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Conjugate base of an alcohol
In chemistry, an alkoxide is the conjugate base of an alcohol and therefore consists of an organic group bonded to a negatively charged oxygen atom. They
Alkoxide
Silicon alkoxides are a group of alkoxides, chemical compounds of silicon and an alcohol, with the formula Si(OR)4. Silicon alkoxides are important precursors
Silicon_alkoxide
Conjugate base of an alcohol
A transition metal alkoxide complex is a kind of coordination complex containing one or more alkoxide ligands, written as RO−, where R is the organic substituent
Transition metal alkoxide complex
Transition_metal_alkoxide_complex
Method for preparing ethers
deprotonated alcohol (alkoxide). This reaction was developed by Alexander Williamson in 1850. Typically it involves the reaction of an alkoxide ion with a primary
Williamson_ether_synthesis
Organic reaction
tetrahedral intermediate, which then expels an alkoxide ion. The resulting carboxylic acid quickly protonates the alkoxide ion to give a carboxylate ion and an
Ester_hydrolysis
Reduction of ketones and aldehydes to their corresponding alcohols
ketones and aldehydes to their corresponding alcohols utilizing aluminium alkoxide catalysis in the presence of a sacrificial alcohol. The advantages of the
Meerwein–Ponndorf–Verley reduction
Meerwein–Ponndorf–Verley_reduction
Organic compounds made of alkyl/aryl groups bound to oxygen (R–O–R')
produced from epoxides. Nucleophilic displacement of alkyl halides by alkoxides R–ONa + R′–X → R–O–R′ + NaX This reaction, the Williamson ether synthesis
Ether
Chemical group (R–O)
alcohol. The term alkoxide refers to the anionic conjugate bases of alcohols (RO−) or to ionic compounds containing such an anion. Alkoxide compounds are
Alkoxy_group
Chemical compound
structure is more complex than suggested by its empirical formula. Like other alkoxides of titanium(IV) and zirconium(IV), it finds used in organic synthesis
Titanium_ethoxide
Compound derived from an acid
an anhydrous base to give an ester. Catalysts are aluminium alkoxides or sodium alkoxides. Benzaldehyde reacts with sodium benzyloxide (generated from
Ester
Chemical reaction
conjugate sodium alkoxide base of the alcohol formed (e.g. sodium ethoxide if ethanol is formed) is often used, since the alkoxide is regenerated. In
Claisen_condensation
Chemical compound
or TTIP, is a chemical compound with the formula Ti{OCH(CH3)2}4. This alkoxide of titanium(IV) is used in organic synthesis and materials science. It
Titanium_isopropoxide
Organic chemical reaction
attack another carbonyl. In the final step of the reaction, the acid and alkoxide ions formed exchange a proton. In the presence of a very high concentration
Cannizzaro_reaction
Disproportionation reaction of aldehydes
presence of an alkoxide. The reaction is named after Russian organic chemist Vyacheslav Tishchenko, who discovered that aluminium alkoxides are effective
Tishchenko_reaction
Chemical compound
Metal alkoxides rarely adopt monomeric structures, and niobium(V) ethoxide is no exception. Early studies established that niobium alkoxides aggregate
Niobium(V)_ethoxide
Chemical reaction
corresponding metal-hydride-alkene. β-Hydride elimination can also occur for many alkoxide complexes as well. The main requirements are that the alkyl group possess
Β-Hydride_elimination
various superbasic mixtures of an alkyllithium compound and a potassium alkoxide. The reagent is named after Manfred Schlosser, although he uses the term
Schlosser's_base
Ionic compound made of a C2H5–O anion and a sodium cation
alcohol/alkoxide solvating mixture must match the alkoxy components of the reacting esters to minimize the number of different products. Many alkoxides are
Sodium_ethoxide
Chemical compound
readily. It is used to prepare films of tantalum(V) oxide. Tantalum(V) alkoxides typically exist as dimers with octahedral six-coordinate tantalum metal
Tantalum(V)_ethoxide
1,2-rearrangement of 1,2-diketones
benzilic acid rearrangement, except that an alkoxide or an amide anion is used in place of a hydroxide ion. The alkoxide used should not be easily oxidizable
