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1. Synthesis, modeling and biological studies on 4-2'(2, 3- dihydrobenzofuranyl) coumarins (12-6659IP)
Naazneen B. Yaragatti, Manohar V. Kulkarni and Igor N. Shcherbakov
DOI: https://doi.org/10.3998/ark.5550190.0013.801
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pp. 1 - 16
received Jun 7 2011; accepted Feb 11 2012; published Jun 9 2012;
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2. Synthesis of substituted 2λ4δ2-[1,2,3]thiadiazolo[3,4-c]benzimidazoles and 2λ4δ2-[1,2,3,5]thiatriazolo[3,4-c]benzimidazoles (12-7101SP)
Linas Labanauskas, Virginija Dudutiene, Gintaras Urbelis, Jonas Sarlauskas, Jurgis Sudzius, Daumantas Matulis, Romualdas Striela and Albinas Zilinskas
DOI: https://doi.org/10.3998/ark.5550190.0013.802
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pp. 17 - 26
received Nov 15 2011; accepted May 9 2012; published Jun 11 2012;
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3. The first example of amine-induced reversal of diastereoselectivity in acylation of some trans-2-substituted cyclohexanols (12-7272SP)
Andrey V. Samoshin, Jasper Visser, Matthew Curtis, Vyacheslav V. Samoshin and Andreas H. Franz
DOI: https://doi.org/10.3998/ark.5550190.0013.803
Full Text: PDF (334K)
Supplementary Material: PDF (645K)
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pp. 27 - 35
received Jan 29 2012; accepted Apr 25 2012; published Jun 15 2012;
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4. Synthesis of L-arabinose-based crown ethers and their applications as enantioselective phase transfer catalysts (12-7084OP)
Tamás Szabó, Zsolt Rapi, György Keglevich, Áron Szöllősy, László Drahos and Péter Bakó
DOI: https://doi.org/10.3998/ark.5550190.0013.804
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pp. 36 - 48
received Nov 7 2011; accepted Apr 1 2012; published Jun 17 2012;
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5. A new pathway for the preparation of biologically active 2 substituted 1,5-dihydrobenzo[e][1,2,4]oxadiazepines and related compounds by palladium-catalyzed cyclization of amidoximes with o-iodobenzyl bromide or 2-bromo-3-chloromethylpyridine (12-7260SP)
Edgars Abele, Lena Golomba, Tatjana Beresneva, Julija Visnevska, Elina Jaschenko, Irina Shestakova, Anita Gulbe, Solveiga Grinberga, Sergey Belyakov and Ramona Abele
DOI: https://doi.org/10.3998/ark.5550190.0013.805
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pp. 49 - 61
received Jan 24 2012; accepted Apr 1 2012; published Jun 17 2012;
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6. Regioselective synthesis and antimicrobial evaluation of new 1-aryloxyacetyl-, 1-thiophenoyacetyl- and 1-phenylaminoacetyl-substituted 3-alkyl(aryl/heteroaryl)-5-trifluoromethyl-5-hydroxy-4,5-dihydro-1H-pyrazoles (12-7129SP)
Helio Gauze Bonacorso, Everton P. Pittaluga, Sydney H. Alves, Larissa F. Schaffer, Susiane Cavinatto, Liliane M. F. Porte, Gisele R. Paim, Marcos A. P. Martins and Nilo Zanatta
DOI: https://doi.org/10.3998/ark.5550190.0013.806
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pp. 62 - 75
received Nov 29 2011; accepted Feb 18 2012; published Jun 17 2012;
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7. Preparation of 1,4-disubstituted-1,2,3-triazolo ribonucleosides by Na2CuP2O7 catalyzed azide-alkyne 1,3-dipolar cycloaddition (12-7210JP)
Hanane Elayadi, Mohamed Mesnaoui, Brent E. Korba, Michael Smietana, Jean Jacques Vasseur, John A. Secrist and Hassan B. Lazrek
DOI: https://doi.org/10.3998/ark.5550190.0013.807
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pp. 76 - 89
received Dec 29 2011; accepted Apr 13 2012; published Jun 21 2012;
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8. Nucleoside-metallacarborane conjugates - synthesis of a uridine - bearing 3,3,3-(CO)3-closo-3,1,2-ReC2B9H10 complex (12-7326ZP)
Agnieszka Bogusława Olejniczak
DOI: https://doi.org/10.3998/ark.5550190.0013.808
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pp. 90 - 97
received Feb 24 2012; accepted May 30 2012; published Jun 24 2012;
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9. Photostimulated synthesis of 2-(diphenylphosphino)benzoic acid by the SRN1 reaction (12-7461DP)
Silvia M. Barolo, Sandra E Martín and Roberto A. Rossi
DOI: https://doi.org/10.3998/ark.5550190.0013.809
Full Text: PDF (263K)
Supplementary Material: PDF (864K)
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pp. 98 - 106
