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1. One-pot synthesis of novel thioxanthone crown ethers (07-2339CP)
Hashem Sharghi and Ali Reza Salimi Beni
DOI: https://doi.org/10.3998/ark.5550190.0008.d01
Full Text: PDF (218K)
pp. 1 - 7
received Nov 20 2006; accepted Feb 18 2007; published Feb 25 2007;
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2. Reaction of 2-(α-bromoacetyl)-phenoxathiin with substituted o-, m-, or p-formyl-aroxides (07-2348HP)
Ana Cristina Răduţiu, Ion Baciu, Miron Teodor Căproiu, Constantin Drăghici, Anca Nicolae, Titus Constantinescu and Alexandru T. Balaban
DOI: https://doi.org/10.3998/ark.5550190.0008.d02
Full Text: PDF (191K)
pp. 8 - 22
received Jan 17 2007; accepted Feb 28 2007; published Mar 8 2007;
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3. Synthesis of 1,2,3,4,5-pentasubstituted symmetrical pyrroles (07-2368DP)
G. Ravindran, S.Muthusubramanian, S. Selvaraj and S. Perumal
DOI: https://doi.org/10.3998/ark.5550190.0008.d03
Full Text: PDF (186K)
pp. 23 - 27
received Feb 1 2007; accepted Mar 2 2007; published Mar 16 2007;
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4. Hypervalent iodine oxidation of 1-phenyl-3-arylpyrazole-4-carboxaldehyde oximes: a facile and efficient synthesis of new 3,4-bis(1-phenyl-3-arylpyrazolyl)-1,2,5-oxadiazole-N-oxides (07-2349LP)
Om Prakash and Kamaljeet Pannu
DOI: https://doi.org/10.3998/ark.5550190.0008.d04
Full Text: PDF (178K)
pp. 28 - 33
received Jan 20 2007; accepted Mar 10 2007; published Mar 16 2007;
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5. γ-Dispiro-iminolactone synthesis by three component reaction between alkyl isocyanides and acetylenic esters with α-dicarbonyl compounds (07-2359HP)
Nourollah Hazeri, Malek Taher Maghsoodlou, Sayyed Mostafa Habibi-Khorassani, Morteza Ziyaadini, Ghasem Marandi, Khatereh Khandan-Barani and Hamid Reza Bijanzadeh
DOI: https://doi.org/10.3998/ark.5550190.0008.d05
Full Text: PDF (274K)
pp. 34 - 40
received Jan 27 2007; accepted Mar 7 2007; published Mar 21 2007;
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6. An improved and commercially viable process for the preparation of Alfuzosin hydrochloride (07-2347JP)
Manne Satyanarayana Reddy, Bairy Kondal Reddy, Chepyala Kista Reddy, Muppa Kishore Kumar, Srinivasan Thirumalai Rajan and Venkatesh Mummadi
DOI: https://doi.org/10.3998/ark.5550190.0008.d06
Full Text: PDF (191K)
pp. 41 - 46
received Jan 19 2007; accepted Mar 7 2007; published Mar 29 2007;
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7. A new and efficient protocol for preparation of thiol esters from carboxylic acids and thiols in the presence of 2-(1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate (TBTU) (07-2343BP)
Barahman Movassagh, Saeed Balalaie and Pershang Shaygan
DOI: https://doi.org/10.3998/ark.5550190.0008.d07
Full Text: PDF (226K)
pp. 47 - 52
received Nov 20 2006; accepted Mar 22 2007; published Apr 10 2007;
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8. 2-Arylhydrazononitriles in heterocyclic synthesis: a novel route to 1,3-diaryl-1,2,4-triazol-5-amines via a Tiemann rearrangement of arylhydrazonoamidoximes (07-2372LP)
Hamad M. Al-Matar, Sayed M. Riyadh and Mohamed H. Elnagdi
DOI: https://doi.org/10.3998/ark.5550190.0008.d08
Full Text: PDF (243K)
pp. 53 - 62
received Feb 3 2007; accepted Mar 22 2007; published Apr 10 2007;
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9. A new norlignan glycoside from Cestrum diurnum L. (07-2382CP)
Khaled M. Mohamed, Mostafa A. Fouad, Katsuyoshi Matsunami, Mohamed S. Kamel and Hideaki Otsuka
DOI: https://doi.org/10.3998/ark.5550190.0008.d09
Full Text: PDF (671K)
pp. 63 - 70
received Feb 9 2007; accepted Mar 22 2007; published Apr 24 2007;
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10. Novel tetrahydropyrimidinium / palladium system as a convenient catalyst: Suzuki coupling reactions of aryl chlorides (07-2363NP)
Ismail Özdemir , Serpil Demir and Bekir Çetinkaya
DOI: https://doi.org/10.3998/ark.5550190.0008.d10
Full Text: PDF (238K)
pp. 71 - 78
received Nov 28 2006; accepted May 21 2007; published May 25 2007;
