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Process of converting methane to another molecule
Methane functionalization is the process of converting methane in its gaseous state to another molecule with a functional group, typically methanol or
Methane_functionalization
Hydrocarbon compound (CH4) in natural gas
Methane (US: /ˈmɛθeɪn/ METH-ayn, UK: /ˈmiːθeɪn/ MEE-thayn) is a chemical compound that has the chemical formula CH4 (one carbon atom bonded to four hydrogen
Methane
Organic reaction
amount) or in a separate step, to produce the functionalized product. The alternative term C−H functionalization is used to describe any reaction that converts
Carbon–hydrogen bond activation
Carbon–hydrogen_bond_activation
Formation of methane by microbes
Methanogenesis or biomethanation is the formation of methane coupled to energy conservation by microbes known as methanogens. It is the fourth and final
Methanogenesis
Chemical compound
Role of SO3 as an Oxidizing Agent in Methane Functionalization by the Catalytica Process. A Density Functional Theory Study". Organometallics. 22 (8):
Methyl_bisulfate
Type of material
are triglycidyl-p-aminophenol (functionality 3) and N,N,N′,N′-tetraglycidyl-bis-(4-aminophenyl)-methane (functionality 4). The resins are low to medium
Epoxy
Medical condition
methanogens overgrow in the gastrointestinal tract, producing an excess of methane gas. The disorder is distinct from small intestinal bacterial overgrowth
Intestinal methanogen overgrowth
Intestinal_methanogen_overgrowth
Type of microorganism that uses methane as a carbon source
Methylocystis strains. In functional terms, methanotrophs are referred to as methane-oxidizing bacteria. However, methane-oxidizing bacteria encompass
Methanotroph
Group of atoms giving a molecule characteristic properties
a functional group is any substituent or moiety in a molecule that causes the molecule's characteristic chemical reactions. The same functional group
Functional_group
Class of enzymes
Methane monooxygenase (MMO) is an enzyme capable of oxidizing the C-H bond in methane as well as other alkanes. Methane monooxygenase belongs to the class
Methane_monooxygenase
Chemical compound
Triphenylmethane or triphenyl methane (sometimes also known as Tritan), is the hydrocarbon with the formula (C6H5)3CH. This colorless solid is soluble
Triphenylmethane
Type of saturated hydrocarbon compound
formula CnH2n+2 and therefore range in complexity from the simplest case of methane (CH4), where n = 1, to arbitrarily large and complex molecules, like hexacontane
Alkane
Ocean floor area with hydrocarbon-rich seepage
area of the ocean floor where seepage of fluids rich in hydrogen sulfide, methane, and other hydrocarbons occurs, often in the form of a brine pool. Cold
Cold_seep
Redox reaction that takes place with organic compounds
Simple functional groups can be arranged in order of increasing oxidation state. The oxidation numbers are only an approximation: When methane is oxidized
Organic_redox_reaction
Chemical reaction which adds an –OH group to an organic compound
bond of alkenes. Methane is one of the most studied substrates for hydroxylation because it is abundant in natural gas. Although methane has value as a
Hydroxylation
Potential method of reducing climate change
Atmospheric methane removal is a category of potential approaches being researched to accelerate the breakdown of methane that is in the atmosphere, for
Atmospheric_methane_removal
Type of microorganism that produces methane as a waste product
Methanogens are anaerobic archaea that produce methane as a byproduct of their energy metabolism, i.e., catabolism. Methane production, or methanogenesis, is the
Methanogen
Methane molecules that contain two or more rare isotopes
Methane clumped isotopes are methane molecules that contain two or more rare isotopes. Methane (CH4) contains two elements, carbon and hydrogen, each of
Methane_clumped_isotopes
Chemical compound
(2007). Transition and Main Group Metals Applied to Oxidative Functionalization of Methane and Use as High Oxygen Carriers for Rocket Propellants. pp. 139–158
Tetranitratoaluminate
Cereal grain and staple food
croplands, some 30% of agricultural methane emissions, and 11% of agricultural nitrous oxide emissions. Methane is released from rice fields subject
Rice
Medical diagnostic test
A hydrogen breath test (HBT) or hydrogen-methane breath test is a breath test used as a diagnostic tool for small intestine bacterial overgrowth (SIBO)
Hydrogen_breath_test
Source of gas emissions
concern consist primarily of methane and nitrous oxide emissions. Wetlands are the largest natural source of atmospheric methane in the world, and are therefore
Greenhouse gas emissions from wetlands
Greenhouse_gas_emissions_from_wetlands