received Apr 24 2012; accepted May 19 2012; published Jun 24 2012;
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10. Functionalization of aliphatic tertiary amines mediated by hexachloroethane/cat. copper: synthesis of propargylic amines and methylene-bridged bis-1,3-dicarbonyl derivatives (12-7391JP)
Xiaoliang Xu, Zhichuang Ge, Dongping Cheng and Xiaonian Li
DOI: https://doi.org/10.3998/ark.5550190.0013.810
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pp. 107 - 118
received Mar 29 2012; accepted May 15 2012; published Jun 26 2012;
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11. A practical synthesis of diethyl 1-[(alkylamino)(cyano)methyl]vinylphosphonates (12-7121HP)
Asma Fray, Jihène Ben Kraïem, Abdelaziz Souizi and Hassen Amri
DOI: https://doi.org/10.3998/ark.5550190.0013.811
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pp. 119 - 127
received Nov 25 2011; accepted Mar 20 2012; published Jun 29 2012;
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12. Hydrogen transfer reduction of nitriles in DBU based ionic liquids (12-6477MP)
Xinzhi Chen, Shaodong Zhou and Chao Qian
DOI: https://doi.org/10.3998/ark.5550190.0013.812
Full Text: PDF (213K)
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pp. 128 - 136
received Mar 30 2011; accepted May 11 2012; published Jun 29 2012;
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13. Economically viable efficient synthesis of (±)-methysticin: a component in kava potentially responsible for its cancer chemopreventive activity (12-6733HP)
Ahmad Ali Shaik, Jonathan Tan, Junxuan Lü and Chengguo Xing
DOI: https://doi.org/10.3998/ark.5550190.0013.813
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pp. 137 - 145
received Jun 30 2011; accepted Jun 14 2012; published Jun 29 2012;
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14. A novel and efficient synthesis of selenides (12-7355HP)
He M. Lin, Yu Tang, Zhi H. Li, Kun D. Liu, Jun Yang and Yuan M. Zhang
DOI: https://doi.org/10.3998/ark.5550190.0013.814
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pp. 146 - 156
received Mar 9 2012; accepted Jun 14 2012; published Jun 29 2012;
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15. An improved method for the conversion of oxiranes to thiiranes and the discrimination of their base peaks in EI-MS (12-7346JP)
Hsing-Ming Chen, Po-Yuan Chen, Chih-Feng Wang, Jui-Chi Tsai and Eng-Chi Wang
DOI: https://doi.org/10.3998/ark.5550190.0013.815
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pp. 157 - 168
received Mar 6 2012; accepted May 15 2012; published Jul 3 2012;
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16. On the reactions of tertiary carbanions with some nitroindazoles and nitrobenzotriazoles (12-7388VP)
Marek K. Bernard, Jacek Kujawski, Urszula Skierska, Andrzej K. Gzella and Wojciech Jankowski
DOI: https://doi.org/10.3998/ark.5550190.0013.816
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pp. 169 - 186
received Mar 27 2012; accepted Jun 9 2012; published Jul 3 2012;
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17. Oxidation of alcohols with hydrogen peroxide in the presence of a new triple-site phosphotungstate (12-7275ZP)
Ying He, Xiaoyun Ma and Ming Lu
DOI: https://doi.org/10.3998/ark.5550190.0013.817
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pp. 187 - 197
received Jan 30 2012; accepted Jul 8 2012; published Jul 22 2012;
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18. A new protocol for the synthesis of primary, secondary and tertiary anthranilamides utilizing N-(2-aminoarylacyl)benzotriazoles (12-7369BP)
Nevin Kanışkan, Şule Kökten and İlhami Çelik
DOI: https://doi.org/10.3998/ark.5550190.0013.818
Full Text: PDF (381K)
Supplementary Material: PDF (5,309K)
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pp. 198 - 213
received Mar 19 2012; accepted Jun 28 2012; published Jul 22 2012;
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19. 6-Hydrazinonicotinic acid hydrazide: an useful precursor for chemo- and regioselective synthesis of new heteroaryl-linked pyridinohydrazones (12-7363MP)
Helio Gauze Bonacorso, Gisele Rocha Paim, Liliane Medianeira Favero Porte, Everton Pedebos Pittaluga, Marcos Antonio Pinto Martins and Nilo Zanatta
DOI: https://doi.org/10.3998/ark.5550190.0013.819
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pp. 214 - 225
received Mar 14 2012; accepted Jun 19 2012; published Jul 27 2012;
