1
|
Qiu Z, Zhu M, Zheng L, Li J, Zou D, Wu Y, Wu Y. Regioselective α-benzylation of 3-iodoazetidine via Suzuki cross-coupling. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.04.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
2
|
Palomba M, Trappetti F, Bagnoli L, Santi C, Marini F. Oxone-Mediated Oxidation of Vinyl Selenides in Water. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800498] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Martina Palomba
- Department of Pharmaceutical Sciences; Group of Catalysis and Organic Green Chemistry; University of Perugia; Via del Liceo, 1 06123 Perugia Italy
| | - Francesco Trappetti
- Department of Pharmaceutical Sciences; Group of Catalysis and Organic Green Chemistry; University of Perugia; Via del Liceo, 1 06123 Perugia Italy
| | - Luana Bagnoli
- Department of Pharmaceutical Sciences; Group of Catalysis and Organic Green Chemistry; University of Perugia; Via del Liceo, 1 06123 Perugia Italy
| | - Claudio Santi
- Department of Pharmaceutical Sciences; Group of Catalysis and Organic Green Chemistry; University of Perugia; Via del Liceo, 1 06123 Perugia Italy
| | - Francesca Marini
- Department of Pharmaceutical Sciences; Group of Catalysis and Organic Green Chemistry; University of Perugia; Via del Liceo, 1 06123 Perugia Italy
| |
Collapse
|
3
|
Simlandy AK, Mukherjee S. Catalytic asymmetric formal γ-allylation of deconjugated butenolides. Org Biomol Chem 2018; 14:5659-64. [PMID: 26646367 DOI: 10.1039/c5ob02362a] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A formal γ-allylation of deconjugated butenolides is reported based on a two-step sequence consisting of a catalytic diastereo- and enantioselective vinylogous nucleophilic addition to vinyl sulfones and Julia-Kocienski olefination. This highly modular approach delivers densely functionalized butenolides containing a quaternary stereogenic centre in excellent yield with high enantioselectivity.
Collapse
Affiliation(s)
- Amit K Simlandy
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560 012, India.
| | - Santanu Mukherjee
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560 012, India.
| |
Collapse
|
4
|
Antermite D, Degennaro L, Luisi R. Recent advances in the chemistry of metallated azetidines. Org Biomol Chem 2017; 15:34-50. [DOI: 10.1039/c6ob01665k] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The almost unexplored four-membered azetidines represent a particularly interesting class of molecules, among the family of saturated nitrogen heterocycles. This review reports recent developments in direct metal-based functionalization of the azetidine ring, focusing on the regio- and stereoselectivity of these reactions.
Collapse
Affiliation(s)
- Daniele Antermite
- Department of Pharmacy – Drug Sciences
- University of Bari
- Bari 70125
- Italy
| | | | - Renzo Luisi
- Department of Pharmacy – Drug Sciences
- University of Bari
- Bari 70125
- Italy
| |
Collapse
|
5
|
Clemenceau A, Wang Q, Zhu J. Enantioselective Synthesis of Quaternary α-Amino Acids Enabled by the Versatility of the Phenylselenonyl Group. Chemistry 2016; 22:18368-18372. [PMID: 27862465 DOI: 10.1002/chem.201604781] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Indexed: 01/04/2023]
Abstract
A novel Cinchona alkaloid-catalyzed enantioselective conjugate addition of α-alkyl substituted α-nitroacetates to phenyl vinyl selenone was developed. The resulting enantio-enriched α,α-dialkyl substituted α-nitroacetates were subsequently converted to various cyclic and acyclic quaternary α-amino acids, taking advantage of the rich functionalities of the resulting Michael adducts. Novel protocols allowing chemoselective reduction of phenyl selenone to phenyl selenide and reduction of alkyl phenyl selenones to alkanes are also reported.
Collapse
Affiliation(s)
- Antonin Clemenceau
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| | - Qian Wang
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| |
Collapse
|
6
|
Buyck T, Pasche D, Wang Q, Zhu J. Synthesis of Oxazolidin-2-ones by Oxidative Coupling of Isonitriles, Phenyl Vinyl Selenone, and Water. Chemistry 2016; 22:2278-81. [PMID: 26683868 DOI: 10.1002/chem.201505050] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Indexed: 12/17/2022]
Abstract
Reaction of alkyl isocyanides, phenyl vinyl selenone, and water in the presence of a catalytic amount of Cs2 CO3 afforded oxazolidin-2-ones in good yields. This unprecedented heteroannulation process created four chemical bonds in a single operation with the isocyano group acting formally as a polarized double bond and phenyl vinyl selenone as a latent 1,3-dipole. The phenylselenonyl group played a triple role as an electron-withdrawing group to activate the 1,4-addition, a leaving group, and a latent oxidant in this transformation.