Hoofed herbivorous grazing or browsing mammals
digestive physiology. Methane is produced by a type of archaea, called methanogens, as described above within the rumen, and this methane is released to the
Ruminant
Russian chemist (born 1946)
hydrocarbons particularly using “green oxidants” H2O2 and O2, activation and functionalization of C–H bonds in saturated and aromatic hydrocarbons, organometallic
Georgiy_B._Shul'pin
Canadian Chemist
as a Green Solvent for various chemical reactions (C-H activation/Functionalization, Grignard type-reactions in water. Li originated the concepts of
Chao-Jun_Li
Chemical reaction involving a change in spin state
885, Activation and Functionalization of C–H Bonds, 2004, 1–43 Siegbahn, Per (1996). "Comparison of the C-H Activation of Methane by M(C5H5)(CO) for M=Cobalt
Spin-forbidden_reactions
Organic compound consisting entirely of hydrogen and carbon
diverse range of molecular structures and phases: they can be gases (such as methane and propane), liquids (such as hexane and benzene), low melting solids
Hydrocarbon
Chemical group (–CH3) derived from methane
alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula CH3 (whereas normal methane has the formula
Methyl_group
Anion of aluminium and nitrate
(2007). Transition and Main Group Metals Applied to Oxidative Functionalization of Methane and Use as High Oxygen Carriers for Rocket Propellants. pp. 173–174
Pentanitratoaluminate
Bodily function of expelling intestinal gas from the anus
Hydrogen, carbon dioxide and methane are all produced in the gut and contribute 74% of the volume of flatus in normal subjects. Methane and hydrogen are flammable
Flatulence
Principal curcuminoid of turmeric
coloring in US. Curcumin incorporates a seven carbon linker and three major functional groups: an α,β-unsaturated β-diketone moiety and an aromatic O-methoxy-phenolic
Curcumin
Possible alternative biochemicals used by life forms
molecule, and cosmically abundant; and non-polar hydrocarbon solvents such as methane and ethane, which are known to exist in liquid form on the surface of Titan
Hypothetical types of biochemistry
Hypothetical_types_of_biochemistry
Large animals
atmospheric concentration of methane, which is an important greenhouse gas. Modern ruminant herbivores produce methane as a byproduct of foregut fermentation
Megafauna
Natural gas field that is isolated from market
; Hashiguchi, Brian G.; Periana, Roy A. (2017). "Homogeneous Functionalization of Methane". Chemical Reviews. 117 (13): 8521–8573. doi:10.1021/acs.chemrev
Stranded_gas
American chemist
organopalladium species, particularly those implicated in Pd-catalyzed C–H functionalization reactions. Her group has also developed new methods to access fluorinated
Melanie_Sanford
Chemical Reaction
of methane (OCM) is a potential chemical reaction studied in the 1980s for the direct conversion of natural gas, primarily consisting of methane, into
Oxidative_coupling_of_methane
Chemical compound
is a monoterpenoid that contains a thiol (also known as a mercaptan) functional group. Structurally, a hydroxy group of terpineol is replaced by the thiol
Grapefruit_mercaptan
Medical condition
as an increased number of bacteria measured via exhaled hydrogen and/or methane gas following the ingestion of glucose or lactulose, or via analysis of
Small intestinal bacterial overgrowth
Small_intestinal_bacterial_overgrowth
(2007). Transition and Main Group Metals Applied to Oxidative Functionalization of Methane and Use as High Oxygen Carriers for Rocket Propellants. pp. 164–165
Hexanitratoaluminate
Chemical acid found in vinegar
440 °C (824 °F), acetic acid decomposes to produce carbon dioxide and methane, or to produce ketene and water: CH3COOH → CH4 + CO2 CH3COOH → CH2=C=O
Acetic_acid
Biological oxidation of ammonia/ammonium to nitrate
also inhibit the oxidation of methane in methanotrophic bacteria. AMO shows similar kinetic turnover rates to methane monooxygenase (MMO) found in methanotrophs
Nitrification
Genus of archaea
living in a methane-rich environment. The Japanese scientists created a separate bioreactor chamber that injected a continuous flow of methane. The complete
Promethearchaeum
Type of organic compound or group
represent hydrogen or an alkyl group). A common aminal is bis(dimethylamino)methane, a colorless liquid that is prepared by the reaction of dimethylamine and
Aminal
Sequence of organic compounds with similar chemical properties
boiling point than methane (CH4). This is because the London dispersion forces between ethane molecules are higher than that between methane molecules, resulting
Homologous_series
Chemical compound
"Induction of mitotic recombination in Saccharomyces cerevisiae by ethyl methane sulphonate". Nature. 215 (5101): 660–661. Bibcode:1967Natur.215..660Y.
