1
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Ilhan S, Atmaca H, Yilmaz ES, Korkmaz E, Zora M. N-Propargylic β-enaminones in breast cancer cells: Cytotoxicity, apoptosis, and cell cycle analyses. J Biochem Mol Toxicol 2023; 37:e23299. [PMID: 36647602 DOI: 10.1002/jbt.23299] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 10/30/2022] [Accepted: 01/05/2023] [Indexed: 01/18/2023]
Abstract
Breast cancer is one of the most common cancers worldwide and the discovery of new cytotoxic agents is needed. Enaminones are regarded to be a significant structural motif that is found in a variety of pharmacologically active compounds however the number of studies investigating the anticancer activities of N-propargylic β-enaminones (NPEs) is limited. Herein we investigated the potential cytotoxic and apoptotic effects of 23 different NPEs (1-23) on human breast cancer cells. Cytotoxicity was evaluated via MTT assay. Apoptotic cell death and cell cycle distributions were investigated by flow cytometry. CM-H2DCFDA dye was used to evaluate cellular ROS levels. Expression levels of Bcl-2, Bax, p21, and Cyclin D1 were measured by quantitative real-time PCR. ADME properties were calculated using the ADMET 2.0 tool. NPEs 4, 9, 16, and 21 showed selective cytotoxic activity against breast cancer cells with SI values >2. NPEs induced apoptosis and caused significant changes in Bcl-2 and Bax mRNA levels. The cell cycle was arrested at the G0/G1 phase and levels of p21 and Cyclin D1 were upregulated in both breast cancer cells. ROS levels were significantly increased by NPEs, suggesting that the cytotoxic and apoptotic effects of NPEs were mediated by ROS. ADME analysis revealed that NPEs showed favorable distributions in both breast cancer cell lines, meaning good lipophilicity values, low unfractionated values, and high bioavailability. Therefore, these potential anticancer compounds should be further validated by in vivo studies for their appropriate function in human health with a safety profile, and a comprehensive drug interaction study should be performed.
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Affiliation(s)
- Suleyman Ilhan
- Department of Biology, Faculty of Science and Letters, Celal Bayar University, Manisa, Turkey
| | - Harika Atmaca
- Department of Biology, Faculty of Science and Letters, Celal Bayar University, Manisa, Turkey
| | - Elif Serel Yilmaz
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Esra Korkmaz
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Metin Zora
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
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2
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Wu YX, Wu SY, Dong ZB. Green and Practical Synthesis of Thioenamines and Chromones via Iodine-Catalyzed Cross-Dehydrogenation Coupling Reaction. J Org Chem 2022; 87:15350-15357. [DOI: 10.1021/acs.joc.2c01924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yue-Xiao Wu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Shi-Ya Wu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Zhi-Bing Dong
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
- Hubei Key Laboratory of Biologic Resources Protection and Utilization, Hubei Minzu University, Enshi 445000, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
- Key Laboratory of Green Chemical Process, Ministry of Education, Wuhan Institute of Technology, Wuhan 430205, China
- Engineering Research Center of Phosphorus Resources Development and Utilization, Ministry of Education, Wuhan Institute of Technology, Wuhan 430205, China
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3
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Atmaca H, Ilhan S, Korkmaz E, Zora M. Endoplasmic Reticulum Stress-Induced Apoptotic Effects of Novel 1-Pyrroline (3,4-Dihydro-2H-pyrrole) Derivatives on Breast Cancer Cells. Chem Biodivers 2022; 19:e202200123. [PMID: 35785434 DOI: 10.1002/cbdv.202200123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 06/17/2022] [Indexed: 11/11/2022]
Abstract
Heterocyclic compounds have emerged as promising and appealing scaffolds for developing effective antitumor agents. Here, the effects of synthesized 24 different 1-pyrroline derivatives (PDs) containing substituted aryl sulfide moiety were investigated on human breast cancer cell lines. The viability of cells was assessed via MTT assay. Reactive oxygen species (ROS) generation was analyzed via fluorescent dye CM-H2DCFDA. Apoptotic cells were determined via flow cytometry. Endoplasmic reticulum (ER) stress-associated protein levels were analyzed via western blot analysis. Four of the PDs (PD-12, -14, -16 and -17) had great cytotoxic selectivity against breast cancer cells. Apoptotic cell death was induced by PDs via the generation of ROS. PDs significantly increased the GRP78, p-PEAK, p-eIF2α, and CHOP protein levels indicating ER stress in breast cancer cells. These results imply that newly synthesized PDs may be potential anticancer agents as they selectively inhibit breast cancer cells.
