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...

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

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...

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

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

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...

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

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...

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

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...

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)...

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...

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

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...

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...

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

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

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

strategy would be to start with a Boc (tert-Butoxycarbonyl) protected pyrrole molecule and use specific reaction for synthesis into the desired compound...

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

of kaempferol and isorhamnetin. They also contain caffeoylmalic and two pyrrole acids. It is in a different family from Anacyclus pyrethrum, also called...

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

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...

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

heterocyclic chemistry, isoindole consists of a benzene ring fused with pyrrole. The compound is an isomer of indole. Its reduced form is isoindoline....

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...

may act as bases at very low pH, being protonated at the oxygen), and pyrrole is not basic because the lone pair is delocalised as part of an aromatic...