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Geological formation in Oklahoma, U.S.
The Bromide Formation is a geological formation in Oklahoma, USA. It is well known for its diverse echinoderm and trilobite fossil fauna. The Bromide Formation
Bromide_Formation
Chemical compound or ion
A bromide ion is the negatively charged form (Br−) of the element bromine, a member of the halogens group on the periodic table. Most bromides are colorless
Bromide
Chemical compound (BrCN)
Cyanogen bromide is the inorganic compound with the formula BrCN. It is a colorless solid that is widely used to modify biopolymers, fragment proteins
Cyanogen_bromide
Chemical compound
Tetrabutylammonium bromide (TBAB) is a quaternary ammonium salt with a bromide commonly used as a phase transfer catalyst. It is used to prepare many
Tetrabutylammonium_bromide
Chemical compound
Silver bromide (AgBr), a soft, pale-yellow, water-insoluble salt well known (along with other silver halides) for its unusual sensitivity to light. This
Silver_bromide
Extinct genus of trilobites
Isotelus copenhagenensis Ross Jr. & Shaw 1972 – Named after the Copenhagen Formation strata where it was discovered in Nevada. Isotelus kimmswickensis Bradley
Isotelus
Inorganic salt: NaBr
Sodium bromide is an inorganic compound with the formula NaBr. It is a high-melting white, crystalline solid that resembles sodium chloride. It is a widely
Sodium_bromide
Genus of trilobites
Ceraurus is a genus of cheirurid trilobite of the middle and, much more rarely, the upper Ordovician. They are commonly found in strata of the lower Great
Ceraurus
Chemical compound
Copper(II) bromide (CuBr2) is a chemical compound that forms a tetrahydrate CuBr2·4H2O. It is used in photographic processing as an intensifier and as
Copper(II)_bromide
Chemical compound
and certain ethers. It is effective reagent for formation of silyl enol ethers. Trimethylsilyl bromide is as a mild, stereoselective anomeric brominating
Trimethylsilyl_bromide
Chemical compound
treatment of magnesium with allyl bromide while maintaining the reaction temperature below 0 °C to suppress formation of hexadiene. Allyl chloride can
Allylmagnesium_bromide
Chemical compound
Astatine bromide is an interhalogen compound with the chemical formula AtBr. Astatine bromide is produced by the reaction of astatine with an aqueous solution
Astatine_bromide
Genus of trilobites
Illaenus is a genus of trilobites from Russia and Morocco, from the middle Ordovician. Species included in this genus can reach a length of about 57 millimetres
Illaenus
Quaternary ammonium surfactant and antiseptic agent
Cetrimonium bromide, also known with the abbreviation CTAB, is a quaternary ammonium surfactant with a condensed structural formula [(C16H33)N(CH3)3]Br
Cetrimonium_bromide
Extinct genus of moss animals
Kentucky of the Midwestern United States, commonly in the Ordovician Kope Formation. Hallopora elegantula (Hall, 1852) Hallopora baltica Hallopora magnopora
Hallopora
Extinct genus of trilobites
Cove Formation; Table Point, "Middle Table Head" and Table Cove). L. mcgeheei is present in the Upper Ordovician of Oklahoma, United States (Bromide Formation
Lonchodomas
Extinct genus of jawless fishes
Baltoniodus triangularis. B. gerdae has been found in the early Sandbian Bromide Formation, in Oklahoma, USA. Vom Anfang, Hochstand und Ende eines Epikontinentalmeeres
Baltoniodus
Chemical compound
Nitrosyl bromide is the chemical compound with the chemical formula NOBr. It is a red gas with a condensation point just below room temperature. It reacts
Nitrosyl_bromide
Extinct genus of trilobites
type species, Bumastus barriensis was recovered from the Coalbrookdale Formation of the Wenlock Group in England. Murchison first believed that the specimens
Bumastus
Genus of trilobites
Sphaerocoryphe is a genus of trilobite that lived from the middle Ordovician to the Silurian. Its fossils have been found in Australia, Europe, and North
Sphaerocoryphe
Extinct genus of brachiopods
