Pyrrole is a colorless volatile liquid that darkens readily upon exposure to air, and is usually purified by distillation immediately before use. [6] Pyrrole has a nutty odor. Pyrrole is a 5 …

吡咯可用1，4-二羰基化合物与氨反应制取，工业上吡咯由丁炔二醇与氨通过催化作用制备。吡咯与苯并联的化合物称为吲哚 ...

Pyrrol Parzate Pyrrhol PYRROLE Imidole pyrrole HSDB 119 AI3-18817 NSC 62777 CCRIS 2933 1H-Pyrrole Monopyrrole FEMA No. 3386 Divinylenimine Divinyleneimine UNII-86S1ZD6L2C 1 …

The ability of 10 pyrroles to block the acidic nitrosation of morpholine has been determined by using an assay that measures their effectiveness in the presence of a 10-fold excess of amine. …

2025年2月27日 · Pyrrole (CAS 109-97-7) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices ...

Objectives. After completing this section, you should be able to. draw the structure of the common aromatic heterocycles pyridine and pyrrole. use the Hückel 4n + 2 rule to explain the …

2018年9月5日 · Joshi et al. [183] synthesized a novel series of 4-pyrrol-1-yl benzoic acid hydrazide analogues, some derived 5-substituted-2-thiol-1,3,4-oxadiazoles, 5-substituted-4 …

吡咯环上的5个原子均为sp2杂化，处于同一平面，氮原子的一对未共用电子占据的p轨道，与四个碳原子的p轨道平行且重叠，形成5原子、6个π电子的闭合共轭体系，具有芳香性，易发生亲 …

2024年8月16日 · Pyrrole is a heterocyclic structure with diverse pharmacophores, enabling the creation of an extensive lead molecule library. Its broad range of pharmacological profiles has …

2024年4月22日 · Pyrroles are 5-membered heterocyclic aromatic compounds with a nitrogen atom and 4 carbons in a pentagonal ring.