Taehwan Hwang

ORCID: 0000-0002-8396-0255
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About
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Research Areas
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Synthetic Organic Chemistry Methods
  • Marine Sponges and Natural Products
  • Traditional and Medicinal Uses of Annonaceae
  • Bioactive Compounds and Antitumor Agents
  • Asymmetric Synthesis and Catalysis
  • Advanced Sensor and Energy Harvesting Materials
  • Crystallography and molecular interactions
  • Oxidative Organic Chemistry Reactions
  • Axial and Atropisomeric Chirality Synthesis
  • Synthesis and Catalytic Reactions
  • Advanced Chemical Sensor Technologies
  • Polydiacetylene-based materials and applications
  • Chemical synthesis and alkaloids
  • Synthesis of Organic Compounds

Baylor University
2022-2023

University of Illinois Urbana-Champaign
2016-2021

University of Illinois System
2021

The sesquiterpene-tropolones belong to a distinctive structural class of meroterpene natural products with impressive biological activities, including anticancer, antifungal, antimalarial, and antibacterial. In this article, we describe concise, modular, cycloaddition-based approach series sesquiterpene mono- bistropolones, (−)-epolone B, (+)-isoepolone (±)-dehydroxypycnidione, (−)-10-epi-pycnidione. Alongside the development general strategy access unique family metabolites were...

10.1021/jacs.1c02150 article EN Journal of the American Chemical Society 2021-04-07

Described herein are the first total syntheses of (±)-dracocephalone A (1) and (±)-dracocequinones (4) B (5). The synthesis was initially envisioned as proceeding through an intramolecular isobenzofuran Diels-Alder reaction, a strategy that eventually evolved into Lewis acid-promoted spirocyclization. This highly diastereoselective transformation set stage for trans-decalin formation late-stage Suárez oxidation produced [3.2.1] oxabicycle suited conversion to 1. Brønsted acid-mediated...

10.1002/anie.202210821 article EN cc-by-nc-nd Angewandte Chemie International Edition 2022-09-19

Described herein is an asymmetric synthesis of a functionalized 1,2,3-trisubstituted cyclopentane building block, derivatives which are commonly found in numerous natural products. Key steps include Lewis-acid-mediated cyclobutane ring opening, diastereoselective chlorination, and Favorskii rearrangement.

10.2139/ssrn.4364109 article EN 2023-01-01

Described herein is an asymmetric synthesis of a functionalized 1,2,3-trisubstituted cyclopentane building block, derivatives which are commonly found in numerous natural products. Key steps include Lewis acid-mediated cyclobutane ring opening, diastereoselective chlorination, and Favorskii rearrangement.

10.1016/j.tet.2023.133384 article EN cc-by-nc-nd Tetrahedron 2023-04-03

Abstract Described herein are the first total syntheses of (±)‐dracocephalone A ( 1 ) and (±)‐dracocequinones 4 B 5 ). The synthesis was initially envisioned as proceeding through an intramolecular isobenzofuran Diels–Alder reaction, a strategy that eventually evolved into Lewis acid‐promoted spirocyclization. This highly diastereoselective transformation set stage for trans ‐decalin formation late‐stage Suárez oxidation produced [3.2.1] oxabicycle suited conversion to . Brønsted...

10.1002/ange.202210821 article EN cc-by-nc-nd Angewandte Chemie 2022-09-19
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