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Affiliation(s)
- Harika Atmaca
- Department of Biology, Faculty of Science and Letters, Celal Bayar University, 45140, Manisa, Turkey
| | - Suleyman Ilhan
- Department of Biology, Faculty of Science and Letters, Celal Bayar University, 45140, Manisa, Turkey
| | - Esra Korkmaz
- Department of Chemistry, Middle East Technical University, 06800, Ankara, Turkey
| | - Metin Zora
- Department of Chemistry, Middle East Technical University, 06800, Ankara, Turkey
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4
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Filippov IP, Novikov MS, Khlebnikov AF, Rostovskii NV. One-Pot Synthesis of Multifunctionalized 1-Pyrrolines from 2-Alkyl-2 H-azirines and Diazocarbonyl Compounds. J Org Chem 2022; 87:8835-8840. [PMID: 35732058 DOI: 10.1021/acs.joc.2c00977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
A novel strategy for the synthesis of 1-pyrrolines based on formal [4 + 1] annulation of 2-alkyl-2H-azirines with diazocarbonyl compounds has been developed. This one-pot approach includes the Rh(II)-catalyzed formation of 4-alkyl-2-azabuta-1,3-dienes, followed by the DBU-promoted cyclization, and features a good substrate tolerance. The 1-pyrrolines containing an ester group at the C3 were prepared in a three-step one-pot procedure starting from 5-alkoxyisoxazoles. The cyclization of 2-azabutadienes to 1-pyrrolines most likely proceeds via the 6π electrocyclization of a conjugated NH-azomethine ylide.
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Affiliation(s)
- Ilya P Filippov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034, Russia
| | - Mikhail S Novikov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034, Russia
| | - Alexander F Khlebnikov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034, Russia
| | - Nikolai V Rostovskii
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034, Russia
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5
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Wu H, Luo T, Wan JP, Jiang J, Liu Y. Nickel‐Catalyzed Tandem Ring Contraction of TEMPO and C‐N Bond Transamination of Enaminones toward Amino Diversity of Enaminones. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Haozhi Wu
- Jiangxi Normal University College of Chemistry and Chemical Engineering CHINA
| | - Tian Luo
- Jiangxi Normal University College of Chemistry and Chemical Engineering CHINA
| | - Jie-Ping Wan
- Jiangxi Normal University College of Chemistry and Chemical Engineering CHINA
| | - Jianwen Jiang
- Jiangxi Normal University College of Chemistry and Chemical Engineering CHINA
| | - Yunyun Liu
- Jiangxi Normal University College of Chemistry and Chemical Engineering 99 Ziyang Road 330022 Nanchang CHINA
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6
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Zhang Y, Luo M, Zhang Y, Cheng K, Li Y, Qi C, Shen R, Wang H. CuCl 2·2H 2O/TBHP mediated synthesis of β-enaminones via coupling reaction of vinyl azides with aldehydes. Org Biomol Chem 2022; 20:1952-1957. [PMID: 35170603 DOI: 10.1039/d1ob02479e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile and efficient oxidative functionalization of vinyl azides with aldehydes furnishing a diverse array of β-acylated enaminones was developed. The cross coupling was accomplished in the presence of CuCl2·2H2O/TBHP and produced the desired β-acylated enaminones in a (Z)-stereo-selective and atom-economic manner, which make this protocol particularly attractive. In the transformation, the new C-C and C-N bonds were formed via a one-pot strategy including the process of radical addition and recombination.
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Affiliation(s)
- Yaohong Zhang
- School of Chemistry and Chemical Engineering, School of Life Science, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, P. R. China.
| | - Mengqiang Luo
- School of Chemistry and Chemical Engineering, School of Life Science, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, P. R. China. .,School of Chemistry and Chemical Engineering, Zhejiang Engineering Research Center of Fat-soluble Vitamin, Shaoxing University, Shaoxing, 312000, Zhejiang, P. R. China
| | - Yichan Zhang
- Department of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, 224051, Jiangsu, P. R. China
| | - Kai Cheng
- School of Chemistry and Chemical Engineering, School of Life Science, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, P. R. China.
| | - Yong Li
- School of Chemistry and Chemical Engineering, School of Life Science, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, P. R. China.
| | - Chenze Qi
- School of Chemistry and Chemical Engineering, School of Life Science, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, P. R. China.
| | - Runpu Shen
- School of Chemistry and Chemical Engineering, Zhejiang Engineering Research Center of Fat-soluble Vitamin, Shaoxing University, Shaoxing, 312000, Zhejiang, P. R. China
| | - Hai Wang
- School of Chemistry and Chemical Engineering, School of Life Science, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, P. R. China.