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20. Synthesis of dihydro-2H-pyran-3(4H)-one (12-7376MP)
Andrey P. Mityuk, Aleksandr V. Denisenko, Oleksandr O. Grygorenko and Andrey A. Tolmachev
DOI: https://doi.org/10.3998/ark.5550190.0013.820
Full Text: PDF (112K)
Supplementary Material: PDF (667K)
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pp. 226 - 230
received Mar 22 2012; accepted Jul 21 2012; published Aug 13 2012;
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21. Asymmetric syntheses of functionalized pyrrolizidin-3-ones (12-7254OP)
Christine Greck, Christine Thomassigny and Géraldine Le Bouc
DOI: https://doi.org/10.3998/ark.5550190.0013.821
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pp. 231 - 249
received Jan 20 2012; accepted May 28 2012; published Aug 13 2012;
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22. An efficient method for the preparation of 2,2,4-trisubstituted 1,2-dihydroquinolines using catalytic amount Bi(OTf)3 as catalyst (12-7274MP)
Zeynep Gültekin and Wolfgang Frey
DOI: https://doi.org/10.3998/ark.5550190.0013.822
Full Text: PDF (678K)
Supplementary Material: PDF (4,644K)
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pp. 250 - 261
received Jan 30 2012; accepted Jul 11 2012; published Aug 21 2012;
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23. Preparation and thermal stability of optically active 1,2,4-triazolium-based ionic liquids (12-7601JP)
Paweł Borowiecki, Marcin Poterała, Jan Maurin, Monika Wielechowska and Jan Plenkiewicz
DOI: https://doi.org/10.3998/ark.5550190.0013.823
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pp. 262 - 281
received Jun 18 2012; accepted Aug 2 2012; published Aug 26 2012;
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24. Fast and efficient direct conversion of 2-aminopyridine into 2,3-disubstituted imidazo[1,2-a]pyridines (12-7379OP)
Vanya B. Kurteva, Lubomir A. Lubenov, Daniela V. Nedeltcheva, Rositsa P. Nikolova and Boris L. Shivachev
DOI: https://doi.org/10.3998/ark.5550190.0013.824
Full Text: PDF (667K)
Supplementary Material: PDF (281K)
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pp. 282 - 294
received Mar 23 2012; accepted Jul 25 2012; published Aug 26 2012;
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25. Synthesis of multisubstituted pyrroles via a CuI-catalyzed three-component coupling and a 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) / silica-gel promoted cyclization (12-7511GP)
Wanli Chen, Lina Jin, Yinghong Zhu and Weimin Mo
DOI: https://doi.org/10.3998/ark.5550190.0013.825
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pp. 295 - 307
received May 15 2012; accepted Aug 7 2012; published Aug 26 2012;
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26. Efficient synthesis of 2,3-dihydroquinazolin-4(1H)-ones using heterogeneous solid acid catalysts: unexpected formation of 2,3-dihydro-2-(4-(tetrahydro-2H-pyran-2-yloxy)butyl)-quinazolin-4(1H)-one (12-7177VP)
Sandip Bibishan Bharate, Nagaraju Mupparapu, Sudhakar Manda, Jaideep B. Bharate, Ramesh Mudududdla, Rammohan R. Yadav and Ram A. Vishwakarma
DOI: https://doi.org/10.3998/ark.5550190.0013.826
Full Text: PDF (237K)
Supplementary Material: PDF (371K)
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pp. 308 - 318
received Dec 14 2011; accepted Jul 26 2012; published Aug 26 2012;
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27. Peculiarities of the tandem reaction between cyanoacetylenic alcohols and aminobenzoic acids: Synthesis of 5,5-dialkyl-2-(3-aminophenyl)-4-oxo-4,5-dihydrofuran-3-carbonitriles (12-7095FP)
Olesya A. Shemyakina, Anastasiya G. Mal’kina, Valentina V. Nosyreva, Igor’ A. Ushakov and Boris A. Trofimov
DOI: https://doi.org/10.3998/ark.5550190.0013.827
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pp. 319 - 325
received Nov 13 2011; accepted Jul 28 2012; published Aug 26 2012;
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28. Liquid phase organic synthesis of 3,5-disubstituted 1,3,5-thiadiazinane-2-thione derivatives on polyethylene glycol (PEG) support (12-7344YP)
Hortensia Rodríguez, Julieta Coro, Margarita Suárez, Roberto Martínez-Álvarez, Nazario Martín and Fernando Albericio
DOI: https://doi.org/10.3998/ark.5550190.0013.828
Full Text: PDF (505K)
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pp. 326 - 338
received Mar 1 2012; accepted Jul 19 2012; published Sep 9 2012;
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