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1. Studies with 3-oxoalkanenitriles: novel rearrangements observed while exploring the utility of 3-(1-methyl-2-pyrrolyl)-3-oxopropanenitrile as a precursor to pyrrole-substituted heterocyclic compounds (12-6808SP)
Hamad M. Al-Matar, Aisha Y. Adam, Khaled D. Khalil and Mohamed H. Elnagdi
DOI: https://doi.org/10.3998/ark.5550190.0013.601
Full Text: PDF (601K)
pp. 1 - 15
received Aug 3 2011; accepted Nov 18 2011; published Jan 3 2012;
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2. Et3N-promoted sequential reactions for the synthesis of 6H-benzo[c]chromenes (12-6840UP)
Wan-Li Chen, Jiao Li, Ying-Hong Zhu, Wei Hu and Wei-Min Mo
DOI: https://doi.org/10.3998/ark.5550190.0013.602
Full Text: PDF (425K)
pp. 16 - 25
received Aug 15 2011; accepted Oct 8 2011; published Dec 18 2011;
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3. Synthesis and acaricidal activity of cyenopyrafen and its geometric isomer (12-6851JP)
Haibo Yu, Man Xu, Yan Chen, Hongfei Wu, Yanmei Luo and Bin Li
DOI: https://doi.org/10.3998/ark.5550190.0013.603
Full Text: PDF (459K)
pp. 26 - 34
received Aug 18 2011; accepted Nov 5 2011; published Jan 7 2012;
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4. Mode of alkylation of alcohols with O-cyclopropylmethyl trichloroacetimidate and O-cyclobutyl trichloroacetimidate (12-7020HP)
Ibrahim A. I. Ali, Xiangming Zhu, Es Sayed H. El Ashry and Richard R. Schmidt
DOI: https://doi.org/10.3998/ark.5550190.0013.604
Full Text: PDF (231K)
pp. 35 - 44
received Oct 14 2011; accepted Nov 27 2011; published Jan 7 2012;
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5. An expeditious construction of 3-aryl-5-(substituted methyl)-2-oxazolidinones: a short and efficient synthesis of Linezolid (12-6209RP)
Rajesh Tammana, Kiran K. Vemula, Ramadasu Guruvindapalli, Ramesh Yanamandra and Madhusudhan Gutta
DOI: https://doi.org/10.3998/ark.5550190.0013.605
Full Text: PDF (324K)
pp. 45 - 56
received Dec 26 2010; accepted Dec 17 2011; published Jan 16 2012;
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6. Synthesis of new pentaheterocyclic ring system as antiandrogene, anti HCV and anti H1N1 agents (12-6694KP)
Thoraya A. Farghaly, Ikhlass M. Abbas, Mohamed M. Abdalla and Raghda O. A. Mahgoub
DOI: https://doi.org/10.3998/ark.5550190.0013.606
Full Text: PDF (423K)
pp. 57 - 70
received Jun 20 2011; accepted Nov 27 2011; published Jan 22 2012;
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7. Chemical derivatization of Phomosine A, a highly antifungal secondary metabolite from Phonopsis sp. (12-6594MP)
Karsten Krohn, Hidayat Hussain, Hans Egold, Barbara Schulz, Ivan Green
DOI: https://doi.org/10.3998/ark.5550190.0013.607
Full Text: PDF (615K)
pp. 71 - 89
received May 11 2011; accepted Oct 1 2011; published Jan 24 2012;
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8. Synthesis of 3-OH free N-acetyl glucosamine disaccharide (12-7003HP)
Ramu Enugala and Maria M. Marques
DOI: https://doi.org/10.3998/ark.5550190.0013.608
Full Text: PDF (501K)
pp. 90 - 100
received Oct 10 2011; accepted Nov 27 2011; published Feb 5 2012;
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9. Hydroxy-L-prolines as asymmetric catalysts for aldol, Michael addition and Mannich reactions (12-6924UP)
Loay Ahmed Al-Momani
DOI: https://doi.org/10.3998/ark.5550190.0013.609
Full Text: PDF (500K)
pp. 101 - 111
received Sep 17 2011; accepted Nov 19 2011; published Feb 11 2012;
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10. Claisen rearrangement route to novel electron-rich perylene dyes (12-6835QP)
Djan Baffoe, Terrill D. Smith, Mark A. Penick, Mathew P. D. Mahindaratne, Lorenzo Brancaleon and George R. Negrete
DOI: https://doi.org/10.3998/ark.5550190.0013.610
Full Text: PDF (225K)
pp. 112 - 118
received Aug 11 2011; accepted Dec 27 2011; published Feb 11 2012;
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11. Formation of a benzothiazine via the reaction of ortho-halo sulfoximines with copper salts (12-6823IP)
Aswinkumar Garimallaprabhakaran, Xuechuan Hong and Michael Harmata
