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Kondo Y, Hirazawa Y, Kadota T, Yamada K, Morisaki K, Morimoto H, Ohshima T. One-Pot Catalytic Synthesis of α-Tetrasubstituted Amino Acid Derivatives via In Situ Generation of N-Unsubstituted Ketimines. Org Lett 2022; 24:6594-6598. [PMID: 36053018 DOI: 10.1021/acs.orglett.2c02587] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A one-pot catalytic synthesis of α-tetrasubstituted amino acid derivatives via in situ generation of N-unsubstituted ketimines is reported. Because of the irreversible formation of N-unsubstituted ketimines, the yields were higher than those generated under the conventional one-pot reaction conditions. This process prevents the need to isolate unstable N-unsubstituted ketimines with alkyl substituents and streamlines the synthesis of highly congested α-amino acid derivatives.
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Affiliation(s)
- Yuta Kondo
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yoshinobu Hirazawa
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Tetsuya Kadota
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Koki Yamada
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Kazuhiro Morisaki
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
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2
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Kadota T, Sawa M, Kondo Y, Morimoto H, Ohshima T. Catalytic Enantioselective Strecker Reaction of Isatin-Derived N-Unsubstituted Ketimines. Org Lett 2021; 23:4553-4558. [PMID: 34029103 DOI: 10.1021/acs.orglett.1c01194] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A catalytic enantioselective Strecker reaction of isatin-derived N-unsubstituted ketimines directly afforded the N-unprotected α-aminonitriles with a tetrasubstituted carbon stereocenter in up to 99% ee without requiring protection/deprotection steps. One-pot Strecker reactions from the parent carbonyl compounds were also realized with comparable yields and enantioselectivities. Direct transformations of the N-unprotected α-aminonitrile products streamlined the synthesis of unnatural amino acid derivatives and achieved the shortest one-pot stereoselective routes to a biologically active compound reported to date.
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Affiliation(s)
- Tetsuya Kadota
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1 Higashi-ku, Fukuoka 812-8582, Japan
| | - Masanao Sawa
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1 Higashi-ku, Fukuoka 812-8582, Japan
| | - Yuta Kondo
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1 Higashi-ku, Fukuoka 812-8582, Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1 Higashi-ku, Fukuoka 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1 Higashi-ku, Fukuoka 812-8582, Japan
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3
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Terashima K, Kawasaki-Takasuka T, Yamazaki T. Construction of fully substituted carbon centers containing a heteroatom and a CF 3 group via in situ generated p-quinone methides. Org Biomol Chem 2021; 19:1305-1314. [PMID: 33503080 DOI: 10.1039/d0ob02469d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
1,6-Conjugate additions of in situ generated δ-CF3-δ-substituted p-quinone methides have been achieved with a variety of heteronucleophiles under mild conditions, which led to facile and practical construction of fully substituted carbon centers including a heteroatom and a CF3 group. In particular, it was revealed that some amines themselves worked for efficient cleavage of the TBS protective group, and addition of a catalytic amount of an appropriate Brønsted acid was found to sometimes improve the progress of the desired process.
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Affiliation(s)
- Kyu Terashima
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan.
| | - Tomoko Kawasaki-Takasuka
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan.
| | - Takashi Yamazaki
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan.
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4
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Morisaki K, Morimoto H, Ohshima T. Recent Progress on Catalytic Addition Reactions to N-Unsubstituted Imines. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01212] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kazuhiro Morisaki
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
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5
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Li QH, Li ZF, Tao J, Li WF, Ren LQ, Li Q, Peng YG, Liu TL. Titanium-Catalyzed Cyano-Borrowing Reaction for the Direct Amination of Cyanohydrins with Ammonia. Org Lett 2019; 21:8429-8433. [PMID: 31592676 DOI: 10.1021/acs.orglett.9b03194] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
α-Aminonitrile was an important building block in natural products and key intermedia in organic chemistry. Herein, the direct amination of cyanohydrins with the partner of ammonia to synthesis N-unprotected α-aminonitriles is developed. The reaction proceeds via titanium-catalyzed cyano-borrowing reaction, which features high atom economy and simple operation. A broad range of ketone or aldehyde cyanohydrins was tolerated with ammonia, and the N-unprotected α-aminonitriles were synthesis with moderate to high yields under mild reaction conditions.