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11. Solvent-free liquid-phase synthesis of polyhydroquinoline derivatives under microwave irradiation (07-2408BP)
Xiao-Lan Zhang, Shou-Ri Sheng, Xian-Liang Liu and Xiao-Ling Liu
DOI: https://doi.org/10.3998/ark.5550190.0008.d11
Full Text: PDF (232K)
pp. 79 - 86
received Mar 2 2007; accepted May 23 2007; published May 26 2007;
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12. Synthesis and fluorescent properties of new derivatives of 4-amino-7-nitrobenzofurazan (07-2475DP)
Marioara Bem, Florin Badea, Constantin Draghici, Miron T. Caproiu, Marilena Vasilescu, Mariana Voicescu, Adrian Beteringhe, Agneta Caragheorgheopol, Maria Maganu, Titus Constantinescu and Alexandru T. Balaban
DOI: https://doi.org/10.3998/ark.5550190.0008.d12
Full Text: PDF (421K)
pp. 87 - 104
received Apr 20 2007; accepted May 21 2007; published Jun 5 2007;
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13. Organic reactions in ionic liquids: MgO as efficient and reusable catalyst for the Michael addition of sulfonamides to α,β-unsaturated esters under microwave irradiation (07-2370FP)
Abdolkarim Zare, Alireza Hasaninejad, Ali Khalafi-Nezhad, Ahmad R. Moosavi Zare and Abolfath Parhami
DOI: https://doi.org/10.3998/ark.5550190.0008.d13
Full Text: PDF (305K)
pp. 105 - 115
received Feb 2 2007; accepted May 30 2007; published Jun 8 2007;
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14. Antimalarial prenylated chalcones from the twigs of Dorstenia barteri var. subtriangularis (07-2459BP)
Bathelemy Ngameni, Jean Watchueng, Fabrice Fekam Boyom, Felix Keumedjio, Bonaventure T. Ngadjui, Jiri Gut, B.M. Abegaz and Philip J. Rosenthal
DOI: https://doi.org/10.3998/ark.5550190.0008.d14
Full Text: PDF (253K)
pp. 116 - 123
received Apr 11 2007; accepted Jun 1 2007; published Jun 8 2007;
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15. Dry reaction of dialkyl phosphite with aldehydes in the presence of acetic anhydride for the synthesis of 1-acetoxyphosphonates on solid bases (07-2507HP)
Babak Kaboudin and Masoumeh Karimi
DOI: https://doi.org/10.3998/ark.5550190.0008.d15
Full Text: PDF (211K)
pp. 124 - 132
received May 7 2007; accepted Jun 13 2007; published Jun 20 2007;
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16. Synthesis, NMR, X-ray crystallography and bioactivity of some α-aminophosphonates (07-2433CP)
Gandavaram Syam Prasad, Jadaprolu Radha Krishna, Manubolu Manjunath, Obulam Vijaya Sarathi Reddy, Musali Krishnaiah, Cirandur Suresh Reddy and Vedavati G. Puranik
DOI: https://doi.org/10.3998/ark.5550190.0008.d16
Full Text: PDF (377K)
pp. 133 - 141
received Mar 19 2007; accepted Jun 14 2007; published Jun 20 2007;
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17. Synthesis, spectral studies and biological activity of 3H-1, 5-benzodiazepine derivatives (07-2486BP)
Rajesh Kumar and Y.C.Joshi
DOI: https://doi.org/10.3998/ark.5550190.0008.d17
Full Text: PDF (224K)
pp. 142 - 149
received Apr 28 2007; accepted Jun 6 2007; published Jun 20 2007;
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18. p-TsOH Catalyzed synthesis of 2-arylsubstituted benzimidazoles (07-2418AP)
Han Xiangming, Ma Huiqiang and Wang Yulu
DOI: https://doi.org/10.3998/ark.5550190.0008.d18
Full Text: PDF (203K)
pp. 150 - 154
received Mar 9 2007; accepted Jun 21 2007; published Jun 28 2007;
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19. Synthesis, and antimicrobial activity of 2,10-dichloro–6- substituted aminobenzyl–12H –dibenzo [d, g][1,3,2]dioxaphosphocin– 6–oxides (07-2472BP)
B. Siva Kumar, A.Uma Ravi Sankar, C. Suresh Reddy, S.K.Nayak and C. Naga Raju
DOI: https://doi.org/10.3998/ark.5550190.0008.d19
Full Text: PDF (232K)
pp. 155 - 166
received Apr 18 2007; accepted Jun 25 2007; published Jul 6 2007;
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20. Large-ring cyclodextrins. A molecular dynamics study of the conformational dynamics and energetics of CD10, CD14 and CD26 (07-2515DP)
Martin G. Gotsev and Petko M. Ivanov
DOI: https://doi.org/10.3998/ark.5550190.0008.d20
Full Text: PDF (1,266K)
pp. 167 - 189