DOI: https://doi.org/10.3998/ark.5550190.0013.611
Full Text: PDF (414K)
pp. 119 - 128
received Aug 8 2011; accepted Jan 27 2012; published Feb 19 2012;
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12. Copper-catalyzed one-pot synthesis of 2H-1,4-benzoxazin-3-(4H)-ones from 2-(o-haloaryloxy)acyl chlorides and primary amines (12-6879ZP)
Qunxian Hu, Ziming Xia, Ling Fan, Jiening Zheng, Xiaoxia Wang and Xin Lv
DOI: https://doi.org/10.3998/ark.5550190.0013.612
Full Text: PDF (553K)
pp. 129 - 142
received Aug 31 2011; accepted Nov 27 2011; published Feb 23 2012;
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13. Some new derivatives of 5-aryl-, 2,5-diaryl- and 2-ethoxycarbonyl-5-aryl-indoles (12-6844UP)
Ioseb S. Chikvaidze, Nana N. Barbakadze, Shota A. Samsoniya
DOI: https://doi.org/10.3998/ark.5550190.0013.613
Full Text: PDF (404K)
pp. 143 - 154
received Aug 16 2011; accepted Jan 19 2012; published Feb 28 2012;
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14. Synthesis and charge-transfer complexation studies on bis(aminomethyl) m-terphenyl based bis-oxy cyclophanes with intra-annular amide functionality (12-6902QP)
Perumal Rajakumar and Ramar Padmanabhan
DOI: https://doi.org/10.3998/ark.5550190.0013.614
Full Text: PDF (319K)
Supplementary Material: PDF (39K)
pp. 155 - 163
received Sep 8 2011; accepted Dec 10 2011; published Mar 18 2012;
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15. Highly regioselective Heck-Mizoroki reaction catalyzed by Pd/phosphine ligand in DMSO/[bmim][BF4] under microwave irradiation (12-6951SP)
Zhonggao Zhou, Yongrong Xie, Ziyi Du, Qiaosheng Hu, Jun Xue and Jicheng Shi
DOI: https://doi.org/10.3998/ark.5550190.0013.615
Full Text: PDF (275K)
pp. 164 - 172
received Sep 27 2011; accepted Dec 10 2011; published Mar 18 2012;
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16. Nitroaromatic bis(2-hydroxyethyl)dithioacetals and oxathioacetals using 2-mercaptoethanol in the presence of chlorosilanes (12-6539IP)
Lyubov Konstantinovna Papernaya, Alexandra Аlexandrovna Shatrova, Alexander Ivanovich Albanov, Lyudmila Vasil'evna Klyba and Galina Grigor'ievna Levkovskaya
DOI: https://doi.org/10.3998/ark.5550190.0013.616
Full Text: PDF (406K)
pp. 173 - 184
received Apr 22 2011; accepted Dec 10 2011; published Mar 18 2012;
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17. Synthesis of esters derived from 2,3,4-tri-O-benzyl-alpha-D-methylglucoside (12-6433RP)
Tiago A.D. Pinto, Radim Hrdina, Gilbert Kirsch, Ana M.F. Oliveira-Campos, Lígia M. Rodrigues and Ana P. Esteves
DOI: https://doi.org/10.3998/ark.5550190.0013.617
Full Text: PDF (384K)
pp. 185 - 193
received Mar 16 2011; accepted Dec 17 2011; published Mar 18 2012;
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18. Five- and six–membered cyclic α-acylvinyl anionic synthons: synthesis of α-trimethylsilyl-α,β-unsaturated cycloalkenones and their conversion into 2-(hydroxydimethylsilyl)cycloalk-2-enones through carbon–silicon bond scission (12-6880JP)
Divya Jyothi and HariPrasad Suresh
DOI: https://doi.org/10.3998/ark.5550190.0013.618
Full Text: PDF (467K)
Supplementary Material: PDF (2,144K)
pp. 194 - 203
received Aug 31 2011; accepted Dec 3 2011; published Mar 18 2012;
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19. First total synthesis of salvianolic acid C, tournefolic acid A, and tournefolal (12-6915NP)
Si-Da Shen, Gui-Ping Zhang, Min Lei and Li-Hong Hu
DOI: https://doi.org/10.3998/ark.5550190.0013.619
Full Text: PDF (344K)
Supplementary Material: PDF (1,507K)
pp. 204 - 213
received Sep 14 2011; accepted Mar 27 2012; published Apr 16 2012;
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20. Highly efficient synthesis of 7-aryl-pyrano[3,4-c]pyrazolo [4,3-f]quinoline derivatives catalyzed by iodine (12-7126ZP)
Wei Wang, Yu-Ling Li and Xiang-Shan Wang
DOI: https://doi.org/10.3998/ark.5550190.0013.620
Full Text: PDF (185K)
pp. 214 - 221
received Nov 28 2011; accepted Feb 18 2012; published Apr 16 2012;
