2020-08-28
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ARKIVOC Volume 2025
Part (iii): Commemorative Issue in Honor of Dr. Hans-Guenter Schmalz on the occasion of his retirement, his contribution to organometallic mediated organic synthesis and his positive impact on the chemists of developing nations
Facilitators: Willem A. L. van Otterlo and Charles B de Koning
Scientific Editor: Till Opatz

Graphical Abstracts
1. A tribute to Professor Hans-Gunter (Hagga) Schmalz (HS-12371FT)
Charles B. de Koning and Willem A. L. van Otterlo
DOI: https://doi.org/10.24820/ark.5550190.p012.371
Full Text: PDF (648K)
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Arkivoc 2025 (3) 202512371
published Feb 25 2025;
2. A novel synthesis of acridones via iron(II)-catalyzed intramolecular acylation of N-phenylanthranilic acids (HS-12399FP)
H. Sebastián Steingruber and Darío C. Gerbino
DOI: https://doi.org/10.24820/ark.5550190.p012.399
Full Text: PDF (763K)
Supplementary Material: PDF (1,650K)
Export Citation: RIS
Arkivoc 2025 (3) 202512399
received Apr 28 2025; accepted Jul 3 2025; published Jul 20 2025;
3. Quinoidal alkali imidate salts: dipotassium pyrazine-2,5-bis(olates), a novel class of quinoidal piperazine-2,5-dione derivatives (HS-12407FP)
David Venter, Daniel P. Otto, Frans J. Smit and Hermanus C. M. Vosloo
DOI: https://doi.org/10.24820/ark.5550190.p012.407
Full Text: PDF (1,229K)
Supplementary Material: PDF (5,842K)
Export Citation: RIS
Arkivoc 2025 (3) 202512407
received May 12 2025; accepted Jul 16 2025; published Aug 13 2025;
4. Synthesis of aryl benzamides containing a pyrimidine moiety as possible HIV-1 NNRTIs (HS-12434FP)
Likhopotso C. Mohasoa, Manuel A. Fernandes, Memory Zimuwandeyi and Moira L. Bode
DOI: https://doi.org/10.24820/ark.5550190.p012.434
Full Text: PDF (818K)
Supplementary Material: PDF (6,371K)
Export Citation: RIS
Arkivoc 2025 (3) 202512434
received Jul 4 2025; accepted Aug 7 2025; published Aug 21 2025;
5. Synthesis, characterization and biological evaluation of 1-(1H-1,2,3- triazol-4-yl)methyl)-1-pyrazolo[3,4-b]quinoline derivatives (HS-12403FP)
Thandokazi A. Ntshele, Sibusiso Senzani, Nirasha Nundkumar, Kolawole Olofinsan, Shahidul Islam, Moganavelli Singh, Sithabile Mokoena, Rajshekhar Karpoormath and Neil A. Koorbanally
DOI: https://doi.org/10.24820/ark.5550190.p012.403
Full Text: PDF (857K)
Supplementary Material: PDF (7,001K)
Export Citation: RIS
Arkivoc 2025 (3) 202512403
received May 3 2025; accepted Jul 28 2025; published Aug 21 2025;
6. Synthetic approaches of the unsung members of the pyridocarbazole family (HS-12448FR)
Sarah J. Wright and Songeziwe Ntsimango
DOI: https://doi.org/10.24820/ark.5550190.p012.448
Full Text: PDF (1,854K)
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Arkivoc 2025 (3) 202512448
received Aug 4 2025; accepted Oct 27 2025; published Nov 11 2025;
7. The total synthesis of chrysophanol and aloesaponarin II, anthraquinone natural products from bio-renewable cashew nut shell liquid-derived phenolics (HS-12456FP)
Kabelo B. Dilebo, Charles B. de Koning and Kennedy J. Ngwira
DOI: https://doi.org/10.24820/ark.5550190.p012.456
Full Text: PDF (655K)
Supplementary Material: PDF (3,613K)
Export Citation: RIS
Arkivoc 2025 (3) 202512456
received Aug 15 2025; accepted Nov 2 2025; published Nov 15 2025;
8. Insertion of chiral carbenoids into pinanediol boronic esters (HS-12466FP)
Hae Mo Lee, Kevin Bojaryn and Christoph Hirschhäuser
DOI: https://doi.org/10.24820/ark.5550190.p012.466
Full Text: PDF (1,143K)
Supplementary Material: PDF (3,499K)
Export Citation: RIS
Arkivoc 2025 (3) 202512466
received Sep 3 2025; accepted Nov 21 2025; published Dec 22 2025;
9. Palladium-catalyzed intramolecular allylation of aldehydes through in situ generation of allylsilanes (HS-12473FP)
Mizuki Akagawa, Nene Murata, Mayo Ishibashi and Yoshikazu Horino
DOI: https://doi.org/10.24820/ark.5550190.p012.473
Full Text: PDF (1,370K)
