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1. Synthesis and COX inhibition of 7-R1-8-R2-1-ethyl-3,4-dimethyl-4,10-dihydro-1H-pyrazolo[3,4-c][1,5]benzodiazocine-5,11-diones (09-3307HP)
Onofrio Migliara, Demetrio Raffa, Salvatore Plescia, Maria Grazia Cusimano and Anna Carbone
DOI: https://doi.org/10.3998/ark.5550190.0010.201
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pp. 1 - 10
received Jun 16 2008; accepted Nov 18 2008; published Dec 28 2008;
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2. Studies on the synthesis and fluorescent properties of long-chained 2-(5-alkyl-1, 3, 4-oxadiazol-2-yl)-3H-benzo[f]chromen-3-ones (09-3548DP)
Rajesha and H. S. Bhojya Naik, H. N. Harish Kumar, K. M. Hosamani and K. M. Mahadevan
DOI: https://doi.org/10.3998/ark.5550190.0010.202
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pp. 11 - 19
received Sep 28 2008; accepted Dec 8 2008; published Dec 28 2008;
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3. Efficient syntheses of 1,3-unsubstituted 1H-pyrazolo[3,4-b]quinolines (09-3494CP)
Arash Afghan, M. Mehdi Baradarani and John A. Joule
DOI: https://doi.org/10.3998/ark.5550190.0010.203
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pp. 20 - 30
received Sep 9 2008; accepted Dec 8 2008; published Dec 30 2008;
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4. A terminally modified pseudopeptide (Gly-m-aminobenzoic acid) produces supramolecular helix, staircase and water-mediated β-sheet through self-assembly (09-3501BP)
Arpita Dutta, Sudeshna Kar, Roland Fröhlich, Pradyot Koley and Animesh Pramanik
DOI: https://doi.org/10.3998/ark.5550190.0010.204
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pp. 31 - 43
received Sep 11 2008; accepted Dec 10 2008; published Jan 5 2009;
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5. Solid state oxidative deprotection of 1,3-dithianes and 1,3-dithiolanes using poly(N,N'-dibromo-N-ethyl-benzene-1,3-disulfonamide) and N,N,N',N'-tetrabromobenzene-1,3-disulfonamide (09-3563LP)
Ramin Ghorbani-Vaghei and Hojat Veisi
DOI: https://doi.org/10.3998/ark.5550190.0010.205
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pp. 44 - 51
received Oct 5 2008; accepted Dec 9 2008; published Jan 5 2009;
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6. Anomalous addition of 2-cyanoprop-2-yl radicals to 2-(4-t-butyl-2-nitrosophenyl)-2-methylpropanoic acid (09-3664UP)
Dietrich Döpp and Martin Becker
DOI: https://doi.org/10.3998/ark.5550190.0010.206
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pp. 52 - 58
received Nov 21 2008; accepted Jan 19 2009; published Feb 1 2009;
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7. Reusable silica supported poly phosphoric acid catalyzed three-component synthesis of 2H-indazolo[2,1-b]phthalazine-trione derivatives (09-3372NP)
Hamid Reza Shaterian, Asghar Hosseinian and Majid Ghashang
DOI: https://doi.org/10.3998/ark.5550190.0010.207
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pp. 59 - 67
received Jul 12 2008; accepted Jan 25 2009; published Jan 31 2009;
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8. Ruthenium-catalyzed cross aldol reaction with aldehydes and ketones (09-3487JP)
Khalil Tabatabaeian, Maouchehr Mamaghani, Nosrat O. Mahmoodi and Elahe Keshavarz
DOI: https://doi.org/10.3998/ark.5550190.0010.208
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pp. 68 - 75
received Sep 7 2008; accepted Jan 19 2009; published Feb 4 2009;
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9. A novel strategy for the synthesis of 2-amino-4,6-diarylnicotinonitrile (09-3556KP)
Hetal C. Shah, Vaishali H. Shah and Nirmal D. Desai
DOI: https://doi.org/10.3998/ark.5550190.0010.209
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pp. 76 - 87
received Oct 2 2008; accepted Jan 25 2009; published Feb 8 2009;
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10. Formal synthesis of (-) anisomycin via organocatalysis (09-3384KP)
Pandurang V. Chouthaiwale, Shriram P. Kotkar and Arumugam Sudalai
DOI: https://doi.org/10.3998/ark.5550190.0010.210
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pp. 88 - 94
received Jul 17 2008; accepted Jan 25 2009; published Feb 8 2009;
