides are among the most widely used organic transformations. We report efficient procedures for amide bond formation and for the monoesterification of symmetrical diols in excellent yields without any requirement for high dilution or slow addition using resin-bound triarylphosphonium iodide. Easy purification, low moisture sensitivity, and good to excellent yields of the products are the major advantages of this protocol.
Collapse
Affiliation(s)
- Gunindra Pathak
- Department of Chemistry, National Institute of Technology Silchar , Silchar, Assam 788010, India
| | | |
Collapse
|
14
|
Wangngae S, Duangkamol C, Pattarawarapan M, Phakhodee W. Significance of reagent addition sequence in the amidation of carboxylic acids mediated by PPh3 and I2. RSC Adv 2015. [DOI: 10.1039/c5ra03184b] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The outcome of the amidation reaction mediated by PPh3–I2 was found to be highly dependent on the addition sequence of the reagents.
Collapse
Affiliation(s)
- Sirilak Wangngae
- Department of Chemistry and Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Chuthamat Duangkamol
- Department of Chemistry and Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Mookda Pattarawarapan
- Department of Chemistry and Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Wong Phakhodee
- Department of Chemistry and Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| |
Collapse
|
15
|
Yang W, Cui YM, Zou JF, Wang CY, Huang WS, Zhang J, Xu LW. Investigation of the Mitsunobu Reaction of BINOL and Cinchona Alkaloids: Inversion or Retention of Configuration? SYNTHETIC COMMUN 2014. [DOI: 10.1080/00397911.2014.930494] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Wei Yang
- a Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University , Hangzhou , China
| | - Yu-Ming Cui
- a Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University , Hangzhou , China
| | - Jing-Feng Zou
- a Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University , Hangzhou , China
| | - Cai-Yun Wang
- a Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University , Hangzhou , China
| | - Wei-Sheng Huang
- a Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University , Hangzhou , China
| | - Jin Zhang
- a Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University , Hangzhou , China
| | - Li-Wen Xu
- a Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University , Hangzhou , China
- b State Key Laboratory for Oxo Synthesis and Selective Oxidation , Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou , China
| |
Collapse
|
16
|
Müller S, Sasse F, Maier ME. Synthesis of Pladienolide B and Its 7-Epimer with Insights into the Role of the Allylic Acetate. European J Org Chem 2013. [DOI: 10.1002/ejoc.201301468] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
|
17
|
Elhalem E, Pujol CA, Damonte EB, Rodriguez JB. Synthesis and biological evaluation of N-thia-carba-thymidine as an antiherpetic agent. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.02.092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
18
|
Pettit GR, Quistorf PD, Fry JA, Herald DL, Hamel E, Chapuis JC. Antineoplastic agents. 565. Synthesis of combretastatin D-2 phosphate and dihydro-combretastatin D-2. JOURNAL OF NATURAL PRODUCTS 2009; 72:876-83. [PMID: 20161135 PMCID: PMC2729559 DOI: 10.1021/np800635h] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
A modified synthetic route to combretastatin D-2 (5) was devised in order to further evaluate its biological activity, for its conversion to phosphate prodrugs (25-28), and as a route to obtaining dihydro-combretastatin D-2 (42). A parallel first total synthesis of dihydro-combretastatin D-2 was completed, proceeding from a saturated 3-phenylpropionic ester intermediate via the Ullmann biaryl ether reaction (39-41). In contrast to the cancer cell growth inhibitory activity exhibited by combretastatin D-2, relatively minor structural modifications (41, 42) caused elimination of those properties.
Collapse
Affiliation(s)
- George R Pettit
- Department of Chemistry and Biochemistry, Cancer Research Institute, Arizona State University, PO Box 871604, Tempe, Arizona 85287-1604, USA.
