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1. Dichotomous stereocontrol in Claisen-Schmidt condensations: synthesis of a propeller shaped rigid system (21-11524OP)
C. Nithya, C. S. Aswathi and T. S. Saumya
DOI: https://doi.org/10.24820/ark.5550190.p011.524
Full Text: PDF (443K)
Supplementary Material: PDF (371K)
pp. 1 - 7
received Mar 26 2021; accepted Aug 15 2021; published Aug 29 2021;
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2. A convenient and mild protocol for preparation of α –trimethylsilyloxyphosphonates using sulfamic acid and their oxidation to α – ketophosphonates in the presence of N-bromosuccinimide (21-11603IP)
Satish D. Mitragotri, Makarand A. Kulkarni, Uday V. Desai and Prakash P. Wadagaonkar
DOI: https://doi.org/10.24820/ark.5550190.p011.603
Full Text: PDF (412K)
Supplementary Material: PDF (634K)
pp. 8 - 17
received Jul 23 2021; accepted Aug 31 2021; published Sep 11 2021;
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3. Straightforward synthesis of unnatural poly-oxygenated steroid sapogenins (21-11596MP)
Anielka Rosado-Abón and Martin A. Iglesias-Arteaga
DOI: https://doi.org/10.24820/ark.5550190.p011.596
Full Text: PDF (656K)
Supplementary Material: PDF (2,346K)
pp. 18 - 26
received Jul 16 2021; accepted Aug 30 2021; published Sep 19 2021;
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4. Meldrum's acid as an excellent catalyst for the facile, efficient and one-pot synthesis of N,3-diarylimidazo[1,2-a]pyridin-2-amines (21-11601UP)
Sara Asadi, Mina Hajipour and Hossein Mehrabi
DOI: https://doi.org/10.24820/ark.5550190.p011.601
Full Text: PDF (664K)
pp. 27 - 39
received Jul 23 2021; accepted Sep 6 2021; published Sep 19 2021;
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5. Separation, characterisation and biological evaluation of the individual isomers of the rat selective toxicant norbormide – isolated using a chemical derivatization strategy (21-11646UP)
Morgan Jay-Smith, Zifei L. Wang, Raida Al-Kassas, Elaine C. Murphy, Lee Shapiro, Charles T. Eason, Margaret A. Brimble and David Rennison
DOI: https://doi.org/10.24820/ark.5550190.p011.646
Full Text: PDF (819K)
Supplementary Material: PDF (882K)
pp. 40 - 53
received Sep 13 2021; accepted Sep 29 2021; published Oct 7 2021;
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6. An efficient method for the synthesis of 6,7-bis(alkylthio- or alkylamino-substituted)quinoline-5,8-diones via nucleophilic addition/oxidation of alkylthio and alkylamino derivatives to quinoline-5,8-dione (21-11428GP)
Herman H. Odens, Trevor S. Silva, Candace N. Olusola, Herman H. Odens Jr., Victoria A. Howe and Anna I. Wijatyk
DOI: https://doi.org/10.24820/ark.5550190.p011.428
Full Text: PDF (622K)
Supplementary Material: PDF (8,682K)
pp. 54 - 63
received Nov 24 2020; accepted Sep 29 2021; published Oct 17 2021;
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7. Copper(II)-catalyzed aerobic oxidation of hydrazides to azo intermediates and their Diels–Alder versus ene trapping (21-11606JP)
Duangduan Chaiyaveij and Andrew Whiting
DOI: https://doi.org/10.24820/ark.5550190.p011.606
Full Text: PDF (507K)
Supplementary Material: PDF (1,945K)
pp. 64 - 76
received Jul 26 2021; accepted Oct 11 2021; published Nov 7 2021;
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8. Fusing privileged structures: synthesis and characterization of new benzothiophene-chalcone hybrids (21-11631MP)
Elif Akin Kazancioglu
DOI: https://doi.org/10.24820/ark.5550190.p011.631
Full Text: PDF (618K)
Supplementary Material: PDF (1,670K)
pp. 77 - 89
received Sep 6 2021; accepted Oct 21 2021; published Nov 7 2021;
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9. Solid phase synthesis of bicyclic pyrrolidines (21-11633UP)
Paolo Quadrelli
DOI: https://doi.org/10.24820/ark.5550190.p011.633
Full Text: PDF (802K)
Supplementary Material: PDF (2,153K)
pp. 90 - 105
received Sep 7 2021; accepted Oct 12 2021; published Nov 8 2021;
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10. Synthesis of the piperazine subunit of Indinavir (21-11621IP)
Rebeca Garcia Moura, Marco Antonio Bueno Filho, Liliana Marzorati and Claudio Di Vitta
DOI: https://doi.org/10.24820/ark.5550190.p011.621
Full Text: PDF (489K)
Supplementary Material: PDF (1,030K)
pp. 106 - 111
received Aug 24 2021; accepted Oct 21 2021; published Nov 19 2021;