Ethyl_methanesulfonate
Chemical compound
methylsulfonylmethane (MSM). This colorless solid features the sulfonyl functional group and is the simplest of the sulfones. It is relatively inert chemically
Methylsulfonylmethane
Chemical compound
fluorine atoms, one bromine atom, and one iodine atom attached to the methane backbone. The compound can be obtained by reacting trifluoromethyltrifluorooxirane
Bromodifluoroiodomethane
Chemical compound
hydroperoxide, methyl hydroperoxide is an intermediate in the oxidation of methane. When condensed or in concentrated form methyl hydroperoxide is rather
Methyl_hydroperoxide
Domain of organisms
parasitic; many are mutualists or commensals, such as the methanogens (methane-producers) that inhabit the gastrointestinal tract in humans and ruminants
Archaea
Chemical reaction in which one functional group in a compound is replaced by another
reaction) is a chemical reaction during which one functional group in a compound is replaced by another functional group. Substitution reactions are of prime
Substitution_reaction
Organisms that obtain energy by the oxidation of electron donors in their environments
from other bacteria or archea that do not depend on methane synthesis for energy but produce methane as a byproduct of their other metabolic processes.
Chemotroph
Anion composed of boron with 4 nitrate groups
(2007). Transition and Main Group Metals Applied to Oxidative Functionalization of Methane and Use as High Oxygen Carriers for Rocket Propellants. p. 139
Tetranitratoborate
Biome with frigid temperatures
large amounts of biomass and decomposed biomass that has been stored as methane and carbon dioxide in the permafrost, making the tundra soil a carbon sink
Tundra
Chemical compound
chlorine atoms, one fluorine atom, and one bromine atom attached to the methane backbone. The compound can be obtained by bromination of dichlorofluoromethane
Bromodichlorofluoromethane
Earth's most severe extinction event
ignited by the eruptions; emissions of methane from the gasification of methane clathrates; emissions of methane by novel methanogenic microorganisms nourished
Permian–Triassic extinction event
Permian–Triassic_extinction_event
Cryptocurrency buried in city in Wales
device and health concerns of city residents, including dangerous gases, methane, asbestos, the unearthing of hazardous materials, toxic leachate, and potential
Bitcoin buried in Newport landfill
Bitcoin_buried_in_Newport_landfill
Class of molecules formed by ultraviolet irradiation of organic compounds
irradiation of simple carbon-containing compounds such as carbon dioxide (CO 2), methane (CH 4) or ethane (C 2H 6), often in combination with nitrogen (N 2) or
Tholin
Reusable superheavy-lift general-purpose launch vehicle under development
the Starship spacecraft, both powered by Raptor engines burning liquid methane (the main component of natural gas) and liquid oxygen. Both stages are
SpaceX_Starship
Chemical compound
chlorine atom, and one iodine atom attached to the methane backbone. Comprehensive Organic Functional Group Transformations II: A Comprehensive Review of
Bromodichloroiodomethane
Atom set which has replaced hydrogen atoms on a hydrocarbon's parent chain
pentyl (−C5H11). Functional groups are a subset of substituents In organic chemistry and biochemistry, the terms substituent and functional group, as well
Substituent
Organosulfur compounds containing –S(=O)2–N< functional group
R is some organic group; for example, "methanesulfonamide" (where R = methane, R' = R" = hydrogen) is CH3SO2NH2. Any sulfonamide can be considered as
Sulfonamide
Chromatography process
molecular weight hydrocarbon compounds such as methane, ethane, propane, and butane. For example, methane has been found in many water wells in West Virginia
Headspace_gas_chromatography
cultured mammalian cells via an endocytosis pathway. In another report, functionalization of carbon nanohorns was achieved using two different synthetic protocols:
Single-walled_carbon_nanohorn
Guyanese-American organometallic chemist (born 1957)