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11. An unexpected one-pot synthesis of 7-isopropyl-3,3-dimethyl-10'H-spiro(indoline-2,9'-phenanthren)-10'-one (09-3585QP)
Lidong Li, Clara S. B. Gomes, Pedro T. Gomes, Luís F. Veiros and Sang Youl Kim
DOI: https://doi.org/10.3998/ark.5550190.0010.211
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pp. 95 - 111
received Oct 17 2008; accepted Jan 25 2009; published Feb 7 2009;
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12. High yield total syntheses of XH-14 derivatives using Sonogashira coupling reaction (09-3569AP)
Hyun Bae Bang, Su Young Han, Da Hye Choi, Jung Woon Hwang and Jong-Gab Jun
DOI: https://doi.org/10.3998/ark.5550190.0010.212
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pp. 112 - 125
received Oct 9 2008; accepted Jan 31 2009; published Feb 11 2009;
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13. Efficient alkylation of N-N′disubstituted formamidines using Mitsunobu’s reagents (09-3688UP)
Alessandro Contini, Emanuela Erba and Pasqualina Trimarco
DOI: https://doi.org/10.3998/ark.5550190.0010.213
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pp. 126 - 131
received Dec 3 2008; accepted Jan 29 2009; published Feb 11 2009;
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14. Halogenation of 1-alkyl-7-azaisatins using N-halosuccinimides: regioselective synthesis of 1-alkyl-5-halo-7-azaisatins (09-3625CP)
Jiro Tatsugi, Tong Zhiwei, Yukio Tsuchiya and Takayoshi Ito
DOI: https://doi.org/10.3998/ark.5550190.0010.214
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pp. 132 - 137
received Nov 1 2008; accepted Jan 25 2009; published Feb 16 2009;
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15. Ammonium metavanadate: an effective catalyst for synthesis of α-hydroxyphosphonates (09-3731LP)
Swapnil S. Sonar, Amol H. Kategaonkar, M. N. Ware, Charansingh H. Gill, Bapurao B. Shingate and Murlidhar S. Shingare
DOI: https://doi.org/10.3998/ark.5550190.0010.215
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pp. 138 - 148
received Dec 23 2008; accepted Jan 27 2009; published Feb 16 2009;
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16. Synthesis, spectroscopic studies and characterizations of some new bis thiosemicarbazones and their cyclization reactions (09-3660JP)
Mustafa Er, Yasemin Ünver, Kemal Sancak, İsmail Değirmencioğlu and Şengül A. Karaoglu
DOI: https://doi.org/10.3998/ark.5550190.0010.216
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pp. 149 - 167
received Nov 20 2008; accepted Jan 18 2009; published Feb 19 2009;
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17. One-pot easy conversion of Baylis-Hillman adducts into arylpyrazoles under ultrasound irradiation (09-3479OP)
Manouchehr Mamaghani and Sahar Dastmard
DOI: https://doi.org/10.3998/ark.5550190.0010.217
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pp. 168 - 173
received Sep 2 2008; accepted Jan 22 2009; published Feb 19 2009;
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18. β-Alkoxyvinyl trifluoromethyl ketones as efficient precursors for the one-pot synthesis of bis-(4,5-dihydro-1H-pyrazol-1-yl)methanones and 1H-pyrazolyl-1-carbohydrazides (09-3703EP)
Helio G. Bonacorso, Cleber A. Cechinel, Everton D. Deon, Ronan C. Sehnem, Fabio M. Luz, Marcos A. P. Martins and Nilo Zanatta
DOI: https://doi.org/10.3998/ark.5550190.0010.218
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pp. 174 - 182
received Dec 12 2008; accepted Feb 6 2009; published Feb 20 2009;
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19. Palladium(0)-catalyzed syntheses of cyclopentenyl-nucleoside analogues (09-3715DP)
Paolo Quadrelli, Mariella Mella, Naiara Vazquez Martinez and Andrea Piccanello
DOI: https://doi.org/10.3998/ark.5550190.0010.219
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pp. 183 - 200
received Dec 19 2008; accepted Jan 29 2009; published Feb 22 2009;
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20. Synthesis and biological activity of novel N-(5-((1H-1,2,4-triazol-1-yl)methyl)-4-tert-butylthiazol-2-yl)-4-carboxamide derivatives (09-3693DP)
Xue Qin, Haibo Yu, Jianbing Liu, Hong Dai, Guifang Bing, Zhenfang Qin, Xin Zhang, Tingting Wang and Jianxin Fang
DOI: https://doi.org/10.3998/ark.5550190.0010.220
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pp. 201 - 210