received Apr 18 2007; accepted Jul 1 2007; published Jul 10 2007;
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21. 2,6-Dicarboxypyridinum chlorochromate: an efficient oxidizing agent for the very fast oxidation of Hantzsch 1,4- dihydropyridines (07-2274MP)
Majid M. Heravi, Khadijeh Bakhtiari and Hossein A. Oskooie
DOI: https://doi.org/10.3998/ark.5550190.0008.d21
Full Text: PDF (213K)
pp. 190 - 194
received Nov 23 2006; accepted Jul 1 2007; published Jul 10 2007;
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22. New chemical constituents of Ambrosia psilostachya (07-2351MP)
Athar Ata, Courtney Diduck, Chibuike C. Udenigwe, Shamsulhaq Zahid and Andreas Decken
DOI: https://doi.org/10.3998/ark.5550190.0008.d22
Full Text: PDF (329K)
pp. 195 - 203
received Jan 22 2007; accepted Jun 30 2007; published Jul 11 2007;
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23. Lanthanum trichloride: an efficient Lewis acid catalyst for chemo and regioselective enamination of β-dicarbonyl compounds (07-2403AP)
R. Lenin and R. Madhusudhan Raju
DOI: https://doi.org/10.3998/ark.5550190.0008.d23
Full Text: PDF (223K)
pp. 204 - 209
received Mar 1 2007; accepted Jun 21 2007; published Jul 13 2007;
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24. A reinvestigation of the synthesis of 1-aminoarylmethylphosphonates on the surface of alumina and novel method for the synthesis of bis[1-diethoxyphosphoryl aryl methyl] amines (07-2488CP)
Babak Kaboudin, Khavar Moradi and Ali Reza Sardarian
DOI: https://doi.org/10.3998/ark.5550190.0008.d24
Full Text: PDF (240K)
pp. 210 - 217
received May 1 2007; accepted Jul 1 2007; published Jul 17 2007;
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25. Organocatalyzed nitroaldol reaction of α-ketophosphonates and nitromethane revisited (07-2476EP)
Sampak Samanta and Cong-Gui Zhao
DOI: https://doi.org/10.3998/ark.5550190.0008.d25
Full Text: PDF (250K)
pp. 218 - 226
received Apr 20 2007; accepted Jul 12 2007; published Jul 20 2007;
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26. Perfluorinated resin-sulfonic acid (Nafion-H): an efficient, environment friendly and recyclable heterogeneous catalyst for the one-pot multicomponent synthesis of β-acetamido ketones (07-2460AP)
T. Yakaiah, B. P. V. Lingaiah, G. Venkat Reddy, B. Narsaiah and P. Shanthan Rao
DOI: https://doi.org/10.3998/ark.5550190.0008.d26
Full Text: PDF (236K)
pp. 227 - 234
received Apr 10 2007; accepted Jul 12 2007; published Jul 20 2007;
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27. Solution conformations of three small cluster oligosaccharide mimetics (SCOM) from D-glucosamine, D-altrosamine, and (-)-quinic acid (07-2489DP)
Quy L. Nguyen, Laura Olmstead, Sandeep Bains and Andreas H. Franz
DOI: https://doi.org/10.3998/ark.5550190.0008.d27
Full Text: PDF (739K)
pp. 235 - 251
received May 2 2007; accepted Jul 12 2007; published Jul 20 2007;
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28. An efficient synthesis of 1, 8-dioxo-octahydroxanthenes using tetrabutylammonium hydrogen sulfate (07-2417NP)
Hitendra N. Karade, Manisha Sathe and M. P. Kaushik
DOI: https://doi.org/10.3998/ark.5550190.0008.d28
Full Text: PDF (227K)
Supplementary Material: PDF (144K)
pp. 252 - 258
received Mar 10 2007; accepted Jul 18 2007; published Jul 31 2007;
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29. Effective fluorescent sensing of Na+ ion by calix[4]arene bearing pyrene and perylene based on energy transfer (07-2591EP)
Yukihiro Nishimura, Tetsuo Takemura and Sadao Arai
DOI: https://doi.org/10.3998/ark.5550190.0008.d29
Full Text: PDF (290K)
pp. 259 - 268
received Jun 18 2007; accepted Jul 19 2007; published Aug 2 2007;
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30. 1,8-Naphthyridines II: synthesis of novel polyfunctionally substituted 1,8-naphthyridinones and their degradation to 6-aminopyridones (07-2504DP)
Ramadan A. Mekheimer, Afaf M. Abdel Hameed and Kamal U. Sadek
DOI: https://doi.org/10.3998/ark.5550190.0008.d30
Full Text: PDF (283K)
pp. 269 - 281
received May 6 2007; accepted Jul 13 2007; published Aug 13 2007;
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