In organic chemistry, a methine group or methine bridge is a trivalent functional group =CH−, derived formally from methane. It consists of a carbon atom...
3 KB (311 words) - 10:01, 12 February 2023
Polymethine dyes (redirect from Methine dyes)
acceptor A and an electron donor D. Structural of methine dyes Methine dyes comprise an odd number of methine groups. The end groups can also be part of a...
12 KB (1,112 words) - 19:22, 14 March 2023
(a carbyne); CH• (or •CH), CH3• (or ⫶CH) The methylidyne group ≡CH The methine group (methanylylidene, methylylidene) =CH− Chomsky hierarchy, in computer...
4 KB (459 words) - 18:09, 14 February 2024
as early as 1949. Akin to HMOX, coupled oxidation occurs at the alpha-methine bridge and leads to formation of biliverdin although the reaction's stoichiometry...
34 KB (3,774 words) - 05:36, 22 August 2024
easily be deprotonated to form a methylene group. Carbene Methyl group Methine "methylene (preferred IUPAC name" (PDF). "methylidene (preferred IUPAC...
2 KB (215 words) - 23:50, 10 September 2024
the bilin's parent compound was protoporphyrin IX cleaved at the alpha-methine bridge (see protoporphyrin IX nomenclature). Origins pertaining to the...
52 KB (5,367 words) - 18:00, 27 August 2024
odd number of methine groups (CH) bound together by alternating single and double bonds. Compounds made up from an even number of methine groups are known...
793 bytes (90 words) - 16:02, 12 May 2022
four modified pyrrole subunits interconnected at their α carbon atoms via methine bridges (=CH−). In vertebrates, an essential member of the porphyrin group...
25 KB (2,304 words) - 16:20, 3 August 2024
flat macrocycle, consisting of four pyrrole-like rings joined by four methine bridges, which makes it the simplest of the tetrapyrroles. The nonpolar...
5 KB (375 words) - 22:03, 15 January 2024
biotechnology, special cyanine dyes are synthesized from 2, 3, 5 or 7-methine structures with reactive groups on either one or both of the nitrogen ends...
17 KB (1,827 words) - 07:44, 7 June 2024