the Middle Cambrian Burgess Shale (Canada) to the Upper Ordovician Bromide Formation (United States) in North America. 346 specimens of Lingulella are
Lingulella
Chemical compound
Hydrogen bromide is the inorganic compound with the formula HBr. It is a hydrogen halide consisting of hydrogen and bromine. A colorless gas, it dissolves
Hydrogen_bromide
Extinct genus of trilobites
Remopleurides is an extinct genus of trilobites. P. A. Jell & J. M. Adrain (2003). "Available generic names for trilobites" (PDF). Memoirs of the Queensland
Remopleurides
Chemical compound
to alkyl bromides. PBr3 is prepared by treating red phosphorus with bromine. An excess of phosphorus is used in order to prevent formation of PBr5: P4
Phosphorus_tribromide
Chemical compound
must be added to enable formation of the allenyl Grignard to outcompete its isomerization to CH3−C≡CMgBr. Propargyl bromide and its ether derivatives
Propargyl_bromide
Simpson Group Stratigraphic range: Ordovician Type Group Sub-units Bromide Formation Location Region Oklahoma Country United States
Simpson_Group
Extinct genus of marine lamp shells
in the states of Alaska, Minnesota, Nevada, New York, Oklahoma (Bromide Formation), Vermont and Wyoming. C. horridus has been recovered from the Blakely
Cordylodus
Paleontological research in the U.S. state of Oklahoma
Museum of Osteology, Oklahoma City Paleontology portal Oklahoma portal Bromide Formation Paleontology in Arkansas Paleontology in Kansas Paleontology in Missouri
Paleontology_in_Oklahoma
Chemical compound
Aluminium bromide is any chemical compound with the empirical formula AlBrx. Aluminium tribromide is the most common form of aluminium bromide. It is a
Aluminium_bromide
Genus of trilobites
Encrinuroides by Frederickson in 1964. The type locality was the Bromide Formation in Oklahoma. Available Generic Names for Trilobites P.A. Jell and
Frencrinuroides
Fossil flora and fauna of the Burgess Shale
Quarry, Marble Canyon, Stephen Formation, Tulip Beds, Stanley Glacier, the Trilobite Beds and the Cathedral Formation. With each site occupying a varying
Paleobiota of the Burgess Shale
Paleobiota_of_the_Burgess_Shale
Organic compound containing at least one covalent carbon-bromine bond
sodium bromide, function as a nucleophiles in the formation of organobromine compounds by displacement. An example of this salt mediated bromide displacement
Organobromine_chemistry
Chemical compound
tert-Butyl bromide (also referred to as 2-bromo-2-methylpropane) is an organic compound with the formula Me3CBr (Me = methyl). The molecule features a
Tert-Butyl_bromide
Extinct group of marine invertebrates
limited to only a very small number of instances. The Late Ordovician Bromide Formation is one of the few, and likely the most well-known, outcrops of diploporitan
Diploporita
Chemical compound
Cyanuric bromide is a heterocyclic compound with formula C3N3Br3. It contains a six-membered ring of alternating nitrogen and carbon atoms, with a bromine
Cyanuric_bromide
Chemical compound
Lithium bromide (LiBr) is a chemical compound of lithium and bromine. Its extreme hygroscopic character makes LiBr useful as a desiccant in certain air
Lithium_bromide
Chemical compound
Allyl bromide (3-bromopropene) is an organic halide. It is an alkylating agent used in synthesis of polymers, pharmaceuticals, perfumes and other organic
Allyl_bromide
Chemical compound
Barium bromide is the chemical compound with the formula BaBr2. It is ionic and hygroscopic in nature. BaBr2 crystallizes in the lead chloride (cotunnite)
Barium_bromide
Extinct genus of bryozoan
Taylor, P. (2016). "A new runner-like cyclostome bryozoan from the Bromide Formation (Sandbian, Upper Ordovician) of Oklahoma and its phylogenetic affinities"
Zigzagopora
Ion, and compounds containing the ion
bromate formation include: lowering the water pH below 6.0, limiting the doses of ozone, using an alternate water source with a lower bromide concentration
Bromate
Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. List of Formations in the National Geologic Map Database
List of fossiliferous stratigraphic units in Oklahoma
