Video Experimental Relacionado

Updated: Jul 3, 2026

Toxin Induction and Protein Extraction from Fusarium spp. Cultures for Proteomic Studies

Toxin Induction and Protein Extraction from Fusarium spp. Cultures for Proteomic Studies

Published on: February 16, 2010

Síntesis total de la apratoxina A

Jiehao Chen¹, Craig J Forsyth

¹Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, USA.

Journal of the American Chemical Society

|July 17, 2003

Resumen

Se logró la síntesis total de la apratoxina A, un ciclodepsipéptido de las cianobacterias. Este estudio detalla los métodos estereocontrolados para la construcción de la policetida y un nuevo anillo de tiazolina.

Área de la Ciencia:

Química orgánica es la química orgánica.
Síntesis de Productos Naturales.
Biología Marina Biología Marina.

Sus antecedentes:

Apratoxina A es un ciclodepsipéptido aislado de cianobacterias de la especie Lyngbya.
Las cianobacterias producen una amplia gama de productos naturales bioactivos.
Comprender la síntesis de tales compuestos ayuda en el descubrimiento de fármacos y la biología química.

Objetivo del estudio:

Para lograr la síntesis total de la apratoxina A.
Desarrollar métodos estereocontrolados para la construcción de la columna vertebral poliquetídica.
Establecer una nueva síntesis en etapa tardía de la fracción de tiazolina 2,4-disubstituida.

Principales métodos:

Síntesis total utilizando reacciones estereocontroladas.
Construcción de la nueva estructura poliquetídica.
Instalación tardía del anillo de tiazolina a través de la reacción intramolecular de reducción de Staudinger/aza-Wittig.

Principales resultados:

El éxito de la síntesis total de apratoxina A.
Se ha demostrado el acceso estereocontrolado a la policetida.
Formación eficiente en etapa tardía de la fracción sensible de tiazolina.

Conclusiones:

Se logró con éxito la síntesis total de apratoxina A.
La ruta sintética desarrollada proporciona valiosos conocimientos sobre la construcción de complejos ciclodepsipeptidos.
Esta síntesis abre caminos para el desarrollo analógico y la evaluación biológica.

Más Videos Relacionados

RNAi-mediated Control of Aflatoxins in Peanut: Method to Analyze Mycotoxin Production and Transgene Expression in the Peanut/Aspergillus Pathosystem

RNAi-mediated Control of Aflatoxins in Peanut: Method to Analyze Mycotoxin Production and Transgene Expression in the Peanut/Aspergillus Pathosystem

Published on: December 21, 2015

Synthesis and Structure Determination of µ-Conotoxin PIIIA Isomers with Different Disulfide Connectivities

Synthesis and Structure Determination of µ-Conotoxin PIIIA Isomers with Different Disulfide Connectivities

Published on: October 2, 2018

Videos de Conceptos Relacionados

ATP Synthase: Mechanism

ATP Synthase: Mechanism

In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear genome encodes the majority of ATP synthase subunits, the mitochondrial genome encodes some of the enzyme's most critical components. The formation of this multi-subunit enzyme is a complex multi-step process regulated at the level of transcription, translation, and assembly. Defects in one or more of these steps can result in decreased ATP...

ATP and Macromolecule Synthesis

ATP and Macromolecule Synthesis

Biological macromolecules are organic compounds, predominantly composed of carbon atoms. The carbon atoms are covalently bonded with hydrogen, oxygen, nitrogen, and other minor elements. There are four major biological macromolecule classes: carbohydrates, lipids, proteins, and nucleic acids.
Most macromolecules are composed of single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers.
Conversion of...

Physical Properties of Amines

Physical Properties of Amines

Amines with low molecular weight are usually gaseous at room temperature, while those with high molecular weight are liquid or solids in nature. Usually, low molecular weight amines have a rotten fish-like smell. Diamines typically have a pungent smell. For instance, cadaverine and putrescine, depicted in Figure 1, are two molecules responsible for decaying tissue.

Types of Toxins

Types of Toxins

Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...