Benzilic_acid_rearrangement
Chemical compound
malonate and the alcohol, while other alkoxide salts will cause scrambling by transesterification. Only the "same" alkoxide anion as the one that one used to
Diethyl_malonate
Process that converts fat, oil, or lipid into soap and alcohol
the alkoxide generates a carboxylic acid: The alkoxide ion is a strong base so the proton is transferred from the carboxylic acid to the alkoxide ion
Saponification
Method for producing solid materials from small molecules
discrete particles or network polymers. Typical precursors are metal alkoxides. Sol–gel process is used to produce ceramic nanoparticles. In this chemical
Sol–gel_process
Chemical compound
Titanium butoxide is a metal alkoxide with the formula Ti(OBu)4 (Bu = –CH2CH2CH2CH3). It is a colorless odorless liquid although aged samples can appear
Titanium_butoxide
Chemical group (–OCH3)
ether. Other methoxy ethers include anisole and vanillin. Many metal alkoxides contain methoxy groups, such as tetramethyl orthosilicate and titanium
Methoxy_group
Organic redox reaction in chemistry
which then, in the second step, gets deprotonated by an alkoxide ion (4) to generate an alkoxide intermediate (5). In the third step, both the oxidant acetone
Oppenauer_oxidation
Chemical reaction
to date.[when?] Potassium alkoxides eliminate quickly, while sodium alkoxides generally require heating. Magnesium alkoxides only eliminate in extreme
Peterson_olefination
Chemical reaction
or related derivatives. The reaction consumes one equivalent of metal alkoxide. Commonly, diethylsuccinate is a component of the reaction. The usual product
Stobbe_condensation
Chemical compound
the ethyl ester of orthosilicic acid, Si(OH)4. It is the most prevalent alkoxide of silicon. TEOS is a tetrahedral molecule at Si atom. Like its many analogues
Tetraethyl_orthosilicate
Chemical reaction
If the base is of only moderate strength such as hydroxide ion or an alkoxide, the aldol reaction occurs via nucleophilic attack by the resonance-stabilized
Aldol_reaction
Cross-coupling reaction between boronic acid & an organohalide
borate (R3B-OR), in the case of a reaction of a trialkylborane (BR3) and alkoxide (−OR); this species could be considered as being more nucleophilic and
Suzuki_reaction
Chemical compound
Acetylenediol, or ethynediol, is a chemical substance with formula HO−C≡C−OH (an ynol). It is the diol of acetylene. Acetylenediol is unstable in the condensed
Acetylenediol
Chemical reaction
xanthate salt is formed out of the alkoxide and carbon disulfide (CS2). With the addition of iodomethane, the alkoxide is transformed into a methyl xanthate
Chugaev_elimination
Pocket in the active site of an enzyme
stabilizes transition state negative charge on a deprotonated oxygen or alkoxide. The pocket typically consists of backbone amides or positively charged
Oxyanion_hole
Main-group allene analog
reactions depends on the substituents on the C in the 3 position. Nucleophilic alkoxide as well as n-BuLi will add to the P=C bond of a phosphaallene. As seen
1-Phosphaallenes
Chemical element with atomic number 15 (P)
NH4Cl → 1/n (NPCl2)n + 4 HCl When the chloride groups are replaced by alkoxide (RO−), a family of polymers is produced with potentially useful properties
Phosphorus
Chemical compound
compounds. tert-Butyl alcohol is deprotonated with a strong base to give the alkoxide. Particularly common is potassium tert-butoxide, which is prepared by treating
Tert-Butyl_alcohol
Degradation process found in vegetable-tanned leather
progress of red rot can be stopped or slowed with a treatment of aluminium alkoxide solution, which increases the pH value and becomes (in the presence of
Red_rot
Chemical element with atomic number 22 (Ti)
with the rock salt structure, although often nonstoichiometric. The alkoxides of titanium(IV), prepared by treating TiCl4 with alcohols, are colorless
Titanium
Organic reaction in chemistry
alcohol, forming chloroform, yields an alkoxide 5. The nucleophilic displacement of the chloride by the alkoxide yields intermediate 7. With primary and
Appel_reaction
Chemical compound
