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1. Looking for a new antitubercular pharmacophore site: synthesis and bioactivity of spiroheterocycles 2,3',4'-tri-subsituted-1,2-dihydro-4H,4'H-spiro[isoquinoline-3,5'-isoxazol]-4-ones (08-2789AP)
Taibi Ben Hadda, Badri Rahima, Abdelali Kerbal, Brahim Bennani, Ghali Al Houari, Bouchra Filali Baba, Mehmet Akkurt, Gilles Demailly and Mohammed Benazza
DOI: https://doi.org/10.3998/ark.5550190.0009.201
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pp. 1 - 13
received Sep 29 2007; accepted Oct 31 2007; published Nov 5 2007;
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2. Fe(NO3)3.9H2O / Fe(HSO4)3 : An efficient reagent system for the oxidative deprotection of trimethylsilyl and tetrahydropyranyl ethers in the absence of solvent (08-2795EP)
Farhad Shirini, Mohammad Ali Zolfigol and Abdol-Reza Abri
DOI: https://doi.org/10.3998/ark.5550190.0009.202
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pp. 14 - 18
received Oct 3 2007; accepted Nov 21 2007; published Nov 27 2007;
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3. Simple and efficient synthesis of arbutin (08-2804OP)
Ivica Cepanec and Mladen Litvic
DOI: https://doi.org/10.3998/ark.5550190.0009.203
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pp. 19 - 24
received Oct 5 2007; accepted Nov 22 2007; published Dec 7 2007;
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4. Efficient asymmetric addition of diethylzinc to ketones using tartaric acid derivative as chiral ligand (08-2836DP)
Ailing Hui, Jintang Zhang, Huayin Sun and Zhiyong Wang
DOI: https://doi.org/10.3998/ark.5550190.0009.204
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pp. 25 - 32
received Oct 22 2007; accepted Nov 18 2007; published Dec 7 2007;
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5. One-pot reductive cyclization to antitumor quinazoline precursors (08-2799GP)
Sandip K. Kundu, Mathew P. D. Mahindaratne, Maritza V. Quintero, Ande Bao and George R. Negrete
DOI: https://doi.org/10.3998/ark.5550190.0009.205
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pp. 33 - 42
received Oct 3 2007; accepted Nov 26 2007; published Dec 13 2007;
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6. Investigation of the electrochemical behavior of some catechols in the presence of 4,6-dimethylpyrimidine-2-thiol (08-2793CP)
Lida Fotouhi, Mona Khakpour, Davood Nematollahi and Majid M. Heravi
DOI: https://doi.org/10.3998/ark.5550190.0009.206
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pp. 43 - 52
received Oct 2 2007; accepted Nov 27 2007; published Dec 19 2007;
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7. Synthesis of {3-(2-dimethylamino-ethy1)-2-[3-(2-dimethylaminoethyl)-1H-indol-5-ylmethyl]-1H-indol-5-yl}-N-methyl-methanesulfonamide, the main Sumatriptan impurity (08-2839GP)
A. Sanz, A. M. G. Carril, M. P. Matía, J. L. Novella and J. Alvarez-Builla
DOI: https://doi.org/10.3998/ark.5550190.0009.207
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pp. 53 - 58
received Oct 25 2007; accepted Nov 27 2007; published Dec 19 2007;
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8. Synthesis of new derivatives of 2,3-dicyano-imidazo[1,2-a]pyrimidine from 4-hydroxy-6-methylpyran-2-ones (08-2817JP)
Bouchaib El Otmani, Mohammed El Mahi, Rachid Bouhfid, El Mokhtar Essassi, Taoufik Rohand, Wim Dehaen and Lahcen El Ammari
DOI: https://doi.org/10.3998/ark.5550190.0009.208
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pp. 59 - 70
received Oct 10 2007; accepted Nov 26 2007; published Dec 19 2007;
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9. Synthesis and characterization of novel bis–(α–aminophosphonates)with terminal chromone moieties (08-2810AP)
Tarik El-Sayed Ali
DOI: https://doi.org/10.3998/ark.5550190.0009.209
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pp. 71 - 79
received Oct 7 2007; accepted Nov 26 2007; published Dec 19 2007;
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10. Structural and theoretical studies of 4,4'-[1,4-phenylene-bis-(azanediyl)]dipent-3-en-2-one: evidence of a π-delocalized keto-enamine (08-2800KP)
O. T. Benjelloun, M. Akkurt, S. Ö. Yildirim, M. Daoudi, T. Ben Hadda, A. Boukir, O. Büyükgüngör and A. F. Jalbout
DOI: https://doi.org/10.3998/ark.5550190.0009.210
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pp. 80 - 93