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7
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Golantsov NE, Golubenkova AS, Festa AA, Varlamov AV, Voskressensky LG. Assembly of 1,2,3,4-Tetrahydropyrrolo[1,2- a]pyrazines via the Domino Reaction of 2-Imidazolines and Terminal Electron-Deficient Alkynes. J Org Chem 2022; 87:3242-3253. [PMID: 35049314 DOI: 10.1021/acs.joc.1c02930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The transformation of 2-imidazolines into 1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazines has been realized. A pseudo-three-component reaction of 2-imidazolines with terminal electron-deficient alkynes (2 equiv) first generates imidazolidines, containing an N-vinylpropargylamine fragment. The latter can then undergo a base-catalyzed domino aza-Claisen rearrangement/cyclization reaction sequence, simultaneously constructing pyrrole and pyrazine rings. The process works in a broad substrate scope, delivering pyrrolo[1,2-a]pyrazines in good to excellent yields (45-90%). This two-step approach can be carried out in a one-pot fashion without a noticeable decrease in yield. Remarkably, a three-component protocol for the introduction of two different alkynes has been also developed.
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Affiliation(s)
- Nikita E Golantsov
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Alexandra S Golubenkova
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Alexey A Festa
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Alexey V Varlamov
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Leonid G Voskressensky
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
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8
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Dundar BA, Zora M. A facile synthesis of a novel family of heterotricyclic hybrids: Spiro-pyrrolopyridazines. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2021.2024575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Buse Aysen Dundar
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Metin Zora
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
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9
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Pei S, Yang J, Wang J, Yuan K, Li Z. Ultrasound-assisted synthesis of β-enaminone derivatives via Tin(Ⅳ)-catalyzed addition reaction from β-dicarbonyl compounds with nitriles. LETT ORG CHEM 2021. [DOI: 10.2174/1570178619666211221141854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
An efficient and eco-friendly approach for the synthesis of β-enaminone derivatives is described, which is through the addition of nitriles with β-dicarbonyl compounds under ultrasound irradiation condition at room temperature. The scope and limitation of this strategy are also discussed. A variety of substituted amides can be obtained in moderate to good yields. We hope that this protocol for the efficient synthesis of β-enaminones will offer insights in further investigations.
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Affiliation(s)
- Shuchen Pei
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
| | - Jinhua Yang
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
| | - Jieyu Wang
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
| | - Kangyao Yuan
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
| | - Ziqiang Li
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
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10
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Li W, Liu R, Li R, Wang S, Li D, Yang J. Catalyst‐Free and Oxidant‐Free Cascade Difluoroalkylation and Controllable C−F Bond Activation of Aryl Enol Acetates for the Synthesis of β‐Fluoroenones and β‐Enaminones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100681] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wenshuang Li
- School of Chemistry and Chemical Engineering Ningxia University 489 Helanshan West Road Yinchuan 750021 People's Republic of China
| | - Ruyan Liu
- School of Chemistry and Chemical Engineering Ningxia University 489 Helanshan West Road Yinchuan 750021 People's Republic of China
| | - Ruonan Li
- School of Chemistry and Chemical Engineering Ningxia University 489 Helanshan West Road Yinchuan 750021 People's Republic of China
| | - Shihaozhi Wang
- School of Chemistry and Chemical Engineering Ningxia University 489 Helanshan West Road Yinchuan 750021 People's Republic of China
| | - Dianjun Li
- State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering School of Chemistry and Chemical Engineering Ningxia University 489 Helanshan West Road Yinchuan 750021 People's Republic of China
- School of Chemistry and Chemical Engineering Ningxia University 489 Helanshan West Road Yinchuan 750021 People's Republic of China
| | - Jinhui Yang
- State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering School of Chemistry and Chemical Engineering Ningxia University 489 Helanshan West Road Yinchuan 750021 People's Republic of China
- School of Chemistry and Chemical Engineering Ningxia University 489 Helanshan West Road Yinchuan 750021 People's Republic of China
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11
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Liu T, Wan JP, Liu Y. Metal-free enaminone C-N bond cyanation for the stereoselective synthesis of ( E)- and ( Z)-β-cyano enones. Chem Commun (Camb) 2021; 57:9112-9115. [PMID: 34498638 DOI: 10.1039/d1cc03292e] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A highly practical method for C-CN bond formation by C-N bond cleavage on enaminones leading to the efficient synthesis of β-cyano enones is developed. The reactions take place efficiently to provide (E)-β-cyano enones with only a molecular iodine catalyst. In addition, the additional employment of oxalic acid enables the selective synthesis of (Z)-β-cyano enones.