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Affiliation(s)
- Qing-Hua Li
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Zhao-Feng Li
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Jing Tao
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Wan-Fang Li
- College of Science , University of Shanghai for Science and Technology , Shanghai 200093 , China
| | - Li-Qing Ren
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Qian Li
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Yun-Gui Peng
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Tang-Lin Liu
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
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6
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Miyagawa M, Yoshida M, Kiyota Y, Akiyama T. Enantioselective Friedel–Crafts Alkylation Reaction of Heteroarenes with N‐Unprotected Trifluoromethyl Ketimines by Means of Chiral Phosphoric Acid. Chemistry 2019; 25:5677-5681. [DOI: 10.1002/chem.201901020] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Indexed: 02/04/2023]
Affiliation(s)
- Masamichi Miyagawa
- Department of ChemistryFaculty of ScienceGakushuin University, Mejiro Toshima-ku Tokyo 171-8588 Japan
| | - Masaru Yoshida
- Department of ChemistryFaculty of ScienceGakushuin University, Mejiro Toshima-ku Tokyo 171-8588 Japan
| | - Yuki Kiyota
- Department of ChemistryFaculty of ScienceGakushuin University, Mejiro Toshima-ku Tokyo 171-8588 Japan
| | - Takahiko Akiyama
- Department of ChemistryFaculty of ScienceGakushuin University, Mejiro Toshima-ku Tokyo 171-8588 Japan
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7
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Sun K, Yuan BH, Hu Y, Sun XW, Lin GQ. An efficient access to N-tert-butanesulfinyl aldimines in water: Application to one-pot synthesis of homoallylic amines, (+)-crispine A and (−)-coniine. JOURNAL OF SAUDI CHEMICAL SOCIETY 2018. [DOI: 10.1016/j.jscs.2017.11.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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8
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Sawa M, Miyazaki S, Yonesaki R, Morimoto H, Ohshima T. Catalytic Enantioselective Decarboxylative Mannich-Type Reaction of N-Unprotected Isatin-Derived Ketimines. Org Lett 2018; 20:5393-5397. [DOI: 10.1021/acs.orglett.8b02306] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Masanao Sawa
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi,
Higashi-ku, Fukuoka 812-8582, Japan
| | - Shotaro Miyazaki
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi,
Higashi-ku, Fukuoka 812-8582, Japan
| | - Ryohei Yonesaki
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi,
Higashi-ku, Fukuoka 812-8582, Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi,
Higashi-ku, Fukuoka 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi,
Higashi-ku, Fukuoka 812-8582, Japan
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9
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Regio- and diastereoselective Reformatsky reaction of chiral fluoroalkyl α,β-unsaturated N - tert -butanesulfinyl ketimines: Efficient asymmetric synthesis of β-fluoroalkyl β-vinyl β-amino esters. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.05.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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10
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Sawa M, Morisaki K, Kondo Y, Morimoto H, Ohshima T. Direct Access to N-Unprotected α- and/or β-Tetrasubstituted Amino Acid Esters via Direct Catalytic Mannich-Type Reactions Using N-Unprotected Trifluoromethyl Ketimines. Chemistry 2017; 23:17022-17028. [PMID: 28950035 DOI: 10.1002/chem.201703516] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Indexed: 11/08/2022]
Abstract
Direct catalytic C-C bond-forming addition to N-unprotected ketimines is an efficient and straightforward method of synthesizing N-unprotected tetrasubstituted amines that eliminates prior protection/deprotection steps and allows facile transformation of the products. Despite its advantages, however, N-unprotected ketimines have difficulties in C-C bond-forming reactions, and only a limited number of reactions and substrates are reported compared with their N-protected counterparts. Herein we report that N-unprotected trifluoromethyl ketimines are effective for C-C bond-forming reactions using Mannich-type reactions as a model case. We demonstrate that Lewis acid catalysis was effective for promoting reactions with various N-unprotected trifluoromethyl ketimines, and thiourea organocatalysis was effective for promoting highly enantioselective reactions with various carbonyl nucleophiles, providing direct access to various N-unprotected α- and/or β-tetrasubstituted amino acid esters. Furthermore, direct construction of vicinal tetrasubstituted chiral carbon stereocenters was achieved for the first time in a highly enantio- and diastereoselective manner. These results demonstrate the potential of N-unprotected ketimines as substrates applicable to many other addition reactions.
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Affiliation(s)
- Masanao Sawa
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Kazuhiro Morisaki
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yuta Kondo
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
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11
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Morisaki K, Morimoto H, Ohshima T. Direct access to N-unprotected tetrasubstituted propargylamines via direct catalytic alkynylation of N-unprotected trifluoromethyl ketimines. Chem Commun (Camb) 2017; 53:6319-6322. [DOI: 10.1039/c7cc02194a] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Direct catalytic alkynylation of N-unprotected trifluoromethyl ketimines allowed an unprecedented direct access to N-unprotected α-tetrasubstituted primary amines without additional deprotection steps.
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Affiliation(s)
- Kazuhiro Morisaki
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1 Higashi-ku
- Fukuoka
- Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1 Higashi-ku
- Fukuoka
- Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1 Higashi-ku
- Fukuoka
- Japan
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12
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Kwon Y, Jeon M, Park JY, Rhee YH, Park J. Synthesis of 1H-azadienes and application to one-pot organic transformations. RSC Adv 2016. [DOI: 10.1039/c5ra26230e] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
1H-Azadienes were synthesized from allyl azides by ruthenium catalysis under mild and neutral conditions. Applications of the 1H-azadienes were demonstrated for the one-pot synthesis of nitrogen containing organic compounds.
