the prefixes end in "a": In Hantzsch–Widman nomenclature (but not in some other methods of naming heterocycles), the final "a" is elided when the prefix...

producing a mildly alkaline solution. In chemistry, it is an aromatic heterocycle, classified as a diazole, and has non-adjacent nitrogen atoms in meta-substitution...

6-trichloropyrimidine followed by reduction using zinc dust in hot water. The nomenclature of pyrimidines is straightforward. However, like other heterocyclics...

A phosphetene is an unsaturated four-membered organophosphorus heterocycle containing one phosphorus atom. It is a heavier analog of an azetine, or dihydroazete...

meaning fire. The suffix idine was added in compliance with the chemical nomenclature, as in toluidine, to indicate a cyclic compound containing a nitrogen...

carbon structure can be abbreviated C6-C3-C6. According to the IUPAC nomenclature, they can be classified into: flavonoids or bioflavonoids isoflavonoids...

naphthalene). In 1870, the German chemist Viktor Meyer first applied Gräbe's nomenclature to benzene. In 1903, Ludwig Roselius popularized the use of benzene to...

unsaturated lactone ring −(CH)=(CH)−(C=O)−O−, forming a second six-membered heterocycle that shares two carbons with the benzene ring. It belongs to the benzopyrone...

replaced at least one carbon center; this is to some extent similar to heterocycles. Metallacycles appear frequently as reactive intermediates in catalysis...

compound with the formula C6H4CCNH3. Indole is classified as an aromatic heterocycle. It has a bicyclic structure, consisting of a six-membered benzene ring...

Surfactants, types and uses Archived 31 July 2020 at the Wayback Machine (pdf) The amine oxides homepage Nomenclature of nitrogen compounds IUPAC definition...

isoquinoline alkaloid Naphthalene, an analog without the nitrogen atom Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013...

rotation are small and are usually within 1°. Using the rules of systematic nomenclature, adamantane is called tricyclo[3.3.1.13,7]decane. However, IUPAC recommends...

before use. Pyrrole has a nutty odor. Pyrrole is a 5-membered aromatic heterocycle, like furan and thiophene. Unlike furan and thiophene, it has a dipole...

is 3000 mg/kg. "Characteristic (Functional) and Substituent Groups". Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013...

Pterobilin also called biliverdin IXγ in the Fischer nomenclature, is a blue bile pigment found in Nessaea spp., Graphium agamemnon, G. antiphates, G....

(PDF). American National Bureau of Standards (10): 17. "Front Matter". Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013...

heteroatoms, such as carbonyls and imines, which furnish the corresponding heterocycles; this variant is known as the hetero-Diels–Alder reaction. The reaction...

Nomenclatur der Superoxyde und die Superoxyde der Aldehyde" [On the nomenclature of peroxides and the peroxide of aldehydes] (PDF). Berichte der Deutschen...

manuscripts sent to THE JOURNAL are, of course, edited in accordance with the nomenclature of the latest edition of the Pharmacopeia. United States Pharmacopœial...

ISBN 0-08-043713-3 IUPAC 1959, Nomenclature of Inorganic Chemistry, 1st ed., Butterworths, London IUPAC 1971, Nomenclature of Inorganic Chemistry, 2nd ed...

from chalcones and hydrazine under mechanochemical ball milling". Heterocycles. 89 (1): 103–112. doi:10.3987/COM-13-12867. Wang, H; Dai, X.-J.; Li,...

(62nd ed.). Boca Raton, FL: CRC Press. p. C-259. ISBN 0-8493-0462-8.. "Nomenclature and symbolism for amino acids and peptides (IUPAC-IUB Recommendations...