intermediates under mild conditions with high selectivity. Continuous functionalization of these MR intermediates to products with regeneration of MX leads
Roy_A._Periana
Chemical compound
iodine atoms, one bromine atom, and one fluorine atom attached to the methane backbone. Bromofluorodiiodomethane can be obtained as a byproduct in the
Bromofluorodiiodomethane
Chemical compound
systematic name tetra(nitrato-O,O,O-methyl)methane (often shortened to tetrakis(nitratoxycarbon)methane), is a hypothetical molecule that was proposed
Tetranitratoxycarbon
Biological process
of one or more carbon-containing molecules (usually carbon dioxide or methane) and nutrients into organic matter using the oxidation of inorganic compounds
Chemosynthesis
Ecological experiment to make an Ice Age-Like Reserve
microbes to consume buried organic matter, excreting carbon dioxide and methane. Methane is a potent greenhouse gas and has the potential to initiate a positive
Pleistocene_Park
Method used to apply surface coatings
as plasma polymers, that have been used for nanoparticle surface functionalization. Remote plasma-enhanced CVD (RPECVD) – Similar to PECVD except that
Chemical_vapor_deposition
Italian gas transmission system operator
functional subholdings (AGIP mineraria for oil and methane exploration and distribution; AGIP for refining and selling petroleum products and methane;
Snam
Chemical compound
a halomethane containing two bromine and two iodine atoms attached to methane backbone. "dibromodiiodomethane". NIST. Retrieved 2 September 2025. Katritzky
Dibromodiiodomethane
Safety device for burning off flammable gas
eliminate or reduce flaring. The Global Methane Pledge signed at COP26, in which 111 nations committed to reducing methane emissions by at least 30 percent from
Gas_flare
Accumulation of brine in a seafloor depression
The brine often contains high concentrations of hydrogen sulfide and methane, which provide energy to chemosynthetic organisms that live near the pool
Brine_pool
Deep-sea methane cycling bacteria
deep-sea ecosystems. Research into Aerophobota and its functional roles is of interest because methane is a potent greenhouse gas. Understanding these microbes
Aerophobota
practical methods for functionalizing methane. For example, platinum complexes of bipyrimidine catalyze the conversion of methane, oxygen, and sulfur trioxide
Organoplatinum_chemistry
Organic compound containing the functional group R–CH=O
containing the aldehyde group. Thus, HCHO is named as a derivative of methane, and CH3CH2CH2CHO is named as a derivative of butane. The name is formed
Aldehyde
Chemical reaction in organic chemistry
PMID 28697604. Hartwig, John F. (2016-01-13). "Evolution of C–H Bond Functionalization from Methane to Methodology". Journal of the American Chemical Society. 138
Concerted metalation deprotonation
Concerted_metalation_deprotonation
Salt or ester of methanesulfonic acid (CH3–SO2–OH)
Mesylate esters are a group of organic compounds that share a common functional group with the general structure CH3SO2O−R, abbreviated MsO−R, where R
Mesylate
Class of organic compounds
chlorine (Cl), and fluorine (F). They are produced as volatile derivatives of methane, ethane, and propane. The most common example of a CFC is dichlorodifluoromethane
Chlorofluorocarbon
Chemical compound
chlorine atoms, one fluorine atom, and one iodine atom attached to the methane backbone. Dichlorofluoroiodomethane can be obtained by brominating dichlorofluoromethane
Dichlorofluoroiodomethane
Chemical compound
bromine atoms, one fluorine atom, and one iodine atom attached to the methane backbone. The compound can be obtained by reacting triphenyl(fluorodibromomethyl)indium
Dibromofluoroiodomethane
Chemical compound
Centre and Functionalization on the Mechanical Behaviour of MIL-53 Metal-Organic Frameworks: Impact of the Metal Centre and Functionalization on the Mechanical
MIL-53
Chemical compounds with the same atoms but arranged and connected differently
takes one to the other. Thus, for example, all four hydrogen atoms of methane are structurally equivalent, because any permutation of them will preserve