Collapse
Affiliation(s)
- Thomas Buyck
- Laboratory of Synthesis and Natural Products, école Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| | - Delphine Pasche
- Laboratory of Synthesis and Natural Products, école Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| | - Qian Wang
- Laboratory of Synthesis and Natural Products, école Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products, école Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland.
| |
Collapse
|
7
|
Temperini A, Barattucci A, Bonaccorsi PM, Rosati O, Minuti L. Stereoselective Synthesis of Substituted Tetrahydropyrans and Isochromans by Cyclization of Phenylseleno Alcohols. J Org Chem 2015. [DOI: 10.1021/acs.joc.5b01199] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Andrea Temperini
- Dipartimento
di Scienze Farmaceutiche, Università di Perugia, Via del Liceo
1, 06123 Perugia, Italy
| | - Anna Barattucci
- Dipartimento
di Scienze Chimiche, Università di Messina, Viale F. Stagno
d’Alcontres 31, 98166 Messina, Italy
| | - Paola Maria Bonaccorsi
- Dipartimento
di Scienze Chimiche, Università di Messina, Viale F. Stagno
d’Alcontres 31, 98166 Messina, Italy
| | - Ornelio Rosati
- Dipartimento
di Scienze Farmaceutiche, Università di Perugia, Via del Liceo
1, 06123 Perugia, Italy
| | - Lucio Minuti
- Dipartimento
di Chimica, Biologia e Biotecnologie, Università di Perugia, Via Elce
di Sotto 8, 06123 Perugia, Italy
| |
Collapse
|
8
|
Jensen KL, Nielsen DU, Jamison TF. A General Strategy for the Synthesis of Enantiomerically Pure Azetidines and Aziridines through Nickel-Catalyzed Cross-Coupling. Chemistry 2015; 21:7379-83. [DOI: 10.1002/chem.201500886] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Indexed: 11/11/2022]
|
9
|
Ghorai MK, Das S, Das K, Kumar A. Stereoselective synthesis of activated 2-arylazetidines via imino-aldol reaction. Org Biomol Chem 2015. [DOI: 10.1039/c5ob01140j] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A highly stereoselective synthesis ofN-sulfinyl andN-sulfonyl azetidines have been developed involving imino-aldol reaction of ester enolates with aldimines.
Collapse
Affiliation(s)
- Manas K. Ghorai
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Subhomoy Das
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Kalpataru Das
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Amit Kumar
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| |
Collapse
|
10
|
Buyck T, Wang Q, Zhu J. Triple role of phenylselenonyl group enabled a one-pot synthesis of 1,3-oxazinan-2-ones from α-isocyanoacetates, phenyl vinyl selenones, and water. J Am Chem Soc 2014; 136:11524-8. [PMID: 25066833 DOI: 10.1021/ja506031h] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Reaction of α-substituted α-isocyanoacetates with phenyl vinyl selenones in the presence of a catalytic amount of base (DBU or Et3N, 0.05-0.1 equiv) followed by addition of p-toluenesulfonic acid (PTSA, 0.1-0.2 equiv) afforded 4,4,5-trisubstituted 1,3-oxazinan-2-ones in good to excellent yields. Enantiomerically enriched heterocycles can also be prepared using a Cinchona alkaloid-derived bifunctional organocatalyst for the Michael addition step. The phenylselenonyl group served as an activator for the Michael addition, a leaving group and a latent oxidant in this integrated reaction sequence.
Collapse
Affiliation(s)
- Thomas Buyck
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne , EPFL-SB-ISIC-LSPN, BCH 5304, 1015 Lausanne, Switzerland
| | | | | |
Collapse
|
11
|
Temperini A, Curini M, Rosati O, Minuti L. Magnesium bis(monoperoxyphthalate) hexahydrate as mild and efficient oxidant for the synthesis of selenones. Beilstein J Org Chem 2014; 10:1267-71. [PMID: 24991278 PMCID: PMC4077369 DOI: 10.3762/bjoc.10.127] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Accepted: 05/13/2014] [Indexed: 12/02/2022] Open
Abstract
A new, efficient and mild method for the direct oxidation of selenides to selenones using magnesium bis(monoperoxyphthalate) hexahydrate (MMPP) has been developed. Noteworthy this transformation proceeds at room temperature, employs a cheap and safety oxidant and has a broad functional group tolerance. Moreover, the produced selenones could be useful intermediates for the synthesis of different heterocyclic compounds.