| | | | | | | | | | | |
Collapse
|
19
|
Swamy KCK, Kumar NNB, Balaraman E, Kumar KVPP. Mitsunobu and Related Reactions: Advances and Applications. Chem Rev 2009; 109:2551-651. [PMID: 19382806 DOI: 10.1021/cr800278z] [Citation(s) in RCA: 873] [Impact Index Per Article: 58.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- K. C. Kumara Swamy
- School of Chemistry, University of Hyderabad, Hyderabad − 500046, A. P., India
| | - N. N. Bhuvan Kumar
- School of Chemistry, University of Hyderabad, Hyderabad − 500046, A. P., India
| | - E. Balaraman
- School of Chemistry, University of Hyderabad, Hyderabad − 500046, A. P., India
| | | |
Collapse
|
20
|
Abstract
We report a one-pot, expedient protocol for the conversion of carboxylic acids to their esters using excess triphenylphosphine dibromide, base, and the alcohol. The reaction gave the esterified product in moderate-to-high yields (30-95%). For chiral acids, the reaction proceeded with little or no racemization. Use of a chiral alcohol in this transformation gave the ester with retention of configuration of the stereogenic center. Information is presented indicating that esterification proceeds through the intermediate generation of an acyloxyalkoxyphosphorane and where steric interactions play an important role in the energetics of the reaction.
Collapse
|
21
|
Berrée F, Gernigon N, Hercouet A, Lin CH, Carboni B. SN2′ Boron-Mediated Mitsunobu Reactions - A New One-Pot Three-Component Synthesis of Substituted Enamides and Enol Benzoates. European J Org Chem 2009. [DOI: 10.1002/ejoc.200800965] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
22
|
Wang G, Ella-Menye JR, St Martin M, Yang H, Williams K. Regioselective esterification of vicinal diols on monosaccharide derivatives via Mitsunobu reactions. Org Lett 2008; 10:4203-6. [PMID: 18759436 DOI: 10.1021/ol801316f] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We have carried out a series of esterification reactions of secondary alcohols derived from d-glucose, d-mannose, and d-galactose via the Mitsunobu reaction. The benzoylation reaction of vicinal diols derived from monosaccharides under Mitsunobu conditions afforded monobenzoates with retention of stereochemistry only. The regioselectivity of these reactions depends on the stereochemistry of the sugar starting material. The Mitsunobu reactions on these diols may be used for the selective protection of other vicinal secondary hydroxyl groups.
Collapse
Affiliation(s)
- Guijun Wang
- Department of Chemistry, Univeristy of New Orleans, New Orleans, Louisiana 70148, USA.
| | | | | | | | | |
Collapse
|
23
|
Iranpoor N, Firouzabadi H, Khalili D, Motevalli S. Easily Prepared Azopyridines As Potent and Recyclable Reagents for Facile Esterification Reactions. An Efficient Modified Mitsunobu Reaction. J Org Chem 2008; 73:4882-7. [DOI: 10.1021/jo8000782] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nasser Iranpoor
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Habib Firouzabadi
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Dariush Khalili
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Somayeh Motevalli
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| |
Collapse
|
24
|
Solovyov A, Notestein JM, Durkin KA, Katz A. Graftable chiral ligands for surface organometallic materials: calixarenes bearing asymmetric centers directly attached to the lower rim. NEW J CHEM 2008. [DOI: 10.1039/b801434p] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
25
|
But TYS, Toy PH. The Mitsunobu Reaction: Origin, Mechanism, Improvements, and Applications. Chem Asian J 2007; 2:1340-55. [PMID: 17890661 DOI: 10.1002/asia.200700182] [Citation(s) in RCA: 232] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The Mitsunobu reaction is a widely used and versatile method for the dehydrative oxidation-reduction condensation of an acid/pronucleophile usually with a primary or secondary alcohol that requires the combination of a reducing phosphine reagent together with an oxidizing azo reagent. The utility of this reaction stems from the fact that it is generally highly stereoselective and occurs with inversion of the stereochemical configuration of the alcohol starting material. Furthermore, as carboxylic acids, phenols, imides, sulfonamides, and other compounds can be used as the acid/pronucleophile, this reaction is useful for the preparation of a wide variety of functional groups. This Focus Review of the Mitsunobu reaction summarizes its origins, the current understanding of its mechanism, and recent improvements and applications.
