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19 Results Found

  • Article
  • Open Access
1,839 Views
21 Pages

Practical and Efficient Synthesis of (E)-α,β-Unsaturated Amides Incorporating α-Aminophosphonates via the Horner–Wadsworth–Emmons Reaction

  • Sindy Anahi Perez-Aniceto,
  • Erica Cano-Tapia,
  • Mario Ordoñez,
  • José Luis Viveros-Ceballos and
  • Ivan Romero-Estudillo

13 September 2025

An efficient and practical procedure for the synthesis of (E)-α,β-unsaturated amides incorporating α-aminophosphonates, derived from readily accessible phosphonoacetamides, via the Horner–Wadsworth–Emmons (HWE) reaction w...

(This article belongs to the Special Issue A Themed Issue in Honor of the 20th Anniversary of the Mexican Academy of Organic Chemistry (AMQO))
  • Communication
  • Open Access
10 Citations
8,962 Views
15 Pages

27 August 2010

A microwave-assisted HWE olefination process of readily accessible aryl-alkyl ketones has been developed to provide a rapid access to (Z)-3,3-trisubstituted-α,β-unsaturated methyl esters, key building blocks for the synthesis of biologically active c...

(This article belongs to the Section Organic Chemistry)
  • Article
  • Open Access
3 Citations
5,029 Views
11 Pages

The First Total Synthesis of (±)-Methyl Salvianolate A Using a Convergent Strategy

  • Bo Wang,
  • Liping Wang,
  • Ying Peng,
  • Yiying Pang and ,
  • Hesheng Xiao,
  • Xiaoji Wang and
  • Shuangping Huang
  • + 2 authors+ 0 author

Herein, a convergent, practicable and first total synthesis of the natural product, (±)-methyl salvianolate A, is reported. The key features of the approach are the use of a Horner–Wadsworth–Emmons reaction and the protection of mu...

(This article belongs to the Special Issue Application of Organic Synthesis to Bioactive Compounds)
  • Article
  • Open Access
18 Citations
5,126 Views
25 Pages

Convenient Synthesis and Physiological Activities of Flavonoids in Coreopsis lanceolata L. Petals and Their Related Compounds

  • Daisuke Nakabo,
  • Yuka Okano,
  • Naomi Kandori,
  • Taisei Satahira and ,
  • Naoya Kataoka,
  • Junpei Akamatsu and
  • Yoshiharu Okada
  • + 2 authors+ 0 author

Chalcones, flavanones, and flavonols, including 8-methoxybutin isolated from Coreopsis lanceolata L. petals, were successfully synthesized with total yields of 2–59% from O-methylpyrogallols using the Horner–Wadsworth–Emmons reaction as a key reactio...

(This article belongs to the Special Issue Special Issue Dedicated to Late Professor Takuo Okuda, “Tannins and Related Polyphenols Revisited: Chemistry, Biochemistry and Biological Activities”)
  • Article
  • Open Access
1 Citations
2,957 Views
11 Pages

Total Synthesis of Loroxanthin

  • Yumiko Yamano,
  • Mari Tanabe,
  • Atsushi Shimada and
  • Akimori Wada

24 October 2022

The first total synthesis of loroxanthin (1) was accomplished by Horner-Wadsworth-Emmons reaction of C25-apocarotenal 8 having a silyl-protected 19-hydroxy moiety with C15-phosphonate 25 bearing a silyl-protected 3-hydroxy-ε-end group. Prepar...

(This article belongs to the Section Marine Pharmacology)
  • Article
  • Open Access
1 Citations
5,621 Views
9 Pages

14 May 2012

The synthesis of a new 2,2'-bipyridyl functionalized oligovinylenephenylene (OVP-5) containing a methyl protected thiol using Heck coupling and the Horner-Wadsworth-Emmons reaction and is described. A key step involving a diisopropylcarbodiimide prom...

(This article belongs to the Section Organic Chemistry)
  • Article
  • Open Access
5 Citations
3,437 Views
14 Pages

24 August 2022

Herein, we present the application of fluorinated carbohydrate-derived building blocks for α-hydroxy β-fluoro/β-trifluoromethyl and unsaturated phosphonates synthesis. Pudovik and Horner–Wadsworth–Emmons reactions were app...

