Butane-1-thiol, also known as butyl mercaptan, is a volatile, clear to yellowish liquid with a fetid (extremely foul-smelling) odor, commonly described...
6 KB (496 words) - 17:06, 16 July 2024
Aroma compound (section Thiols)
added as a blend of other components to natural gas used as fuel gas. Butane-1-thiol, commonly called butyl mercaptan, is a chemical intermediate. Grapefruit...
21 KB (1,542 words) - 03:14, 15 July 2024
E-64 (redirect from Thiol protease inhibitor)
E-64 to the active site cysteine occurs via nucleophillic attack from the thiol group of the cysteine on C2 of the epoxide. Early studies suggested that...
4 KB (286 words) - 14:05, 19 December 2022
Dithiothreitol (category Thiols)
thiolate form -S− is reactive (the protonated thiol form -SH is not); the pKa of the thiol groups is 9.2 and 10.1. DTT is used as a reducing or "deprotecting"...
8 KB (872 words) - 01:49, 15 December 2023
Ethanethiol (redirect from Ethyl thiol)
Abbreviated EtSH, it consists of an ethyl group (Et), CH3CH2, attached to a thiol group, SH. Its structure parallels that of ethanol, but with sulfur in place...
10 KB (935 words) - 13:09, 17 July 2024
Glutathione (category Thiols)
radicals: GSH + R• → 1/2 GSSG + RH Aside from deactivating radicals and reactive oxidants, glutathione participates in thiol protection and redox regulation...
26 KB (2,787 words) - 10:46, 24 August 2024
reaction of iodo-bicyclo[1.1.1]pentanes with amines, thiols, and sulfinate salts. Bicyclo[1.1.0]butanes are explored in medicinal chemistry as covalent reactive...
8 KB (712 words) - 23:17, 19 November 2023
−C4H9, derived from either of the two isomers (n-butane and isobutane) of butane. The isomer n-butane can connect in two ways, giving rise to two "-butyl"...
8 KB (874 words) - 22:07, 1 March 2024
ranging from 0.5 to 0.8, and is composed of hydrocarbons such as propane, butane, pentane, and hexane. Natural gas compounds with more than two carbon atoms...
17 KB (2,067 words) - 07:42, 30 April 2024
together directly. Other popular substances on which to base stink bombs are thiols with lower molecular weight such as methyl mercaptan and ethyl mercaptan—the...
11 KB (1,111 words) - 18:16, 16 July 2024
n-butanium (n-butane protonated on an unspecified carbon) n-butylium, or n-butan-1-ylium (n-butane protonated on an end carbon) n-butan-2-ylium (n-butane protonated...
16 KB (1,499 words) - 15:22, 4 December 2023
Notable examples of asphyxiant gases are methane, nitrogen, argon, helium, butane and propane. Along with trace gases such as carbon dioxide and ozone, these...
11 KB (1,362 words) - 04:05, 2 March 2024
dehydrogenase EC 1.2.1.56: Now EC 1.1.1.280, (S)-3-hydroxyacid-ester dehydrogenase EC 1.2.1.57: butanal dehydrogenase EC 1.2.1.58: phenylglyoxylate...
189 KB (24,607 words) - 12:36, 11 June 2024
hydrocarbons and hydrogen sulfide. Thus, thiophene itself is converted to butane and H2S. More prevalent and more problematic in petroleum are benzothiophene...
23 KB (2,258 words) - 11:33, 16 February 2024
between the straight-chain and branched-chain isomers, e.g., "n-butane" rather than simply "butane" to differentiate it from isobutane. Alternative names for...
61 KB (5,952 words) - 06:02, 14 September 2024
Acetylcysteine (category Thiols)
precursor in the formation of the antioxidant glutathione in the body. The thiol (sulfhydryl) group confers antioxidant effects and is able to reduce free...
64 KB (5,984 words) - 13:28, 9 September 2024
oxidize to the corresponding aldehyde or ketone. In the thiol-yne reaction the substrate is a thiol. Addition of hydrogen halides has long been of interest...
21 KB (2,694 words) - 15:06, 25 July 2024
hydrogen, methane, ethane, hydrogen sulfide, propane, and, perhaps, some butane and heavier components. That sour gas is sent to the refinery's central...
19 KB (2,448 words) - 13:26, 11 September 2024
butane. The name is formed by changing the suffix -e of the parent alkane to -al, so that HCHO is named methanal, and CH3CH2CH2CHO is named butanal....
29 KB (3,003 words) - 01:22, 16 July 2024
degradation in the presence of light. 9,10-Dithioanthracene, derivative with two thiol groups added to the central ring Phenanthrene Tetracene Haynes, p. 3.28...
15 KB (1,036 words) - 18:19, 2 June 2024
only C4H8: 3 isomers: 1-butene, 2-butene, and isobutylene C5H10: 5 isomers: 1-pentene, 2-pentene, 2-methyl-1-butene, 3-methyl-1-butene, 2-methyl-2-butene...
48 KB (5,122 words) - 23:58, 18 July 2024
methyl acetate. Maleic anhydride is produced by the oxidation of benzene or butane. Laboratory routes emphasize the dehydration of the corresponding acids...
17 KB (1,912 words) - 13:52, 28 August 2024
Hydrofluorocarbons (HFCs): when derived from methane, ethane, propane, and butane, these compounds have the respective formulae CFmH4−m, C2FmH6−m, C3FmH8−m...
64 KB (6,658 words) - 20:19, 11 September 2024
nitride Brass Bromine Brucite Buffer solution Bunsen burner Burette Burmite Butane n-Butyllithium tert-Butyllithium sec-Butyllithium Bytownite cadmium Calamine...
23 KB (1,949 words) - 12:24, 30 July 2024
of the other carbon atoms (that would lengthen the chain and result in butane, not propane) and therefore the use of the number "2" is unnecessary. If...
40 KB (4,496 words) - 20:13, 8 August 2024
enzymes, such as glutaredoxins, generate glutathione disulfide through thiol-disulfide exchange with protein disulfide bonds or other low molecular mass...
6 KB (489 words) - 18:49, 8 June 2024
−140‰, an ethane δD of −146‰ to −107‰, a propane δD of −116‰ to −90‰, and a butane δD of −118‰ to −85‰. However, some recent studies show that opposite patterns...
236 KB (30,183 words) - 06:10, 9 September 2024
Dithioerythritol (category Thiols)
potential of DTE is the same as for DTT, about –0.331 mV. The pKa values of the thiol groups of DTE are 9.0 and 9.9, which is higher than the corresponding values...
4 KB (296 words) - 17:04, 30 December 2023
September 1921). "Über Untersuchungen in der Tetraarylbutan-Reihe und über das 1.1 4.4-Tetraphenyl-butatrien. (4. Mitteilung über die Reduktion organischer...
5 KB (588 words) - 07:18, 19 May 2024
activation can lead to the generation of free radicals and oxidation of thiol, as well as covalent binding with endogenous macromolecules; this results...
64 KB (7,069 words) - 11:00, 25 May 2024