Collapse
Affiliation(s)
- Tracy Yuen Sze But
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | | |
Collapse
|
26
|
A convenient procedure for the esterification of benzoic acids with phenols: a new application for the Mitsunobu reaction. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.03.095] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
27
|
Ding TJ, Wang XL, Cao XP. A Fast Assembly of (−)-Epigallocatechin-3-gallate [(−)-EGCG] via Intra- and Inter-molecular Mitsunobu Reaction. CHINESE J CHEM 2006. [DOI: 10.1002/cjoc.200690303] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
28
|
Imuta S, Tanimoto H, Momose MK, Chida N. Total synthesis of actinobolin from d-glucose by way of the stereoselective three-component coupling reaction. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.04.079] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
29
|
Reactivity difference between diphosgene and phosgene in reaction with (2,3-anti)-3-amino-1,2-diols. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.04.033] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
30
|
Zong K, ‘Bert’ Groenendaal L, Reynolds JR. A new and efficient synthetic route toward 3,4-alkylenedioxypyrrole (XDOP) derivatives via Mitsunobu chemistry. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2006.03.086] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
31
|
Roller S, Zhou H, Haag R. High-loading polyglycerol supported reagents for Mitsunobu- and acylation-reactions and other useful polyglycerol derivatives. Mol Divers 2005; 9:305-16. [PMID: 16311807 DOI: 10.1007/s11030-005-8117-y] [Citation(s) in RCA: 125] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2004] [Accepted: 11/30/2004] [Indexed: 11/26/2022]
Abstract
In this paper we present soluble dendritic polyglycerol (PG) supported reagents PG-DEAD, PG-PPh3, and PG-DCC as well as scavengers PG-carbonate, PG-carbazate, and PG-amine, which all have been synthesized in high overall conversions and yields using simple purification techniques. The supported reagents have been used simultaneously in Mitsunobu and acylation reactions. All polymeric reagents and scavengers can be removed by simple precipitation/filtration protocols to give chromatography-free products of high purity. In the course of the syntheses of the polymeric reagents three intermediates turned out to be precious polyglycerol derivatives: a mixed carbonate as an electrophilic derivative, polyglyceryl carbazate as a scavenger for carbonyl compounds, as well as polyglycerylamines as amino analogues of polyglycerol.
Collapse
|
32
|
Takayama H, Sudo R, Kitajima M. Determination of absolute configuration of Pandanus alkaloid, pandamarilactonine-A, by first asymmetric total synthesis. Tetrahedron Lett 2005. [DOI: 10.1016/j.tetlet.2005.06.148] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
33
|
Pearson MSM, Mathé‐Allainmat M, Fargeas V, Lebreton J. Recent Advances in the Total Synthesis of Piperidine Azasugars. European J Org Chem 2005. [DOI: 10.1002/ejoc.200400823] [Citation(s) in RCA: 197] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Morwenna S. M. Pearson
- Laboratoire de Synthèse Organique, CNRS UMR 6513, FR CNRS 2465, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France, Fax: +33‐2‐5112‐5562
| | - Monique Mathé‐Allainmat
- Laboratoire de Synthèse Organique, CNRS UMR 6513, FR CNRS 2465, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France, Fax: +33‐2‐5112‐5562
| | - Valérie Fargeas
- Laboratoire de Synthèse Organique, CNRS UMR 6513, FR CNRS 2465, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France, Fax: +33‐2‐5112‐5562
| | - Jacques Lebreton
- Laboratoire de Synthèse Organique, CNRS UMR 6513, FR CNRS 2465, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France, Fax: +33‐2‐5112‐5562
| |
Collapse
|
34
|
Dimethylmalonyltrialkylphosphoranes: probing the steric effect on phosphorus and its stereochemical consequence in esterification reactions of chiral secondary alcohols. J Organomet Chem 2005. [DOI: 10.1016/j.jorganchem.2004.10.046] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
35
|
Dooms C, Laurent P, Daloze D, Pasteels J, Nedved O, Braekman JC. Synthesis and Absolute Configuration of Hyperaspine, an Alkaloid of the LadybirdHyperaspis campestris. European J Org Chem 2005. [DOI: 10.1002/ejoc.200400804] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
36
|
Wu Y, Sun YP. Novel chemoselective tosylation of the alcoholic hydroxyl group of syn-alpha,beta-disubstituted beta-hydroxy carboxylic acids. Chem Commun (Camb) 2005:1906-8. [PMID: 15795783 DOI: 10.1039/b416383d] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
[small beta]-Hydroxy acids were readily converted into [small beta]-tosyloxy acids (hydroxyl group activation) in moderate to excellent yields via the O,O-dianions generated by treatment with methyllithium and thus make it possible to prepare anti[small alpha],[small beta]-disubstituted [small beta]-lactones directly from the syn aldols.