(This article belongs to the Special Issue Fluorine Chemistry 2.0)
  • Article
  • Open Access
1,182 Views
19 Pages

Bromo Analogues of Active 3,4,5,4′-Tetramethoxy-trans-stilbene (DMU-212)—A New Path of Research to Anticancer Agents

  • Dawid Łażewski,
  • Gabriela Korzańska,
  • Łukasz Popenda,
  • Karolina Chmaj-Wierzchowska and ,
  • Artur Korzański,
  • Eduard Potapskyi,
  • Julian Myszkiewicz,
  • Agnieszka Gielara-Korzańska,
  • Agnieszka Zgoła-Grześkowiak and
  • Marcin Wierzchowski
  • + 11 authors+ 6 authors

15 December 2025

Stilbenes are a group of polyphenols that are gaining steady attention and have promising biological activity. While much attention is given to polyhydroxy compounds derived from resveratrol, other substituents remain largely unexplored. In this work...

(This article belongs to the Section Medicinal Chemistry)
  • Article
  • Open Access
4 Citations
4,292 Views
14 Pages

Synthesis and Theoretical Studies of Aromatic Azaborines

  • Pipsa Hirva,
  • Petri Turhanen and
  • Juri M. Timonen

11 July 2022

Organoboron compounds are well known for their use as synthetic building blocks in several significant reactions, e.g., palladium-catalyzed Suzuki-Miyaura cross-coupling. As an element, boron is fascinating; as part of a molecule it structurally rese...

(This article belongs to the Collection Advanced Research Papers in Organics)
  • Article
  • Open Access
9 Citations
5,006 Views
16 Pages

Syntheses and Reactions of Pyrroline, Piperidine Nitroxide Phosphonates

  • Mostafa Isbera,
  • Balázs Bognár,
  • József Jekő,
  • Cecilia Sár and ,
  • Kálmán Hideg and
  • Tamás Kálai
  • + 1 author+ 0 author

Organophosphorus compounds occupy a significant position among the plethora of organic compounds, but a limited number of paramagnetic phosphorus compounds have been reported, including paramagnetic phosphonates. This paper describes the syntheses an...

(This article belongs to the Special Issue Stable Organic Radicals)
  • Article
  • Open Access
3 Citations
3,009 Views
11 Pages

Studies on the Synthesis Process of Plant-Derived Ursodeoxycholic Acid Intermediates

  • Shaoxiong Jing,
  • Zhongyue Wang,
  • Yuan Wang,
  • Yingquan Yang and ,
  • Jian Song and
  • Bao Zhang
  • + 1 author+ 0 author

25 March 2025

Ursodeoxycholic acid (UDCA), a critical secondary bile acid in human physiology, demonstrates significant industrial potential through synthetic routes from bisnoralcohol (BA). Current synthetic routes rely on hydroxyl oxidation and Horner–Wads...

(This article belongs to the Section Applied Chemistry)
  • Article
  • Open Access
4 Citations
4,335 Views
14 Pages

Synthesis and Cytotoxic Evaluation of 3-Methylidenechroman-4-ones

  • Jacek Kędzia,
  • Tomasz Bartosik,
  • Joanna Drogosz,
  • Anna Janecka and ,
  • Urszula Krajewska and
  • Tomasz Janecki
  • + 1 author+ 0 author

In the search for new anticancer agents, a library of variously substituted 3-methylidenechroman-4-ones was synthesized using Horner–Wadsworth–Emmons methodology. Acylation of diethyl methylphosphonate with selected ethyl salicylates furn...

(This article belongs to the Special Issue Design and Synthesis of Organic Molecules as Antineoplastic Agents)
  • Article
  • Open Access
5 Citations
8,177 Views
13 Pages

28 February 2011

Controlling the size of the oligomer and introducing functional groups at the ends of the oligomer that allow it to react with separate electrodes are critical issues when preparing materials for molecular wires. We demonstrate a general synthetic ap...