List_of_fossiliferous_stratigraphic_units_in_Oklahoma
Chemical compound
Most 1-bromoalkanes are prepared by free-radical addition of hydrogen bromide to the 1-alkene. These conditions lead to anti-Markovnikov addition, giving
1-Bromohexane
Chemical compound
Christoph (June 1992). "The surface nature of Grignard reagent formation. Cyclopropylmagnesium bromide". Journal of the American Chemical Society. 114 (13): 4996–5000
Bromocyclopropane
Organobromine pesticide
Bromomethane, commonly known as methyl bromide, is an organobromine compound with formula CH3Br. This colorless, odorless, nonflammable gas is produced
Bromomethane
Extinct genus of bryozoans
February 2022. Loeblich, Alfred R. (July 1942). "Bryozoa from the Ordovician Bromide Formation, Oklahoma". Journal of Paleontology. 16 (4): 422–423. v t e
Mesotrypa
Change of enthalpy during the formation of a compound from its elements
the standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance
Standard enthalpy of formation
Standard_enthalpy_of_formation
Chemical compound
Gold(III) bromide is a dark-red to black crystalline solid. It has the empirical formula AuBr3, but exists as a dimer with the molecular formula Au2Br6
Gold(III)_bromide
Aqueous solution of hydrogen bromide
an aqueous solution of hydrogen bromide. It is a strong acid formed by dissolving the diatomic molecule hydrogen bromide (HBr) in water. "Constant boiling"
Hydrobromic_acid
Chemical compound
Calcium bromide is the name for compounds with the chemical formula CaBr2(H2O)x. Individual compounds include the anhydrous material (x = 0), the hexahydrate
Calcium_bromide
Chemical compound
"Br+," which produces bromide ions in the process of disinfection: HOBr + live pathogens → Br− + dead pathogens The resulting bromide ions can then undergo
DBDMH
Chemical compound
one of several isomers of butyl bromide. Most 1-bromoalkanes are prepared by free-radical addition of hydrogen bromide to the 1-alkene. These conditions
1-Bromobutane
Extinct class of marine invertebrates
†Platycystites sp. Frest, Strimple, & Coney, 1979 (NMNH 112086, Blackriverian, Bromide Formation, Carter County, Oklahoma) †Family Malocystitidae †Malocystites †Wellerocystis
Paracrinoidea
Chemical compound
4 Å3. The enthalpy of formation ΔfH0 of tetra-n-butylammonium iodide is −499 kJ/mol, which is lower than that for the bromide or chloride (−540, −564 kJ/mol)
Tetra-n-butylammonium_iodide
Chemical compound
Magnesium bromide are inorganic compounds with the chemical formula MgBr2(H2O)x, where x can range from 0 to 9. They are all white deliquescent solids
Magnesium_bromide
Use of a particular fossil class to identify stratigraphy
Ordovician. Baltoniodus gerdae has been found in the early Sandbian Bromide Formation, in Oklahoma, United States. The Llandovery epoch lasted from 443
Conodont_biostratigraphy
Chemical compound
Copper(I) bromide is the chemical compound with the formula CuBr. This white diamagnetic solid adopts a polymeric structure akin to that for zinc sulfide
Copper(I)_bromide
Chemical compound
achieved through the use of two equivalents of N-bromosuccinimide and lithium bromide (LiBr). N-Bromosuccinimide provides Br+ as an electrophile, which is followed
1,2-Dibromoethylene
Tropane alkaloid & anticholinergic drug
long history of usage in mind-altering plant preparations. Cimetropium bromide (made from scopolamine) Oxitropium (made from norscopolamine) "Scopolamine"
Scopolamine
Ion
aqueous silver nitrate immediately gave silver bromide, indicating labile bromide. Tropylium bromide was deduced to be a salt, C 7H+ 7Br− , by Doering
Tropylium_cation
Aromatic compounds containing Halogen atom(s) in place of Hydrogen
Chloride and bromide ions in ocean waters are the source of the halogens. Various peroxidase enzymes (e.g., bromoperoxidase) catalyze the formation of these
Aryl_halide
Kolata, D. R. (1982). Sprinkle, J. (ed.). "Echinoderm faunas from the Bromide Formation (Middle Ordovician) of Oklahoma". University of Kansas Paleontological
List_of_crinoid_genera
