
吡喃酮_百度百科
吡喃酮(英文名称pyrone)是吡喃的酮类衍生物,是一类六元的含氧杂环化合物。 与吡喃一样,根据环中双键和羰基的位置不同,吡喃酮可以有两个异构体:即α-吡喃酮(α-pyrone)和γ-吡喃 …
Pyrone - Wikipedia
Pyrones or pyranones are a class of heterocyclic chemical compounds. They contain an unsaturated six-membered ring, which has one oxygen atom and a ketone functional group. …
Biosynthesis of α-pyrones - PubMed
2016年3月24日 · The α-pyrone moiety is a structural feature found in a huge variety of biologically active metabolites. In recent times new insights into additional biosynthetic mechanisms, …
α-pyrones: Small molecules with versatile structural diversity ...
2017年7月1日 · The investigations in the chemistry and biology of α-pyrone (2-pyrone) are of vital importance as they constitute an essential pharmacophore in many naturally occurring and …
A facile synthesis in aqueous medium of 3-hydroxy-2-pyrone …
2022年1月1日 · In this paper we report a fast and efficient process for the synthesis of 3-hydroxy-2-pyrone performed in aqueous media, easily scalable, suitable to be conducted in single …
Pyrone - an overview | ScienceDirect Topics
Pyrone is a class of fungal specialized metabolites that contain a pyrone moiety with a ketone group, and it includes α-pyrones, β-pyrones, γ-pyrones, chromones, and naphthopyrones. …
2-乙基-3-羟基-4-吡喃酮_化工百科 - ChemBK
是一种广谱高效增香剂和增甜剂,也是香味改良剂与定香剂。 具有抑酸、抑苦、除刺激、防腐等作用。 香味比麦芽酚强4~6倍,具有显著的增香作用。 广泛应用于调味品、烘焙食品以及用于 …
Emergence of 2-Pyrone and Its Derivatives, from Synthesis to
2021年9月23日 · Pyrones are a class of six-membered conjugated cyclic esters possessing reactivity similar to lactones and 1,3-dienes. They exist in two isomeric forms, α -pyrone and γ …
Hydroxypyrone derivatives in drug discovery: from chelation …
Metal complexes of hydroxy- (thio)pyr (id)ones have been investigated as magnetic resonance imaging contrast agents, and anticancer and antidiabetic agents. In recent years, this …
2-Pyrone - Wikipedia
2-Pyrone (α-pyrone or pyran-2-one) is an unsaturated cyclic chemical compound with the molecular formula C 5 H 4 O 2. It is isomeric with 4-pyrone. 2-Pyrone is used in organic …