received Dec 6 2008; accepted Jan 27 2009; published Feb 28 2009;
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21. A formal synthesis of (+)-(S)-kurasoin B (09-3653AP)
Francisco Yuste, Virginia M. Mastranzo, Rubén Sánchez-Obregón, Benjamín Ortiz and José L. García Ruano
DOI: https://doi.org/10.3998/ark.5550190.0010.221
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pp. 211 - 217
received Nov 14 2008; accepted Feb 9 2009; published Feb 28 2009;
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22. QSAR study of pharmacological permeabilities (09-3431QP)
Mati Karelson, Gunnar Karelson, Tarmo Tamm, Indrek Tulp, Jaak Jänes, Kaido Tämm, Andre Lomaka, Deniss Savchenko and Dimitar Dobchev
DOI: https://doi.org/10.3998/ark.5550190.0010.222
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pp. 218 - 238
received Aug 13 2008; accepted Feb 10 2009; published Feb 28 2009;
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23. 2-Hydroxynaphthoquinones. Synthesis, electrochemical study, and biological essays of activity (09-3573CP)
César R. Solorio-Alvarado, Eduardo Peña-Cabrera, Jesús García-Soto, Juana López-Godínez, Felipe J. González and Alejandro Álvarez-Hernández
DOI: https://doi.org/10.3998/ark.5550190.0010.223
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pp. 239 - 257
received Oct 11 2008; accepted Feb 15 2009; published Feb 28 2009;
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24. One-step, facile synthesis of pyrazolopyridines and tetrahydropyrazolopyridines through disproportionation of initially formed pyrazolo Hantzsch dihydropyridine (09-3439MP)
Chuanxiang Liu, Zhong Li, Liwei Zhao and Xuhong Qian
DOI: https://doi.org/10.3998/ark.5550190.0010.224
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pp. 258 - 268
received Aug 17 2008; accepted Feb 9 2009; published Mar 1 2009;
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25. Halogenation of Tröger’s base analogues (09-3617OP)
Masoud Faroughi, Paul Jensen and Andrew C. Try
DOI: https://doi.org/10.3998/ark.5550190.0010.225
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pp. 269 - 280
received Oct 31 2008; accepted Feb 7 2009; published Mar 2 2009;
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26. Facile synthesis of a tetrasaccharide corresponding to the capsular polysaccharide of Streptococcus pneumoniae type 15B (09-3746JP)
Pintu Kumar Mandal, Gour Hari Maiti and Anup Kumar Misra
DOI: https://doi.org/10.3998/ark.5550190.0010.226
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pp. 281 - 287
received Jan 1 2009; accepted Jan 30 2009; published Mar 15 2009;
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27. Synthesis of enantiopure trisubstituted piperidines from a chiral epoxyaziridine and α-amino esters (09-3578DP)
Adrián Ochoa-Terán, José M. Concellón and Ignacio A. Rivero
DOI: https://doi.org/10.3998/ark.5550190.0010.227
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pp. 288 - 297
received Oct 14 2008; accepted Feb 6 2009; published Mar 17 2009;
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28. Odorless regioselective ring opening of epoxides with S-alkylisothiouronium salts as masked thiols in water (09-3710CP)
Rajib Panchadhayee and Anup Kumar Misra
DOI: https://doi.org/10.3998/ark.5550190.0010.228
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pp. 298 - 307
received Dec 11 2008; accepted Feb 13 2009; published Mar 24 2009;
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29. New N-substituted 2-(1H-pyrazol-1-yl)acetamides with pharmacological activity (09-3452FP)
Christina Zalaru, Florea Dumitrascu, Constantin Draghici, Elena Cristea and Isabela Tarcomnicu
DOI: https://doi.org/10.3998/ark.5550190.0010.229
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pp. 308 - 314
received Aug 22 2008; accepted Feb 15 2009; published Mar 27 2009;
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30. A simple and efficient synthesis of hypnotic agent, zolpidem and its related substances (09-3267AP)
Yasareni Sumalatha, Tamma Ranga Reddy, Padi Pratap Reddy and Bollikonda Satyanarayana
DOI: https://doi.org/10.3998/ark.5550190.0010.230
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pp. 315 - 320
received May 27 2008; accepted Feb 15 2009; published Apr 24 2009;
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