Chemical compound
2-Bromopropane, also known as isopropyl bromide and 2-propyl bromide, is the halogenated hydrocarbon with the formula C3H7Br or CH3CHBrCH3. It is a colorless
2-Bromopropane
Chemical compound
Bromoethane, also known as ethyl bromide, is a chemical compound of the haloalkanes group. It is abbreviated by chemists as EtBr (which is also used as
Bromoethane
Chemical compound
fluoride can be used as deprotection reagents. Alternatives such as magnesium bromide, lithium tetrafluoroborate and boron trifluoride etherate were also developed
2-(Trimethylsilyl)ethoxymethyl chloride
2-(Trimethylsilyl)ethoxymethyl_chloride
Chemical compound
molecular and polymeric structures. Bismuth bromide is highly water-soluble. It is a Lewis acid and accepts bromide ions to form monomeric and oligomeric anionic
Bismuth_tribromide
Chemical compound
prepared by reaction of bistrimethylsilylbromamine (bis(trimethylsilyl)amine bromide) with bromine monochloride (with trimethylsilyl chloride as byproduct)
Nitrogen_tribromide
Chemical compound
Carbonyl bromide, also known as bromophosgene, is a carbon oxohalide and a bromine analogue of phosgene, with the chemical formula COBr2. It is a colorless
Carbonyl_bromide
Extinct genus of brachiopods
Silurian Los Espejos Formation in the Precordillera Basin in Argentina. C. tenuis is from the Pooleville Member of the Bromide Formation from the Middle and
Craniops
Chemical compound
Carbon tetrabromide, CBr4, also known as tetrabromomethane, is a bromide of carbon. Both names are acceptable under IUPAC nomenclature. CBr4 can be obtained
Carbon_tetrabromide
Chemical compound
tribromide Names IUPAC name tribromostibane Other names Antimony(III) bromide Identifiers CAS Number 7789-61-9 N 3D model (JSmol) Interactive image Interactive
Antimony_tribromide
Genus of brachiopods
Strophomena costellata from Bromide Formation, Oklahoma, USA
Strophomena
Organic reaction in chemistry
quantities. The corresponding alkyl bromide can also be synthesised by addition of lithium bromide as a source of bromide ions. A more sustainable version
Appel_reaction
Chemical compound
from ethyl bromide, tert-butyl bromide, and magnesium metal in the presence of manganese(II) ions. Despite conditions amenable to the formation of a Grignard
Tetramethylbutane
Calliops armatus dorsal view of the cephalon, collected from the Bromide Formation, Sandbian Scientific classification Kingdom: Animalia Phylum: Arthropoda
Pterygometopidae
protection (TBSCl, Et3N) to TBS ether 10, hydrazone formation (H2NNHTs) to 11 and finally vinyl bromide formation (tBuLi, 1,2-Dibromoethane) in 12. The synthesis
Takahashi Taxol total synthesis
Takahashi_Taxol_total_synthesis
Chemical compound
Rhenium(III) bromide is a chemical compound with the formula Re3Br9. It is a black lustrous crystalline solid. This compound reacts with water to form
Rhenium(III)_bromide
Russian geologist (1899–1982)
Iodine-bromide formation waters of Turkmenia. - Moscow, Soviet Asia Press. - 79 p. (in Russian) Porfiriev V.B., 1938. Oil in Tajikistan (Formation conditions)
Vladimir_Porfiriev
Class of elements
thallium(I) chloride and bromide are light-sensitive, and thallium(I) fluoride is more soluble in water than the chloride and bromide.[citation needed] Unlike
Thallium_halides
Extinct genus of bryozoans
2022. Loeblich, Alfred R. (July 1942). "Bryozoa from the Ordovician Bromide Formation, Oklahoma". Journal of Paleontology. 16 (4): 429–430. Nickles, John
Eridotrypa
Chemical compound
can be prepared via the free radical addition between allyl bromide and hydrogen bromide. Metabolism of 1,3-dibromopropane was examined in 1981. The examination
1,3-Dibromopropane
Chemical compound
the molecular formula C4H9Br. 2-Bromobutane is also known as sec-butyl bromide or methylethylbromomethane. It is a colorless liquid with a pleasant odor
2-Bromobutane
Chemical compound
1-Bromopropane (also known as n-propyl bromide or nPB) is a bromoalkane with the chemical formula C3H7Br or CH3CH2CH2Br. It is a colorless, flammable
1-Bromopropane
