Pyrrole is a heterocyclic, aromatic, organic compound, a five-membered ring with the formula C4H4NH. It is a colorless volatile liquid that darkens readily...

substituted furans, pyrroles, or thiophenes from 1,4-diketones. It is a synthetically valuable method for obtaining substituted furans and pyrroles, which are...

The Knorr pyrrole synthesis is a widely used chemical reaction that synthesizes substituted pyrroles (3). The method involves the reaction of an α-amino-ketone...

substituted pyrroles (3). Pyrroles are found in a variety of natural products with biological activity, so the synthesis of substituted pyrroles has important...

unstrained organic 5- and 6-membered rings. Included are pyridine, thiophene, pyrrole, and furan. Another large class of organic heterocycles refers to those...

Polypyrrole (PPy) is an organic polymer obtained by oxidative polymerization of pyrrole. It is a solid with the formula H(C4H2NH)nH. It is an intrinsically conducting...

Pyrrole–imidazole polyamides (PIPs) are a class of polyamides have the ability to bind to minor grooves found in the DNA helix. Scientists are experimenting...

heterocyclic, macrocyclic, organic compounds, composed of four modified pyrrole subunits interconnected at their α carbon atoms via methine bridges (=CH−)...

Pyrrole-2-carboxylate decarboxylase (EC 4.1.1.93) is an enzyme with systematic name pyrrole-2-carboxylate carboxy-lyase. This enzyme catalyses the following...

N-Methyl-2-pyrrolidone (NMP) is an organic compound consisting of a 5-membered lactam. It is a colorless liquid, although impure samples can appear yellow...

Pyrrole-2-carboxylate monooxygenase (EC 1.14.13.130, pyrrole-2-carboxylate oxygenase) is an enzyme with systematic name pyrrole-2-carboxylate,NADH:oxygen...

Pyrrole-2-carboxylic acid is an organic compound with the formula HNC4H3CO2H. It is one of two monocarboxylic acids of pyrrole. It is a white solid. It...

Succinimide is an organic compound with the formula (CH2)2(CO)2NH. This white solid is used in a variety of organic syntheses, as well as in some industrial...

for benzene and related heterocycles thiophene and pyrrole. The resonance energies of benzene, pyrrole, thiophene, and furan are, respectively, 152, 88...

Simple monocyclic aromatic rings are usually five-membered rings like pyrrole or six-membered rings like pyridine. Fused/condensed aromatic rings consist...

5-Bis(hydroxymethyl)pyrrole is an organic chemical compound with formula C6H9O2N, or (HOCH2)2(C4H3N). Its molecule can be described as that of pyrrole C4H5N with...

are a class of chemical compounds that contain four pyrrole or pyrrole-like rings. The pyrrole/pyrrole derivatives are linked by (=(CH)- or -CH 2- units)...

Indoleamine-pyrrole 2,3-dioxygenase (IDO or INDO EC 1.13.11.52) is a heme-containing enzyme physiologically expressed in a number of tissues and cells...

Paine, John B.; Dolphin, David (1985-12-01). "Pyrrole chemistry. An improved synthesis of ethyl pyrrole-2-carboxylate esters from diethyl aminomalonate"...

isoelectronic to and related to pyrrole except that an arsenic atom is substituted for the nitrogen atom. Whereas the pyrrole molecule is planar, the arsole...

methyl groups are located on the carbon centers that interconnect the four pyrrole rings. Also unlike porphyrins, the porphyrinogens are highly ruffled. The...

Trofimov Reaction is a reaction used to synthesize [2,3] disubstituted pyrroles from ketoximes and acetylene using the superbase medium potassium hydroxide...

The exact color depends on the number of pyrrole rings and the amino acids involved. When four of the pyrrole rings have been joined together, the resulting...

structure, consisting of a six-membered benzene ring fused to a five-membered pyrrole ring. Indoles are derivatives of indole where one or more of the hydrogen...

isoguanine and isocytosine or the fluorescent 2-amino-6-(2-thienyl)purine and pyrrole-2-carbaldehyde. In medicine, several nucleoside analogues are used as anticancer...

and thus appear colored. The two-pyrrole molecule looks red, the three-pyrrole molecule looks blue, and the four-pyrrole molecule looks green (like chlorophyll...

reduced pyrrole ring (D). Bacteriochlorophylls c to f occur in the form of closely related homologs with different alkyl groups attached to pyrrole rings...

are accessed from a suitable pyrrole derivatives by several methods. Normally, one alpha-position in employed pyrroles is substituted and the other is...

reacts by ipso substitution. Compared to benzene, furans, thiophenes, and pyrroles are more susceptible to electrophilic attack. These compounds all contain...

Naman, C. B.; Deng, Y.; Chai, H.; Keller, W. J.; Kinghorn, A. D. (2014). "Pyrrole Alkaloids with Potential Cancer Chemopreventive Activity Isolated from...