chemistry, Hantzsch–Widman nomenclature, also called the extended Hantzsch–Widman system (named for Arthur Rudolf Hantzsch and Karl Oskar Widman [sv; de])...
8 KB (728 words) - 09:34, 31 August 2024
commercial applications, inorganic ring systems are mainly of theoretical interest. IUPAC recommends the Hantzsch-Widman nomenclature for naming heterocyclic...
20 KB (1,019 words) - 10:03, 11 December 2024
S2CID 98654832. Powell, W. H. (1983). "Revision of the extended Hantzsch-Widman system of nomenclature for hetero mono-cycles" (PDF). Pure and Applied...
76 KB (7,667 words) - 07:10, 20 December 2024
compounds such as arsole is based on an extension of the Hantzsch–Widman nomenclature system approved by IUPAC, as summarized below: Because of its similarity...
13 KB (1,267 words) - 14:52, 17 November 2024
selenium is substituted for the oxygen atom in pyrylium. In the Hantzsch-Widman system of nomenclature, it is called seleninium. This is the name used...
6 KB (627 words) - 13:06, 23 January 2024
phosphorus, ring opening, or ring expansion. According to the extended Hantzsch-Widman system of naming heterocyclic parent hydrides, the saturated four-membered...
26 KB (2,186 words) - 20:52, 31 October 2024
tellurium is substituted for the oxygen atom in pyrilium. In the Hantzsch-Widman system it is called tellurinium. This is the name used by Chemical Abstracts...
5 KB (512 words) - 08:24, 14 April 2024
electrophilic halogenation may be called haliranium ions, using the Hantzsch-Widman nomenclature system. The simplest halonium ions are of the structure H−+X−H (X...
9 KB (1,070 words) - 18:06, 5 May 2024
sulfur, or oxygen) as part of the ring. Their names originate from the Hantzsch–Widman nomenclature. The parent compounds are aromatic and have two double...
5 KB (477 words) - 09:41, 11 December 2024
principle or Hammond postulate Hantzsch pyrrole synthesis Hantzsch dihydropyridine synthesis, Hantzsch pyridine synthesis Hantzsch pyridine synthesis, Gattermann–Skita...
37 KB (3,428 words) - 16:27, 11 November 2024
and borazines, which contain only boron and nitrogen in the rings). Hantzsch–Widman nomenclature is recommended by the IUPAC for naming heterocycles, but...
28 KB (3,302 words) - 14:18, 13 November 2024
is trifluoromethylammonium. Chemistry portal Descriptor (chemistry) Hantzsch–Widman nomenclature International Union of Biochemistry and Molecular Biology...
40 KB (4,523 words) - 00:17, 12 December 2024
Functional class name, also known as a radicofunctional name Fusion name Hantzsch–Widman nomenclature Multiplicative name Replacement name Substitutive name...
27 KB (3,153 words) - 17:03, 18 December 2024
"Bicyclo [2.2.2]octa-2,5,7-triene (barrelene), a unique cyclic six electron pi system". Journal of the American Chemical Society. 82 (6): 1514–1515. doi:10.1021/ja01491a071...
44 KB (1,916 words) - 07:59, 10 December 2024
heterocyclic ring system (see figure to the right), which is a fusion between the benzene and diazepine ring systems. Under Hantzsch–Widman nomenclature,...
159 KB (16,665 words) - 01:37, 27 October 2024
monocyclic hydrides (i.e single rings consisting of one element): the Hantzsch–Widman nomenclature (the method preferred for rings of size 3–10) "skeletal...
37 KB (3,872 words) - 07:12, 10 May 2024
April 2020. Retrieved 11 November 2020. "Nomination Archive – Arthur Hantzsch". NobelPrize.org. April 2020. Retrieved 11 November 2020. "Nomination Archive...
358 KB (12,268 words) - 10:51, 20 December 2024