Collapse
Affiliation(s)
- Andrea Temperini
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, via del Liceo 1, 06123 Perugia, Italy
| | - Massimo Curini
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, via del Liceo 1, 06123 Perugia, Italy
| | - Ornelio Rosati
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, via del Liceo 1, 06123 Perugia, Italy
| | - Lucio Minuti
- Dipartimento di Chimica, Biologia e Biotecnologia, Università di Perugia, via Elce di Sotto 8, 06123 Perugia, Italy
| |
Collapse
|
12
|
Li Q, Wan P, He Y, Zhou Y, Li L, Chen B, Duan K, Cao R, Zhou Z, Qiu L. Enantioselective Hydrogenation of the Double Bond of Exocyclic α,β-Unsaturated Carbonyl Compounds Catalyzed by Iridium/H8-BINOL-Derived Phosphine-Oxazoline Complexes. ASIAN J ORG CHEM 2014. [DOI: 10.1002/ajoc.201402011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
13
|
Buyck T, Wang Q, Zhu J. Catalytic enantioselective Michael addition of α-aryl-α-isocyanoacetates to vinyl selenone: synthesis of α,α-disubstituted α-amino acids and (+)- and (-)-trigonoliimine A. Angew Chem Int Ed Engl 2013; 52:12714-8. [PMID: 24127295 DOI: 10.1002/anie.201306663] [Citation(s) in RCA: 114] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Indexed: 01/02/2023]
Affiliation(s)
- Thomas Buyck
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, CH-1015 Lausanne (Switzerland)
| | | | | |
Collapse
|
14
|
Buyck T, Wang Q, Zhu J. Catalytic Enantioselective Michael Addition of α-Aryl-α-Isocyanoacetates to Vinyl Selenone: Synthesis of α,α-Disubstituted α-Amino Acids and (+)- and (−)-Trigonoliimine A. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201306663] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
|
15
|
Minuti L, Barattucci A, Bonaccorsi PM, Di Gioia ML, Leggio A, Siciliano C, Temperini A. Intramolecular Displacement of Phenylselenone by a Hydroxy Group: Stereoselective Synthesis of 2-Substituted Tetrahydrofurans. Org Lett 2013; 15:3906-9. [DOI: 10.1021/ol401653w] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Lucio Minuti
- Department of Chemistry, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy, Department of Chemical Sciences, University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy, Department of Pharmacy and Health Sciences and Nutrition, Multifunctional Building, University of Calabria, 87030 Arcavacata di Rende, Cosenza, Italy, and Department of Chemistry and Technology of Drugs, University of Perugia, via del Liceo 1, 06123 Perugia, Italy
| | - Anna Barattucci
- Department of Chemistry, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy, Department of Chemical Sciences, University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy, Department of Pharmacy and Health Sciences and Nutrition, Multifunctional Building, University of Calabria, 87030 Arcavacata di Rende, Cosenza, Italy, and Department of Chemistry and Technology of Drugs, University of Perugia, via del Liceo 1, 06123 Perugia, Italy
| | - Paola Maria Bonaccorsi
- Department of Chemistry, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy, Department of Chemical Sciences, University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy, Department of Pharmacy and Health Sciences and Nutrition, Multifunctional Building, University of Calabria, 87030 Arcavacata di Rende, Cosenza, Italy, and Department of Chemistry and Technology of Drugs, University of Perugia, via del Liceo 1, 06123 Perugia, Italy
| | - Maria Luisa Di Gioia
- Department of Chemistry, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy, Department of Chemical Sciences, University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy, Department of Pharmacy and Health Sciences and Nutrition, Multifunctional Building, University of Calabria, 87030 Arcavacata di Rende, Cosenza, Italy, and Department of Chemistry and Technology of Drugs, University of Perugia, via del Liceo 1, 06123 Perugia, Italy
| | - Antonella Leggio
- Department of Chemistry, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy, Department of Chemical Sciences, University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy, Department of Pharmacy and Health Sciences and Nutrition, Multifunctional Building, University of Calabria, 87030 Arcavacata di Rende, Cosenza, Italy, and Department of Chemistry and Technology of Drugs, University of Perugia, via del Liceo 1, 06123 Perugia, Italy
| | - Carlo Siciliano
- Department of Chemistry, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy, Department of Chemical Sciences, University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy, Department of Pharmacy and Health Sciences and Nutrition, Multifunctional Building, University of Calabria, 87030 Arcavacata di Rende, Cosenza, Italy, and Department of Chemistry and Technology of Drugs, University of Perugia, via del Liceo 1, 06123 Perugia, Italy