Chemical compound
Nickel(II) bromide is the name for the inorganic compounds with the chemical formula NiBr2(H2O)x. The value of x can be 0 for the anhydrous material,
Nickel(II)_bromide
D. Taylor (2016). "A new runner-like cyclostome bryozoan from the Bromide Formation (Sandbian, Upper Ordovician) of Oklahoma and its phylogenetic affinities"
2016_in_paleontology
Change in energy from formation of 1 mole of substance
standard Gibbs free energy of formation (Gf°) of a compound is the change of Gibbs free energy that accompanies the formation of 1 mole of a substance in
Standard Gibbs free energy of formation
Standard_Gibbs_free_energy_of_formation
Chemical compound
proceeds via the formation of a complex between the boron center and the ether oxygen followed by the elimination of an alkyl bromide to yield a dibromo(organo)borane
Boron_tribromide
Substitution reaction with a carbocation intermediate
is the hydrolysis of tert-butyl bromide forming tert-butanol: This SN1 reaction takes place in three steps: Formation of a tert-butyl carbocation by separation
SN1_reaction
Chemical compound
reaction course of isopropylzinc bromide with an aryl halide is shown below. Processes leading to byproduct formation are highlighted in red. Oxidative
CPhos
Ion, and compounds containing the ion
secondary reaction, where hypobromite spontaneously disproportionates to bromide (bromine oxidation state −1) and bromate (bromine oxidation state +5) takes
Hypobromite
Organometallic compounds used in organic synthesis
A solution of alkyl bromide is added while heating. After completion of the addition, the mixture is heated for a while. Formation of the Grignard reagent
Grignard_reagent
American chemist (1895–1957)
entitled "The Addition of Hydrogen Bromide to Allyl Bromide", proposed that the anti-Markovnikov addition of HBr to allyl bromide to yield 1,3-dibromopropane
Morris_S._Kharasch
Extinct genus of bryozoans
2022. Loeblich, Alfred R. (July 1942). "Bryozoa from the Ordovician Bromide Formation, Oklahoma". Journal of Paleontology. 16 (4): 420–422. Nickles, John
Homotrypa
Chemical compound
Beryllium bromide is the chemical compound with the formula BeBr2. It is very hygroscopic and dissolves well in water. The Be2+ cation, which is relevant
Beryllium_bromide
Chemical compound
base) by alkylation with diethyl sulfate. The bromide salt of diisopropylamine, diisopropylammonium bromide, is a room-temperature organic ferroelectric
Diisopropylamine
Chemical reaction
involves the use of electropositive metals (Li, Na, Mg) and organochlorides, bromides, and iodides. Particularly well-developed is the use of metal–halogen exchange
Metal–halogen_exchange
Chemical compound
phosphorus. An alternative preparation involves the reaction of 2-propyl bromide with an acetone solution of sodium iodide (Finkelstein reaction): (CH3)2CHBr
Isopropyl_iodide
Concentration of surfactants above which micelles form
August 2016. Retrieved 1 July 2016. Phillips J. The energetics of micelle formation. Transactions of the Faraday Society 1955;51:561-9 Mukerjee, P.; Mysels
Critical micelle concentration
Critical_micelle_concentration
Reaction in organic chemistry
alkyne and a haloalkyne catalyzed by a copper(I) salt such as copper(I) bromide and an amine base. The reaction product is a 1,3-diyne or di-alkyne. The
Cadiot–Chodkiewicz_coupling
Organometallic coupling reaction
ketone under anhydrous conditions. This reaction is important for the formation of carbon–carbon bonds. Grignard reactions and reagents were discovered
Grignard_reaction
Organic addition reaction which involves free radicals
hydrohalic acids. Radical formation from HF, HCl, or HI is extremely endothermic and chemically disfavored. Hydrogen bromide is incredibly selective as
Free-radical_addition
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BROMIDE FORMATION
BROMIDE FORMATION
BROMIDE FORMATION
BROMIDE FORMATION
BROMIDE FORMATION
BROMIDE FORMATION
BROMIDE FORMATION
BROMIDE FORMATION
BROMIDE FORMATION
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