received Oct 4 2007; accepted Nov 24 2007; published Jan 15 2008;
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11. Synthesis and herbicidal activity of 1,3-substituted quinazolinedione derivatives (08-2809EP)
Hai-Bo Yu, Hong-Fei Wu, Dong-Liang Cui and Bin Li
DOI: https://doi.org/10.3998/ark.5550190.0009.211
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pp. 94 - 104
received Oct 7 2007; accepted Dec 6 2007; published Jan 15 2008;
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12. Sodium hydrogen sulfate as effective and reusable heterogeneous catalyst for the one-pot preparation of amidoalkyl naphthols (08-2880OP)
Hamid Reza Shaterian and Hossein Yarahmadi
DOI: https://doi.org/10.3998/ark.5550190.0009.212
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pp. 105 - 114
received Nov 8 2007; accepted Dec 11 2007; published Jan 15 2008;
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13. Three-component process for the synthesis of 4-amino-5- pyrimidinecarbonitriles under thermal aqueous conditions or microwave irradiation (08-2861UP)
Hassan Sheibani, Arman S. Saljoogi and Ayoob Bazgir
DOI: https://doi.org/10.3998/ark.5550190.0009.213
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pp. 115 - 123
received Oct 31 2007; accepted Dec 19 2007; published Jan 18 2008;
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14. Synthesis of 1-aroylmethylpyrroles as useful intermediates for further chemical transformation (08-2908GP)
Nikolaos Karousis, Konstantina Koriatopoulou and George Varvounis
DOI: https://doi.org/10.3998/ark.5550190.0009.214
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pp. 124 - 133
received Nov 23 2007; accepted Dec 31 2007; published Jan 27 2008;
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15. NaHSO4•H2O as an efficient and eco-friendly catalyst for the one-pot multicomponent synthesis of β-acetamido ketones under mild and heterogeneous conditions (08-2572MP)
Asadollah Hassankhani, Malek Taher Maghsoodlou, Sayyed Mostafa Habibi-Khorassani, Hassan Hosseini-Mahdiabad and Ghasem Marandi
DOI: https://doi.org/10.3998/ark.5550190.0009.215
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pp. 134 - 140
received Jun 11 2007; accepted Dec 29 2007; published Jan 27 2008;
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16. Synthesis and antimicrobial activity of some derivatives of acylhydrazine including novel benzenediazasulfonamides (08-2825CP)
Muhammad Zareef, Rashid Iqbal, Bushra Mirza, Khalid M. Khan, Abdual Manan, Fahim Asim and Sher W. Khana
DOI: https://doi.org/10.3998/ark.5550190.0009.216
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pp. 141 - 152
received Oct 15 2007; accepted Dec 23 2007; published Jan 27 2008;
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17. Synthesis of some dipyrrolophenanthroline derivatives as novel macromolecules (08-2807DP)
Malek Taher Maghsoodlou, Batool Tahami Pour, Ghasem Marandi and Niloufar Akbarzadeh
DOI: https://doi.org/10.3998/ark.5550190.0009.217
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pp. 153 - 159
received Oct 5 2007; accepted Dec 31 2007; published Jan 27 2008;
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18. Iron(III) trifluoroacetate [Fe(O2CCF3)3] catalyzed epoxide opening with amines (08-2882DP)
Erkan Ertürk and Ayhan S. Demir
DOI: https://doi.org/10.3998/ark.5550190.0009.218
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pp. 160 - 171
received Nov 10 2007; accepted Dec 23 2007; published Jan 27 2008;
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19. Synthesis of 1-benzoxepin-5-ones (ols) from salicylaldehydes via ring-closing metathesis (08-2792CP)
Sie-Rong Li, Hsing-Ming Chen, Liang-Yeu Chen, Jui-Chi Tsai, Po-Yuan Chen,Sodio Chih-Neng Hsu and Eng-Chi Wang
DOI: https://doi.org/10.3998/ark.5550190.0009.219
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pp. 172 - 182
received Oct 1 2007; accepted Jan 16 2008; published Jan 31 2008;
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20. Microwave-assisted synthesis of fluorinated coumarino sulfonamides (08-2928UP)
Hua Zuo, Geo Jose, Zhu-bo Li, Bu-Hyun Moon, Dong-Soo Shin and Manjunath Ghate
DOI: https://doi.org/10.3998/ark.5550190.0009.220
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pp. 183 - 189
received Dec 8 2007; accepted Jan 17 2008; published Feb 1 2008;