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Affiliation(s)
- Yearang Kwon
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang
- Korea
| | - Mina Jeon
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang
- Korea
| | - Jin Yong Park
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang
- Korea
| | - Young Ho Rhee
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang
- Korea
| | - Jaiwook Park
- Department of Chemistry
- POSTECH (Pohang University of Science and Technology)
- Pohang
- Korea
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13
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Sukach VA, Resetnic AA, Tkachuk VM, Lin Z, Kortz U, Vovk MV, Röschenthaler GV. Synthesis of Trifluoromethylated Analogues of 4,5-Dihydroorotic Acid. European J Org Chem 2015. [DOI: 10.1002/ejoc.201403495] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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14
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One-pot, three-component cascade synthesis of new tetrasubstituted pyrroles by coupling reaction of 2-functionally substituted 2-alkenals, amines, and nitroethane. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.08.040] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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15
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Cardoso AL, Lemos A, Pinho e Melo TMVD. Selective Synthesis of Tetrasubstituted 4-(Tetrazol-5-yl)-1H-imidazoles from 2-(Tetrazol-5-yl)-2H-azirines. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402559] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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16
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Calow ADJ, Carbó JJ, Cid J, Fernández E, Whiting A. Understanding α,β-Unsaturated Imine Formation from Amine Additions to α,β-Unsaturated Aldehydes and Ketones: An Analytical and Theoretical Investigation. J Org Chem 2014; 79:5163-72. [DOI: 10.1021/jo5007366] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Adam D. J. Calow
- Centre
for Sustainable Chemical Processes, Department of Chemistry, Science
Laboratories, Durham University, South Road, Durham DH1 3LE, U.K
| | - Jorge J. Carbó
- Departament
Química Física I Inorgànica, University Rovira I Virgili, C/Marcel.lí Domingo s/n, 43007 Tarragona, Spain
| | - Jessica Cid
- Departament
Química Física I Inorgànica, University Rovira I Virgili, C/Marcel.lí Domingo s/n, 43007 Tarragona, Spain
| | - Elena Fernández
- Departament
Química Física I Inorgànica, University Rovira I Virgili, C/Marcel.lí Domingo s/n, 43007 Tarragona, Spain
| | - Andrew Whiting
- Centre
for Sustainable Chemical Processes, Department of Chemistry, Science
Laboratories, Durham University, South Road, Durham DH1 3LE, U.K
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17
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Fernández de Trocóniz G, Ochoa de Retana AM, Rubiales G, Palacios F. Fluoroalkylated α,β-Unsaturated Imines as Synthons for the Preparation of Fluorinated Triazinane-2,4-diones and Dihydropyrimidin-2(1H)-ones. J Org Chem 2014; 79:5173-81. [DOI: 10.1021/jo500745u] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Guillermo Fernández de Trocóniz
- Departamento de Química
Orgánica I and Centro de Investigacion Lascaray (Lascaray Research
Center) Facultad de Farmacia, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria, Spain
| | - Ana M. Ochoa de Retana
- Departamento de Química
Orgánica I and Centro de Investigacion Lascaray (Lascaray Research
Center) Facultad de Farmacia, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria, Spain
| | - Gloria Rubiales
- Departamento de Química
Orgánica I and Centro de Investigacion Lascaray (Lascaray Research
Center) Facultad de Farmacia, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria, Spain
| | - Francisco Palacios
- Departamento de Química
Orgánica I and Centro de Investigacion Lascaray (Lascaray Research
Center) Facultad de Farmacia, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria, Spain
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18
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Espinosa M, Blay G, Cardona L, Pedro JR. Asymmetric Conjugate Addition of Malonate Esters to α,β-UnsaturatedN-Sulfonyl Imines: An Expeditious Route to Chiral δ-Aminoesters and Piperidones. Chemistry 2013; 19:14861-6. [DOI: 10.1002/chem.201302687] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Indexed: 01/02/2023]
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19
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Fernández de Trocóniz G, Ochoa de Retana AM, Pascual S, Ezpeleta JM, Palacios F. Regioselective Conjugate Addition of Nitriles to α,β-Unsaturated Imines: Synthesis of Fluorinated Primary Enamines and 2-Aminopyridine Derivatives. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300580] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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20
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Lopes SMM, Brigas AF, Palacios F, Lemos A, Pinho e Melo TMVD. [4+2] Cycloadditions of 3-Tetrazolyl-1,2-diaza-1,3-butadienes: Synthesis of 3-Tetrazolyl-1,4,5,6-tetrahydropyridazines. European J Org Chem 2012. [DOI: 10.1002/ejoc.201101826] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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