Collapse
Affiliation(s)
- Yikang Wu
- State Key Laboratory of Bioorganic & Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China.
| | | |
Collapse
|
37
|
Dinsmore CJ, Mercer SP. Carboxylation and Mitsunobu Reaction of Amines to Give Carbamates: Retention vs Inversion of Configuration Is Substituent-Dependent. Org Lett 2004; 6:2885-8. [PMID: 15330639 DOI: 10.1021/ol0491080] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A mild method for the synthesis of carbamates from amino alcohols involves sequential carboxylation with carbon dioxide, followed by a Mitsunobu reaction. Unexpectedly, the stereochemical course of the Mitsunobu reaction is dependent on whether the carbamic acid intermediate is N-substituted with hydrogen (retention) or carbon (inversion).
Collapse
Affiliation(s)
- Christopher J Dinsmore
- Department of Medicinal Chemistry, Merck Research Laboratories, West Point, Pennsylvania 19486, USA.
| | | |
Collapse
|
38
|
Dembinski R. Recent Advances in the Mitsunobu Reaction: Modified Reagents and the Quest for Chromatography‐Free Separation. European J Org Chem 2004. [DOI: 10.1002/ejoc.200400003] [Citation(s) in RCA: 158] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Roman Dembinski
- Department of Chemistry, Oakland University, 2200 N. Squirrel Rd., Rochester, Michigan 48309‐4477, USA
| |
Collapse
|
39
|
Achmatowicz M, Hegedus LS. Synthesis of 1-Deoxy-d-galactohomonojirimycin via Enantiomerically Pure Allenylstannanes. J Org Chem 2003; 69:2229-34. [PMID: 15049613 DOI: 10.1021/jo0303012] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
1-Deoxy-D-galactohomonojirimycin was synthesized in seven steps from optically pure allenylstannane 4 and L-lactate-derived aldehyde 5 in 48% overall yield. The key step was the Lewis acid catalyzed reaction of 4 and 5 to give the syn-amino alcohol in excellent yield and very high diastereoselectivity.
Collapse
Affiliation(s)
- Michal Achmatowicz
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA
| | | |
Collapse
|
40
|
Cravotto G, Chimichi S, Robaldo B, Boccalini M. Monoalkylation of dihydroxycoumarins via Mitsunobu dehydroalkylation under high intensity ultrasound. The synthesis of ferujol. Tetrahedron Lett 2003. [DOI: 10.1016/j.tetlet.2003.09.114] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
41
|
Imuta S, Ochiai S, Kuribayashi M, Chida N. New synthesis of (−)- and (+)-actinobolin from d-glucose. Tetrahedron Lett 2003. [DOI: 10.1016/s0040-4039(03)01186-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
42
|
McNulty J, Capretta A, Laritchev V, Dyck J, Robertson AJ. Dimethylmalonyltrialkylphosphoranes: new general reagents for esterification reactions allowing controlled inversion or retention of configuration on chiral alcohols. J Org Chem 2003; 68:1597-600. [PMID: 12585914 DOI: 10.1021/jo026639y] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new class of trialkylphosphorane has been prepared through reaction of a trialkylphosphine with 2-chlorodimethylmalonate in the presence of triethylamine. These new reagents promote the condensation reaction of carboxylic acids with alcohols to provide esters along with trialkylphosphine oxide and dimethylmalonate. The condensation reaction of chiral secondary alcohols can be controlled to give either high levels of inversion or retention through a subtle interplay involving basicity of the reaction media, solvent, and tuning the electronic and steric nature of the carboxylic acid and steric nature of the phosphorane employed. A coherent mechanism is postulated to explain these observations involving reaction via an initial acyloxyphosphonium ion.
Collapse
Affiliation(s)
- James McNulty
- Institute of Molecular Catalysis, Department of Chemistry, Brock University, St. Catharines, Ontario L2S 3A1 Canada.
| | | | | | | | | |
Collapse
|
43
|
Cravotto G, Mario Nano G, Palmisano G, Tagliapietra S. 4-Hydroxycoumarin and Related Systems: Sitoselectivity of the Mitsunobu Reaction with Prenyl Alcohols. HETEROCYCLES 2003. [DOI: 10.3987/com-03-9737] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|