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Updated: May 12, 2026

A Direct, Early Stage Guanidinylation Protocol for the Synthesis of Complex Aminoguanidine-containing Natural Products
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改善阿米诺克萨辛的活性:合成,CPC净化和植物毒性潜力

Cristina Díaz-Franco1,2, Carlos Rial1, Stefan Schwaiger2

  • 1Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (ceiA3), School of Science, University of Cádiz, Puerto Real 11510, Spain.

Journal of agricultural and food chemistry
|March 4, 2026
PubMed
概括

新的aminophenoxazinones (APOs) 显示出作为生物除草剂的希望. 化合物10有效抑制了杂草根的生长,为农业提供了可持续的替代品.

关键词:
2-氨基-3H-氧-3-一个 (APO)洛硬度 (Lolium rigidum) 是一种非常强大的物质.兰塞罗拉达的植物葡萄兰 (Portulaca oleracea) 是一个植物.一种类型的异性病变 (allelopathy).离心隔离器分隔色谱学 离心隔离器分隔色谱学自然产品合成自然产品合成结构活动关系 (SAR)

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Preparation of Amines: Reduction of Oximes and Nitro Compounds01:29

Preparation of Amines: Reduction of Oximes and Nitro Compounds

Oximes can be reduced to primary amines using catalytic hydrogenation, hydride reduction, or sodium metal reduction. The reduction of aliphatic and aromatic nitro compounds to primary amines takes place by either catalytic hydrogenation or by using active metals like Fe, Zn, and Sn in the presence of an acid.
Though catalytic hydrogenation can reduce nitrobenzenes, the reduction is nonselective in the presence of other functional groups. For instance, if nitrobenzene contains an aldehyde group,...
Preparation of 1° Amines: Hofmann and Curtius Rearrangement Overview01:07

Preparation of 1° Amines: Hofmann and Curtius Rearrangement Overview

In the presence of an aqueous base and a halogen, primary amides can lose the carbonyl (as carbon dioxide) and undergo rearrangement to form primary amines. This reaction, called the Hofmann rearrangement, can produce primary amines (aryl and alkyl) in high yields without contamination by secondary and tertiary amines.