Supplementary Material: PDF (6,808K)
Export Citation: RIS
Arkivoc 2025 (3) 202512473
received Sep 15 2025; accepted Dec 9 2025; published Dec 28 2025;
10. Synthetic strategies for dihydrochalcones (HS-12491FR)
Mamoalosi A. Selepe, Lorraine T. Madibana, Siyanda T. Mthembu and Molahlehi S. Sonopo
DOI: https://doi.org/10.24820/ark.5550190.p012.491
Full Text: PDF (1,200K)
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Arkivoc 2025 (3) 202512491
received Nov 12 2025; accepted Jan 31 2026; published Feb 5 2026;
11. A ring-closing metathesis-oxidation approach for the synthesis of seven-membered ring analogues of purpurogallin (HS-12506FP)
Dharmendra B. Yadav, Sebastian A. Olsson, Manuel A. Fernandes, Ivan R. Green, Charles B. de Koning and Willem A. L. van Otterlo
DOI: https://doi.org/10.24820/ark.5550190.p012.506
Full Text: PDF (968K)
Supplementary Material: PDF (6,916K)
Export Citation: RIS
Arkivoc 2025 (3) 202512506
received Nov 25 2025; accepted Jan 31 2026; published Feb 8 2026;
12. Regioselective photochemical [2+2]-cycloadditions of chromenones to substituted alkynes (HS-12486FP)
Uwe Nickel, Franz-Peter Montforts and Emanuel Hupf
DOI: https://doi.org/10.24820/ark.5550190.p012.486
Full Text: PDF (726K)
Supplementary Material: PDF (2,383K)
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Arkivoc 2025 (3) 202512486
received Oct 30 2025; accepted Feb 6 2026; published Feb 17 2026;
13. New phosphoramidites of RNA cleaving trisbenzimidazole catalysts: improved compatibility with oligonucleotide solid phase synthesis (HS-12499FP)
Dennis Krug, Konstantinos Chionis, Jonka Tepe, Karyna Stoliarchuk, Janina Möckel, Karin Göbel and Michael W. Göbel
DOI: https://doi.org/10.24820/ark.5550190.p012.499
Full Text: PDF (1,255K)
Supplementary Material: PDF (6,212K)
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Arkivoc 2025 (3) 202512499
received Nov 21 2025; accepted Feb 16 2026; published Mar 12 2026;
14. Structural perspectives on linkers enabling cell-specific antibody-mediated targeted protein degradation (HS-12516FR)
Marius Wits, Felix Blüm and Peter ten Dijke
DOI: https://doi.org/10.24820/ark.5550190.p012.516
Full Text: PDF (838K)
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Arkivoc 2025 (3) 202512516
received Dec 2 2025; accepted Feb 14 2026; published Mar 23 2026;
15. NrTP - from snake venom to drug delivery system and beyond (HS-12532FR)
Amanda Phungula, Fernando Albericio and Beatriz G. de la Torre
DOI: https://doi.org/10.24820/ark.5550190.p012.532
Full Text: PDF (716K)
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Arkivoc 2025 (3) 202512532
received Dec 29 2025; accepted Mar 21 2026; published Apr 13 2026;
16. Synthesis of new benzenesulfonylthiourea-containing compounds (HS-12539VP)
Bongani S. Tshifaro, Mpelegeng V. Bvumbi, Tiyisela N. Mbhokazi and Simon S. Mnyakeni Moleele
DOI: https://doi.org/10.24820/ark.5550190.p012.539
Full Text: PDF (465K)
Supplementary Material: PDF (3,426K)
Export Citation: RIS
Arkivoc 2025 (3) 202612539
received Jan 7 2026; accepted Mar 31 2026; published Apr 14 2026;
17. Selective photocatalytic synthesis of quinoxaline derivatives by Cu/Pd-N-TiO2 as an efficient heterogeneous photocatalyst (HS-12521FP)
Berlinda M. Sikakane, Ross Stuart Robinson, Timothy M. Underwood and Matthew P. Akerman
DOI: https://doi.org/10.24820/ark.5550190.p012.521
Full Text: PDF (1,147K)
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Arkivoc 2025 (3) 202512521
received Dec 9 2025; accepted Jun 4 2026; published Jun 14 2026;
18. Efficient formylation of alcohols and thiols by means of formamides and benzoyl chloride (HS-12624FP)
Do Thao Thuyen, Peter Huy
DOI: https://doi.org/10.24820/ark.5550190.p012.624
Full Text: PDF (929K)
Supplementary Material: PDF (9,300K)
Export Citation: RIS
Arkivoc 2025 (3) 202612624
received Jun 12 2026; accepted Jul 21 2026; published Jul 29 2026;


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