| | - Andrea Temperini
- Department of Chemistry, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy, Department of Chemical Sciences, University of Messina, Viale F. Stagno d’Alcontres 31, 98166 Messina, Italy, Department of Pharmacy and Health Sciences and Nutrition, Multifunctional Building, University of Calabria, 87030 Arcavacata di Rende, Cosenza, Italy, and Department of Chemistry and Technology of Drugs, University of Perugia, via del Liceo 1, 06123 Perugia, Italy
| |
Collapse
|
16
|
Rai A, Yadav LDS. An organocatalytic approach to stereoselective synthesis of 2-hydroxyazetidines and 2-hydroxypyrrolidines. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.04.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
17
|
Zhang T, Cheng L, Hameed S, Liu L, Wang D, Chen YJ. Highly enantioselective Michael addition of 2-oxindoles to vinyl selenone in RTILs catalyzed by a Cinchona alkaloid-based thiourea. Chem Commun (Camb) 2011; 47:6644-6. [PMID: 21776615 DOI: 10.1039/c1cc10880h] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly enantioselective Michael addition of 2-oxindoles (1) to vinyl selenone (2) in RTILs catalyzed by a Cinchona alkaloid-based thiourea has been developed in high yields (80-91%) with excellent enantioselectivities (up to 95% ee).
Collapse
Affiliation(s)
- Tao Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | | | | | | | | | | |
Collapse
|
18
|
Sternativo S, Calandriello A, Costantino F, Testaferri L, Tiecco M, Marini F. A Highly Enantioselective One-Pot Synthesis of Spirolactones by an Organocatalyzed Michael Addition/Cyclization Sequence. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201104819] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
19
|
Sternativo S, Calandriello A, Costantino F, Testaferri L, Tiecco M, Marini F. A highly enantioselective one-pot synthesis of spirolactones by an organocatalyzed Michael addition/cyclization sequence. Angew Chem Int Ed Engl 2011; 50:9382-5. [PMID: 21858906 DOI: 10.1002/anie.201104819] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Indexed: 01/02/2023]
Affiliation(s)
- Silvia Sternativo
- Dip. Chimica e Tecnologia del Farmaco, Università di Perugia, Perugia, Italy
| | | | | | | | | | | |
Collapse
|
20
|
Denmark SE, Liu JHC, Muhuhi JM. Stereocontrolled total syntheses of isodomoic acids G and H via a unified strategy. J Org Chem 2011; 76:201-15. [PMID: 21121685 PMCID: PMC3076050 DOI: 10.1021/jo101790z] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Marine neuroexcitatory compounds isodomoic acids G and H were efficiently synthesized from a common intermediate using a silicon-based cross-coupling reaction. Dividing each target compound into the core fragment and the side-chain fragment enabled the synthesis to be convergent. The trans-2,3-disubstituted pyrrolidine core fragment was accessed through a diastereoselective rhodium-catalyzed carbonylative silylcarbocyclization reaction of a vinylglycine-derived 1,6-enyne. A stereochemically divergent desilylative iodination reaction was developed to convert the cyclization product to both E- and Z-alkenyl iodides, which would eventually lead to isodomoic acid G and isodomoic acid H, respectively. The late-stage alkenyl-alkenyl silicon-based cross-coupling reaction uniting the core alkenyl iodides and the side-chain alkenylsilanol was achieved under mild conditions. Finally, two mild deprotections afforded the target molecules.
Collapse
Affiliation(s)
- Scott E Denmark
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, USA.
| | | | | |
Collapse
|
21
|
Bagnoli L, Scarponi C, Rossi MG, Testaferri L, Tiecco M. Synthesis of enantiopure 1,4-dioxanes, morpholines, and piperazines from the reaction of chiral 1,2-diols, amino alcohols, and diamines with vinyl selenones. Chemistry 2010; 17:993-9. [PMID: 21226117 DOI: 10.1002/chem.201002593] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2010] [Indexed: 11/07/2022]
Abstract
The reactions of readily available vinyl selenones with enantiopure 1,2-diols, N-protected-1,2-aminoalcohols, and diamines gave substituted enantiopure 1,4-dioxanes, morpholines, and piperazines, respectively, in good to excellent yields. The same procedure was extended to the synthesis of thiomorpholine, benzodiazepine, and benzoxazepine. The reactions proceeded in one pot, in the presence of base, through a simple and novel application of the Michael-initiated, ring-closure (MIRC) reactions. The formed heterocycles constitute a framework that is observed in a large number of pharmaceutical compounds.