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Affiliation(s)
- Ting Liu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Jie-Ping Wan
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Yunyun Liu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
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12
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Tian Q, Xiao S, Cheng G. Base‐Promoted
Synthesis of
3‐Alkenyl
‐2‐pyridones from
N
‐Propargyl
‐β‐enaminones and Aryl Aldehydes. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100331] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Qingyu Tian
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, Instrumental Analysis Center, Huaqiao University Xiamen Fujian 361021 China
| | - Shangyun Xiao
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, Instrumental Analysis Center, Huaqiao University Xiamen Fujian 361021 China
| | - Guolin Cheng
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, Instrumental Analysis Center, Huaqiao University Xiamen Fujian 361021 China
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13
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Xu Z, Fu L, Fang X, Huang B, Zhou L, Wan JP. Tunable Trifunctionalization of Tertiary Enaminones for the Regioselective and Metal-Free Synthesis of Discrete and Proximal Phosphoryl Nitriles. Org Lett 2021; 23:5049-5053. [PMID: 34137270 DOI: 10.1021/acs.orglett.1c01581] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This paper reports an unprecedented trifunctionalization of tertiary enaminones for the synthesis phosphoryl nitriles by the reactions of enaminones with diarylphosphine oxides and trimethylsilyl cyanide (TMSCN) without the use of any metal reagent. Employing tetrabutyl ammonium hydroxide (TBAH) as the catalyst (0.2 equiv) enables discrete cyanophosphonation. On the other hand, selective proximal cyanophosphonation has been realized in the presence of acetic acid only (AcOH).
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Affiliation(s)
- Zhongrong Xu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Leiqing Fu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Xia Fang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Bin Huang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Liyun Zhou
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Jie-Ping Wan
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
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14
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Kanova N, Dundar BA, Kelgokmen Y, Zora M. One-Pot Synthesis of 2-Acetyl-1 H-pyrroles from N-Propargylic β-Enaminones via Intermediacy of 1,4-Oxazepines. J Org Chem 2021; 86:6289-6304. [PMID: 33872009 DOI: 10.1021/acs.joc.1c00077] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A one-pot two-step protocol for the synthesis of 2-acetyl-1H-pyrroles from N-propargylic β-enaminones was described. When treated with zinc chloride in refluxing chloroform, N-propargylic β-enaminones produced in situ 2-methylene-2,3-dihydro-1,4-oxazepines, which, upon further refluxing in methanol with zinc chloride, afforded 2-acetyl-1H-pyrroles. The process was found to be general for a wide variety of N-propargylic β-enaminones and yielded a diverse range of 2-acetyl-1H-pyrroles in good to high yields with large substrate scope and good functional group tolerance. This operationally easy method may provide a rapid access to functionalized 2-acetyl-1H-pyrroles of pharmacological interest.
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Affiliation(s)
- Nilay Kanova
- Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
| | - Buse Aysen Dundar
- Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
| | - Yilmaz Kelgokmen
- Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
| | - Metin Zora
- Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
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15
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Yilmaz ES, Zora M. A facile one-pot synthesis of 2-(prop-2-yn-1-ylidene)-2,3-dihydro-1,4-thiazepines. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1850795] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Elif Serel Yilmaz
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Metin Zora
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
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16
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Ibis O, Zora M. A facile synthesis of 6-chloro-2-methylene-2,3-dihydro-1,4-oxazepines from N-propargylic β-enaminones. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131650] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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17
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Kelgokmen Y, Korkmaz E, Zora M. A facile synthesis of 6-[(4-nitrophenyl)thio]-substituted 2-methylene-2,3-dihydro-1,4-oxazepines from N-propargylic β-enaminones. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1837171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yilmaz Kelgokmen
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Esra Korkmaz
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Metin Zora
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
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