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21. One-pot synthesis of 1,2,4,5-tetrasubstituted imidazoles by a tandem three-component reaction of hydroxylamines, aldehydes and 2-azido acrylates (12-7294VP)
Bao Hu, Ning Ai, Zhao Wang, Xiaoliang Xu and Xiaonian Li
DOI: https://doi.org/10.3998/ark.5550190.0013.621
Full Text: PDF (382K)
pp. 222 - 228
received Feb 7 2012; accepted Mar 28 2012; published Apr 16 2012;
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22. Stereoselective annelation of 3-substituted imidazo[4,5-b]pyridines with cyanoacetylenic alcohols and domino rearrangement of the adducts (12-6932UP)
Boris A. Trofimov, Ludmila Andriyankova, Lina Nikitina, Kseniya Belyaeva, Anastasiya Mal'kina, Oleg Dyachenko, Olga Kazheva, Anatolii Chekhlov and Andrei Afonin
DOI: https://doi.org/10.3998/ark.5550190.0013.622
Full Text: PDF (487K)
pp. 229 - 244
received Sep 21 2011; accepted Dec 27 2011; published Apr 16 2012;
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23. DBU-mediated cleavage of aryl- and heteroaryl disulfides (12-7066QP)
Dubekile Nyoni, Kevin A. Lobb, Perry T. Kaye and Mino R. Cairab
DOI: https://doi.org/10.3998/ark.5550190.0013.623
Full Text: PDF (418K)
pp. 245 - 252
received Nov 1 2011; accepted Dec 27 2011; published Apr 16 2012;
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24. Synthesis of a coumarin/phenanthridine-fused heterocycle as a lockable colorimetric fluorescence molecular switch (12-7022VP)
Shih-Hsun Su and Ding-Yah Yang
DOI: https://doi.org/10.3998/ark.5550190.0013.624
Full Text: PDF (509K)
Supplementary Material: PDF (1,241K)
pp. 253 - 263
received Oct 16 2011; accepted Feb 18 2012; published Apr 22 2012;
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25. Structure-reactivity study of O-tosyl Cinchona alkaloids in their new synthesis and in hydrolysis to 9-epibases. Unexpected formation of cinchonicine enol tosylate accelerated by microwave activation (12-6864OP)
Teodozja M. Lipińska, Katarzyna Piechocka, Monika Denisiuk, Beata Chmiel and Agnieszka Skórska-Stania
DOI: https://doi.org/10.3998/ark.5550190.0013.625
Full Text: PDF (977K)
Supplementary Material: PDF (1,122K)
pp. 264 - 280
received Aug 23 2011; accepted Mar 24 2012; published Apr 22 2012;
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26. A comparative study of solution phase as well as solvent free microwave assisted syntheses of 3-benzothiazole/isoxazole substituted 2-styryl-4(3H)-quinazolinones (12-6821IP)
Chandresh L. Jagani, Satish F. Vanparia, Tarosh S. Patel, Ritu B. Dixit and Bharat C. Dixit
DOI: https://doi.org/10.3998/ark.5550190.0013.626
Full Text: PDF (334K)
Supplementary Material: PDF (819K)
pp. 281 - 294
received Aug 7 2011; accepted Feb 18 2012; published Apr 25 2012;
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27. A facile and efficient one-pot three-step protocol for synthesis of 6-aryl-7-oxo-5-aryoxy/alkoxy-1-(p-tolyl)-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidine-3-carbonitrile (12-7144QP)
Ming-Hu Wu, Ji-Huan Hu, Hai-Bing Guo and Yan Li
DOI: https://doi.org/10.3998/ark.5550190.0013.627
Full Text: PDF (228K)
pp. 295 - 303
received Dec 6 2011; accepted Feb 18 2012; published May 9 2012;
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28. Synthesis and characterization of novel N-acyl cyclic urea derivatives (12-6773HP)
Tingting Yang and Guohua Gao
DOI: https://doi.org/10.3998/ark.5550190.0013.628
Full Text: PDF (297K)
pp. 304 - 316
received Jul 17 2011; accepted Feb 11 2012; published May 10 2012;
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29. N-alkylation of isatins utilizing KF/alumina (12-7191UP)
Charles M. Clay, Hagar M. Abdallah, Carly Jordan, Kyle Knisley and Daniel M. Ketcha
DOI: https://doi.org/10.3998/ark.5550190.0013.629
Full Text: PDF (218K)
pp. 317 - 325
received Dec 21 2011; accepted Feb 11 2012; published May 13 2012;
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30. Synthesis of thieno- and benzocyclohepta[b]indoles: Gewald reaction and regioselective cycloaddition of acetylenic esters (12-7162IP)
Ezhumalai Yamuna, Matthias Zeller, Philip O. Adero and Karnam Jayaramapillai Rajendra Prasad.