Collapse
Affiliation(s)
- Luana Bagnoli
- Dipartimento di Chimica e Tecnologia del Farmaco Sezione di Chimica Organica, Università di Perugia via del Liceo 1, Italy.
| | | | | | | | | |
Collapse
|
22
|
Tian F, Yao D, Liu Y, Xie F, Zhang W. Iridium‐Catalyzed Highly Enantioselective Hydrogenation of Exocyclic α,β‐Unsaturated Carbonyl Compounds. Adv Synth Catal 2010. [DOI: 10.1002/adsc.201000185] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Fengtao Tian
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China, Fax: (+86)‐21‐5474‐3265
| | - Dongmei Yao
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China, Fax: (+86)‐21‐5474‐3265
| | - Yuanyuan Liu
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China, Fax: (+86)‐21‐5474‐3265
| | - Fang Xie
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China, Fax: (+86)‐21‐5474‐3265
| | - Wanbin Zhang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China, Fax: (+86)‐21‐5474‐3265
| |
Collapse
|
23
|
Princival JL, de Oliveira MS, Dos Santos AA, Comasseto JV. A large-scale synthesis of enantiomerically pure γ-hydroxy-organochalcogenides. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.tetasy.2009.10.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
24
|
Abstract
The total syntheses of marine natural products belonging to the kainoid family, isodomoic acids G and H, are described. The strategic connection involves a sequential silylcarbocyclization/silicon-based cross-coupling process. These total syntheses were achieved efficiently via a 12- and a 13-step, longest-linear sequence, respectively. The key transformations include a diastereoselective rhodium-catalyzed carbonylative silylcarbocyclization reaction of an (l)-vinylglycine-derived 1,6-enyne, a desilylative iodination reaction, as well as an alkenyl-alkenyl silicon-based cross-coupling reaction. The mechanistic insight garnered during the investigation of the iododesilylation reaction enabled stereocontrolled introduction of the iodine with either inversion or retention of double bond configuration. The invertive desilylative iodination leads to the total synthesis of isodomoic acid H, while its congener, isodomoic acid G, was obtained via a retentive iododesilylation.
Collapse
Affiliation(s)
- Scott E Denmark
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, USA.
| | | | | |
Collapse
|
25
|
Marini F, Sternativo S, Del Verme F, Testaferri L, Tiecco M. A New Stereoselective Synthesis of Cyclopropanes Containing Quaternary Stereocentres via Organocatalytic Michael Addition to Vinyl Selenones. Adv Synth Catal 2009. [DOI: 10.1002/adsc.200900222] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
26
|
Marini F, Sternativo S, Del Verme F, Testaferri L, Tiecco M. Enantioselective Organocatalytic Michael Addition of α-Substituted Cyanoacetates to α,β-Unsaturated Selenones. Adv Synth Catal 2008. [DOI: 10.1002/adsc.200800592] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
27
|
Brandi A, Cicchi S, Cordero FM. Novel Syntheses of Azetidines and Azetidinones. Chem Rev 2008; 108:3988-4035. [DOI: 10.1021/cr800325e] [Citation(s) in RCA: 395] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Alberto Brandi
- Dipartimento di Chimica Organica “Ugo Schiff”, Laboratorio di Progettazione, Sintesi e Studio di Eterocicli Biologicamente Attivi - HeteroBioLab, Università degli Studi di Firenze, via della Lastruccia 13, 50019 Sesto F.no (FI), Italy
| | - Stefano Cicchi
- Dipartimento di Chimica Organica “Ugo Schiff”, Laboratorio di Progettazione, Sintesi e Studio di Eterocicli Biologicamente Attivi - HeteroBioLab, Università degli Studi di Firenze, via della Lastruccia 13, 50019 Sesto F.no (FI), Italy
| | - Franca M. Cordero
- Dipartimento di Chimica Organica “Ugo Schiff”, Laboratorio di Progettazione, Sintesi e Studio di Eterocicli Biologicamente Attivi - HeteroBioLab, Università degli Studi di Firenze, via della Lastruccia 13, 50019 Sesto F.no (FI), Italy
| |
Collapse
|