Structural_isomer
Chemical group (=CH–)
a methine group or methine bridge is a trivalent functional group =CH−, derived formally from methane. It consists of a carbon atom bound by two single
Methine_group
First operational flight of the SpaceX Starship
time a Starship spacecraft entered sustained Earth orbit and deployed functional payloads. The mission was a landmark step in the program's development
Starship_flight_14
Hydrocarbon compound (C3H8)
(1972). "Measurements of heats of combustion by flame calorimetry. Part 8.—Methane, ethane, propane, n-butane and 2-methylpropane". Journal of the Chemical
Propane
Type of gas detector used in gas chromatography
oxygenated or functionalized species like infrared and laser technology can. In some systems, CO and CO2 can be detected in the FID using a methanizer, which
Flame_ionization_detector
One of two foundational theories of quantum chemistry
in energy combine to make hybrid orbitals. For example, the carbon in methane (CH4) undergoes sp3 hybridization to form four equivalent orbitals, resulting
Valence_bond_theory
Class of enzymes
hydroxylases also rely on an Fe=O intermediate but lack hemes. Methane monooxygenase, which converts methane to methanol, are non-heme iron-and iron-copper-based
Cytochrome_P450
Chemical compound
alkenes in the thiol-ene reaction to form polymeric networks. Being functionalized with four thiol groups, it can react with multifunctional alkenes to
Pentaerythritol tetrakis(3-mercaptopropionate)
Pentaerythritol_tetrakis(3-mercaptopropionate)
Chemical compound
to 1,400 °C (2,550 °F). It decomposes in water with the production of methane. Aluminium carbide is prepared by direct reaction of aluminium and carbon
Aluminium_carbide
Class of organic compounds
whereas imidic acids dominate the equilibrium in solution with ammonia or methane. HNCHOH ⇌ HCONH2 RNCR'OH ⇌ R'CONHR Imidate Alkanolamine Hemiaminal IUPAC
Imidic_acid
Topics referred to by the same term
refer to: Landfill gas, a waste gas containing methane and other gases emitted by landfills Lexical functional grammar, a theory of syntax Lagged Fibonacci
LFG
Organic compound or group with a hydroxyl and amine attached to the same carbon
produces first the carbinolamine (a hemiaminal) and bis(dimethylamino)methane (Me = CH3): Me 2 NH + CH 2 O ⟶ Me 2 NCH 2 OH {\displaystyle {\ce {Me2NH
Hemiaminal
Indian scientist
G.; Narasimhan, Shobhana (1 August 2012). "Methane and carbon dioxide adsorption on edge-functionalized graphene: A comparative DFT study". The Journal
Shobhana_Narasimhan
Chemical transfer pathway between Earth's biological and non-biological parts
characterization of denitrifier communities with contrasting intrinsic functional traits". FEMS Microbiology Ecology. 79 (2): 542–554. Bibcode:2012FEMME
Biogeochemical_cycle
Paleoproterozoic surge in atmospheric oxygen
reducing capacity from ferrous iron, sulfur, hydrogen sulfide and atmospheric methane over nearly a billion years. The oxidative environmental change, compounded
Great_Oxidation_Event
Type of chlorofluorocarbon (CFC-11)
; Meth-Cohn, Otto; Rees, Charles Wayne (1995), Comprehensive Organic Functional Group Transformations, Elsevier, p. 220, ISBN 978-0-08-042704-1 – via
Trichlorofluoromethane
Chemical compound
chemical structure consists of a carbon atom covalently bonded to four azide functional groups. It was first prepared by Klaus Banert in 2006 by reaction of
Tetraazidomethane
Study of the transformations involving carbon within the systems of the Earth
carbon dioxide and carbon monoxide. The emissions probably did not include methane, but the Earth was probably free of molecular oxygen. The Late Heavy Bombardment
Geochemistry_of_carbon
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METHANE FUNCTIONALIZATION
METHANE FUNCTIONALIZATION
METHANE FUNCTIONALIZATION
METHANE FUNCTIONALIZATION
METHANE FUNCTIONALIZATION
METHANE FUNCTIONALIZATION
METHANE FUNCTIONALIZATION
METHANE FUNCTIONALIZATION
METHANE FUNCTIONALIZATION
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