DOI: https://doi.org/10.3998/ark.5550190.0013.630
Full Text: PDF (475K)
pp. 326 - 342
received Dec 12 2011; accepted Feb 18 2012; published May 21 2012;
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31. Direct observation of a doubly destabilized cation (12-7057QP)
Hanan Afifi, Alexandre Mikhailine, Gabriela Mladenova, Andrei Chtchemelinine, Israt Sultana, Tatiana Dyblenko, Evgeny Danilov, Rene Fournier and Edward Lee-Ruff
DOI: https://doi.org/10.3998/ark.5550190.0013.631
Full Text: PDF (394K)
Supplementary Material: PDF (54K)
pp. 343 - 354
received Oct 28 2011; accepted Apr 14 2012; published May 23 2012;
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32. Synthesis of 5-aryl-2-piperidino-5H-chromeno[3,4-c]pyridine-1-carbonitriles (12-7010IP)
M. Venkati, S. Satyanarayana Reddy, G. Y. S. K. Swamy, K. Ravikumar and G. L. David Krupadanam
DOI: https://doi.org/10.3998/ark.5550190.0013.632
Full Text: PDF (323K)
pp. 355 - 364
received Oct 12 2011; accepted Feb 18 2012; published May 23 2012;
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33. Synthesis and antitumour activity of varitriol and its analogues (12-7295YP)
Oľga Caletková, Angelika Lásiková, Marián Hajdúch, Petr Džubák and Tibor Gracza
DOI: https://doi.org/10.3998/ark.5550190.0013.633
Full Text: PDF (604K)
pp. 365 - 383
received Feb 7 2012; accepted Apr 14 2012; published May 24 2012;
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34. Nucleophilic substitution and ring transformation reactions with 4-chloro-6-ethyl-3-nitropyrano[3,2-c]quinoline-2,5(6H)-dione (12-7329DP)
Hany Mohamed Hassnin
DOI: https://doi.org/10.3998/ark.5550190.0013.634
Full Text: PDF (226K)
pp. 384 - 397
received Feb 26 2012; accepted Apr 14 2012; published May 31 2012;
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35. Competing transformations of 2-cyanoacetanilides in the reactions with derivatives of ethoxymethylenemalonic acid (12-6354IP)
Valeriya P. Tkachova, Nikolay Yu. Gorobets, Roman P. Tkachov, Vladimir I. Musatov and Vladimir D. Dyachenko
DOI: https://doi.org/10.3998/ark.5550190.0013.635
Full Text: PDF (454K)
pp. 398 - 411
received Feb 17 2011; accepted Dec 22 2011; published Jun 15 2012;
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36. Ferrocenyl and pyrenyl thioimidates bearing terminal acetylenic groups. Synthesis and “click” reaction with 3'-azido-3'-deoxythymidine affording novel redox-active and fluorescent thymidine conjugates (12-7332FP)
Anna Wrona-Piotrowicz, Damian Plażuk, Sławomir Domagała and Janusz Zakrzewski
DOI: https://doi.org/10.3998/ark.5550190.0013.636
Full Text: PDF (365K)
pp. 412 - 420
received Feb 27 2012; accepted Aug 2 2012; published Aug 24 2012;
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37. Stereoselective synthesis of N,O,O,O-tetraacetyl-D-ribo-phytosphingosine, N,O,O-triacetyl-D-erythro-sphingosine and N,O,O-triacetyl sphingonine from a common chiral intermediate derived from D-mannitol (12-7378YP)
Ravinder Mettu, Narendar Reddy Thatikonda, Oladoye Sunday Olusegun, Ramesh Vishvakarm and Jayathirtha Rao Vaidya
DOI: https://doi.org/10.3998/ark.5550190.0013.637
Full Text: PDF (561K)
pp. 421 - 436
received Mar 23 2012; accepted Jul 25 2012; published Aug 24 2012;
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