  • Article
  • Open Access
14 Citations
3,777 Views
13 Pages

Total Synthesis and Anti-Inflammatory Bioactivity of (−)-Majusculoic Acid and Its Derivatives

  • Hong-Xiu Xiao,
  • Qing-Xiang Yan,
  • Zhi-Hui He,
  • Zheng-Biao Zou and ,
  • Qing-Qing Le,
  • Ting-Ting Chen,
  • Bing Cai,
  • Xian-Wen Yang and
  • Su-Lan Luo
  • + 4 authors+ 0 author

21 May 2021

The first total synthesis of marine natural product, (−)-majusculoic acid (1) and its seven analogs (9–15), was accomplished in three to ten steps with a yield of 3% to 28%. The strategy featured the application of the conformational controlled estab...

(This article belongs to the Special Issue Synthesis of Marine Natural Products and Molecules Inspired by Marine Substances II)
  • Article
  • Open Access
20 Citations
15,457 Views
30 Pages

Synthesis of New Azetidine and Oxetane Amino Acid Derivatives through Aza-Michael Addition of NH-Heterocycles with Methyl 2-(Azetidin- or Oxetan-3-Ylidene)Acetates

  • Emilis Gudelis,
  • Sonata Krikštolaitytė,
  • Monika Stančiauskaitė,
  • Urtė Šachlevičiūtė and ,
  • Aurimas Bieliauskas,
  • Vaida Milišiūnaitė,
  • Rokas Jankauskas,
  • Neringa Kleizienė,
  • Frank A. Sløk and
  • Algirdas Šačkus
  • + 5 authors+ 0 author

21 January 2023

In this paper, a simple and efficient synthetic route for the preparation of new heterocyclic amino acid derivatives containing azetidine and oxetane rings was described. The starting (N-Boc-azetidin-3-ylidene)acetate was obtained from (N-Boc)azetidi...

(This article belongs to the Special Issue Recent Advances in Heterocycles Synthesis)
  • Article
  • Open Access
3 Citations
3,729 Views
12 Pages

Synthesis of 2,2,6-Trisubstituted 5-Methylidene-tetrahydropyran-4-ones with Anticancer Activity

  • Tomasz Bartosik,
  • Jacek Kędzia,
  • Joanna Drogosz-Stachowicz,
  • Anna Janecka and ,
  • Urszula Krajewska,
  • Marek Mirowski and
  • Tomasz Janecki
  • + 2 authors+ 0 author

30 January 2020

In our continuous search for new, relatively simple 2-alkylidene-1-oxoheterocycles as promising anticancer drug candidates, herein we report an efficient synthesis of 2,2,6-trisubstituted 5-methylidenetetrahydropyran-4-ones. These compounds were obta...

(This article belongs to the Section Organic Chemistry)
  • Article
  • Open Access
2 Citations
1,572 Views
14 Pages

Naturally occurring antioxidants have attracted significant research interest, owing to their radical scavenging ability that can be improved via structural modifications. In this study, aromaticity-extended resveratrol analogues (3–5) containi...

(This article belongs to the Special Issue Potential Health Benefits of Resveratrol: Laboratory-Confirmed Mechanisms of Action)
  • Article
  • Open Access
246 Views
14 Pages

Efficient Synthesis of the Fungal Phytotoxin (±)-3-Deoxyradicinin

  • Marilena Caporale,
  • Giulia Marsico,
  • Patrizia Scafato and
  • Stefano Superchi

24 September 2026

An efficient synthesis of phytotoxin (±)-3-deoxyradicinin was developed from commercially available 4-hydroxy-6-methyl-2H-pyran-2-one. The propenyl side chain was introduced through regioselective bromination followed by Horner–Wadsworth...

(This article belongs to the Special Issue Fungal Phytotoxins: A Themed Issue in Honor of Prof. Antonio Evidente)
  • Article
  • Open Access
10 Citations
4,789 Views
16 Pages

New Zampanolide Mimics: Design, Synthesis, and Antiproliferative Evaluation

  • Guanglin Chen,
  • Ziran Jiang,
  • Qiang Zhang,
  • Guangdi Wang and
  • Qiao-Hong Chen

15 January 2020

Zampanolide is a promising microtubule-stabilizing agent (MSA) with a unique chemical structure. It is superior to the current clinically used MSAs due to the covalent nature of its binding to β-tubulin and high cytotoxic potency toward multidru...

(This article belongs to the Special Issue Anticancer Agents: Design, Synthesis and Evaluation)