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21. α-Amino cyclic dithioketal mediated asymmetric synthesis of (S)-(-)-α-(N-p-toluenesulfonyl)aminopropiophenone (N-tosyl cathinone) (08-2918EP)
Franklin A. Davis and Jing Chai
DOI: https://doi.org/10.3998/ark.5550190.0009.221
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pp. 190 - 203
received Nov 28 2007; accepted Jan 20 2008; published Feb 1 2008;
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22. Dipyridine cobalt chloride: a novel and efficient catalyst for the synthesis of 14-aryl 14H-dibenzo[a.j]xanthenes under solvent-free conditions (08-2906UP)
J. Venu Madhav, B. Suresh Kuarm and B. Rajitha
DOI: https://doi.org/10.3998/ark.5550190.0009.222
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pp. 204 - 209
received Nov 22 2007; accepted Jan 16 2008; published Feb 1 2008;
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23. Design, synthesis, characterization and antitubercular activity of some 2-heterocycle-substituted phenothiazines (08-2821UP)
Amit R.Trivedi, Arif B. Siddiqui and Viresh H. Shah
DOI: https://doi.org/10.3998/ark.5550190.0009.223
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pp. 210 - 217
received Oct 14 2007; accepted Dec 30 2007; published Feb 1 2008;
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24. 4-(D-Glucosamino)-7-nitrobenzoxadiazole: synthesis, anomers, spectra, TLC behavior, and applications (08-2877JP)
Marioara Bem, Florin Badea, Constantin Draghici, Miron Teodor Caproiu, Marilena Vasilescu, Mariana Voicescu, Gabriela Pencu, Adrian Beteringhe, Maria Maganu, Irina Cristina Covaci, Titus Constantinescu and Alexandru T. Balaban
DOI: https://doi.org/10.3998/ark.5550190.0009.224
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pp. 218 - 234
received Nov 7 2007; accepted Dec 30 2007; published Feb 17 2008;
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25. New synthesis of mephenoxalone (08-2853OP)
Adrian Ochoa-Terán and Ignacio A. Rivero
DOI: https://doi.org/10.3998/ark.5550190.0009.225
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pp. 235 - 242
received Oct 31 2007; accepted Jan 21 2008; published Feb 17 2008;
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26. A facile synthesis of N-Fmoc protected amino/peptidyl Weinreb amides employing acid chlorides as key intermediates (08-2895JP)
Vommina V. Sureshbabu and Hemantha H. P.
DOI: https://doi.org/10.3998/ark.5550190.0009.226
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pp. 243 - 249
received Nov 16 2007; accepted Jan 22 2008; published Feb 17 2008;
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27. Lewis acid catalyzed N-acylation of carbamates and oxazolidinones (08-2909LP)
Chada Raji Reddy, Bodugam Mahipal and Srinivasa Rao Yaragorla
DOI: https://doi.org/10.3998/ark.5550190.0009.227
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pp. 250 - 257
received Nov 25 2007; accepted Jan 21 2008; published Feb 17 2008;
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28. Studies of para-quinomethane formation during the tyrosinase-catalyzed oxidation of 4-alkylcatechols (08-2930DP)
Edward J. Land, Christopher A. Ramsden, Patrick A. Riley and Michael R. L. Stratford
DOI: https://doi.org/10.3998/ark.5550190.0009.228
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pp. 258 - 267
received Dec 10 2007; accepted Jan 21 2008; published Feb 28 2008;
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29. Synthesis and AT1 affinity evaluation of benzamidophenyl analogs of known AT1 receptor ligands with similar aromatic skeleton (08-2949GP)
Simona Rapposelli, Serena Cuboni, Maria Digiacomo, Annalina Lapucci, Maria Letizia Trincavelli, Tiziano Tuccinardi and Aldo Balsamo
DOI: https://doi.org/10.3998/ark.5550190.0009.229
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pp. 268 - 286
received Dec 21 2007; accepted Mar 19 2008; published Apr 4 2008;
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30. Solid-phase organic synthesis of vinyl-substituted 1,2,4-trizoles based on polymer-supported α-selenopropionic acid (08-3007CP)
Gui-Yun Fu, Lei Guo, Xue-Chun Mao, Shou-Ri Sheng, Shi-Yang Fei and Ming-Zhong Cai
DOI: https://doi.org/10.3998/ark.5550190.0009.230
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pp. 287 - 293
received Jan 22 2008; accepted Mar 18 2008; published Apr 5 2008;
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