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11. Concise strategy for diastereoselective annulation to afford fused [5:7] oxazepanone γ-lactams (21-11618WP)
Fatin Nur Ain Abdul Rashid, Mohd Fazli Mohammat, Nurul Shulehaf Mansor, Zurina Shaameri and Ahmad Sazali Hamzah
DOI: https://doi.org/10.24820/ark.5550190.p011.618
Full Text: PDF (653K)
Supplementary Material: PDF (1,636K)
pp. 112 - 123
received Aug 17 2021; accepted Nov 1 2021; published Nov 24 2021;
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12. Synthesis of (1,4-benzoxazinones-3-yl)malonate derivatives via cross-dehydrogenative-coupling reactions under ball-milling conditions (21-11669JP)
Ali Sharifi, Maryam Moazami, Zahra Babaalian, M. Saeed Abaee and Mojtaba Mirzaei
DOI: https://doi.org/10.24820/ark.5550190.p011.669
Full Text: PDF (549K)
Supplementary Material: PDF (2,914K)
pp. 124 - 132
received Oct 16 2021; accepted Dec 2 2021; published Dec 26 2021;
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13. One-pot synthesis of stable phosphorus ylides by three-component reaction between arylglyoxals, phosphines and barbituric or Meldrum’s acid (21-11578GP)
Mahsa Latifi and Mohammad Anary-Abbasinejad
DOI: https://doi.org/10.24820/ark.5550190.p011.578
Full Text: PDF (423K)
pp. 133 - 139
received Jun 23 2021; accepted Dec 5 2021; published Dec 26 2021;
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14. Synthesis of β-damascone from 2,6-dimethylcyclohexanone (21-11687UP)
Pauline Chaumont-Olive, Kristína Plevová, Ana María Collado Pérez, Jorge Sánchez-Quesada,
Radovan Šebesta and Janine Cossy
DOI: https://doi.org/10.24820/ark.5550190.p011.687
Full Text: PDF (575K)
Supplementary Material: PDF (2,450K)
pp. 140 - 150
received Nov 10 2021; accepted Dec 21 2021; published Dec 27 2021;
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15. Synthesis of C4-substituted coumarins via Pechmann condensation catalyzed by sulfamic acid. Insights into the reaction mechanism by HRMS analysis (21-11645FP)
Maiara C. Moraes, Eder J. Lenardão and Thiago Barcellos
DOI: https://doi.org/10.24820/ark.5550190.p011.645
Full Text: PDF (733K)
Supplementary Material: PDF (2,935K)
pp. 151 - 163
received Sep 13 2021; accepted Dec 19 2021; published Dec 28 2021;
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16. Synthesis of Florbetapir aza-analogues using chemistry of pyridinium N-aminides (21-11676IP)
Elena Gala, Javier Recio, Julio Alvarez-Builla and M. Luisa Izquierdo
DOI: https://doi.org/10.24820/ark.5550190.p011.676
Full Text: PDF (842K)
Supplementary Material: PDF (3,712K)
pp. 164 - 182
received Oct 29 2021; accepted Dec 17 2021; published Jan 2 2022;
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17. Facile one-pot, three-component synthesis of novel fused 4H-pyrans incorporating 2-phenoxy-N-phenylacetamide core as novel hybrid molecules via Michael addition reaction (21-11690MP)
Rania Samy Omar, Mohamed A. Ragheb, Ahmed H. M. Elwahy, Ismail A. Abdelhamid
DOI: https://doi.org/10.24820/ark.5550190.p011.690
Full Text: PDF (639K)
Supplementary Material: PDF (4,996K)
pp. 183 - 198
received Nov 15 2021; accepted Dec 21 2021; published Jan 11 2022;
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18. Synthesis of ten membered di-oxa-carbocyclic annulated flavones and olefin tethered bisflavone derivatives–olefin ring closing / cross metathesis (21-11644GP)
Neeradi Balaiah, Yerrabelly Hemasri and Yerrabelly Jayaprakash Rao
DOI: https://doi.org/10.24820/ark.5550190.p011.644
Full Text: PDF (684K)
Supplementary Material: PDF (2,880K)
pp. 199 - 212
received Sep 13 2021; accepted Dec 29 2021; published Jan 23 2022;
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19. Efficient one pot preparation of novel 1-oxo-3-aryl-1,5-dihydrobenzo[4,5]imidazo[1,2-a]pyridine-2-carboxylic acid derivatives in a green solvent
(21-11682JP)
Sara Asadi and Hossein Mehrabi
DOI: https://doi.org/10.24820/ark.5550190.p011.682
Full Text: PDF (569K)
pp. 213 - 224
received Nov 2 2021; accepted Jan 8 2022; published Jan 27 2022;
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20. Facile conversion of 1,2-dicyanobenzene into chiral bisamidines (21-11722UP)
Mariano Goldberg, Masaki Nakajima, Michael Bolte and Michael W. Göbel
DOI: https://doi.org/10.24820/ark.5550190.p011.722
Full Text: PDF (570K)
Supplementary Material: PDF (2,559K)
pp. 225 - 238
received Jan 10 2022; accepted Feb 19 2022; published Mar 2 2022;
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