to alcohols. These reductions proceed in two stages, formation of the alkoxide followed by hydrolysis: NaBH4 + 4 R2C=O → NaO−CHR2 + B(O−CHR2)3 NaO−CHR2
Sodium_borohydride
Chemical reaction series
rearranges to a 1,2-diaryl-alkyne by reaction with a strong base such as an alkoxide. This rearrangement is also possible with alkyl substituents. The strong
Fritsch–Buttenberg–Wiechell rearrangement
Fritsch–Buttenberg–Wiechell_rearrangement
Chemical reaction
readily achieved in a variety of ways. Ionic interactions between metal and alkoxide are important: dissociative character causes rate acceleration. Use of
Oxy-Cope_rearrangement
Inorganic chemist (1942–2019)
earned his Ph.D. with studies on several fundamental organometallic and alkoxide compounds of beryllium. Andersen then spent a year as postdoctoral researcher
Richard_A._Andersen_(chemist)
Type of chemical substance
releases OH− ions quantitatively. Metal oxides, hydroxides, and especially alkoxides are basic, and conjugate bases of weak acids are weak bases. Bases and
Base_(chemistry)
The substituent X is a halide and nucleophiles can be sodium amide, an alkoxide or a carbon nucleophile such as an enolate. In contrast to regular nucleophilic
Radical-nucleophilic aromatic substitution
Radical-nucleophilic_aromatic_substitution
Organic compounds of the form >C=O
to give, after aqueous workup, a tertiary alcohol With an alcohols or alkoxides to gives the hemiketal or its conjugate base. With a diol to the ketal
Ketone
Chemical compound
Potassium methoxide is the alkoxide of methanol with the counterion potassium and is used as a strong base and as a catalyst for transesterification, in
Potassium_methoxide
material. The third, and more usual meaning of the word is as a synonym for alkoxide— which is the conjugate base of an alcohol. Webster, M.; Collins, P.H.
Alcoholate
Primary alcohol
hardness of the borohydride is increased by replacing hydride groups with alkoxide groups, a reaction catalyzed by the cerium salt by increasing the electrophilicity
Luche_reduction
Rearrangement in organic chemistry
case, proton abstraction from a nearby hydroxyl group generates an alkoxide. The alkoxide then displaces a methylene group from the nearby silicon atom; and
Brook_rearrangement
Organic chemical reaction
phenyl sulfone anion (2) reacts with an aldehyde to form the alkoxide (3). The alkoxide is functionalized with R3-X to give the stable intermediate (4)
Julia_olefination
Chemical reaction
is of the carbon attacking the carbonyl compound. The resulting β-nitro alkoxide is protonated by the conjugate acid of the base that originally deprotonated
Henry_reaction
Family of polymers
ethers, which can be made from the reaction of tetrafluoroethylene with alkoxides: RO− + F2C=CF2 → F2C=CFOR + F− However, the instability of α-fluoroalcohols
Perfluoroalkoxy_alkane
Inorganic compound of Iron
iron oxychloride: FeCl3 + Fe2O3 → 3FeOCl Alkali metal alkoxides react to give the iron(III) alkoxide complexes. These products have more complicated structures
Iron(III)_chloride
Process that results in the interconversion of chemical species
neutral or positively charged. Examples of nucleophiles are hydroxide ion, alkoxides, amines and halides. This type of reaction is found mainly in aliphatic
Chemical_reaction
Metal oxide powder production method
Michigan, uses metalloorganic precursors such as metal carboxylates or alkoxides, not metal chlorides. Briefly, alcohol (typically ethanol) solutions containing
Liquid-feed flame spray pyrolysis
Liquid-feed_flame_spray_pyrolysis
Chemical compound
specialized chemistries. Sol-gel routes involve the hydrolysis of titanium alkoxides such as titanium ethoxide: Ti(OEt)4 + 2 H2O → TiO2 + 4 EtOH A related
Titanium_dioxide
Category of polymers, in which the monomers are joined together by ester links
the alcohol (generally in fact a phenol) is dissolved in the form of an alkoxide in an aqueous sodium hydroxide solution, the acyl chloride in an organic
Polyester
Organic compound (CH3CO2CH2CH3)
reaction, by combining two equivalents of acetaldehyde in the presence of an alkoxide catalyst: 2 CH3CHO → CH3CO2CH2CH3 It is also manufactured by the alkylation
Ethyl_acetate
Type of organic chemical reaction
example, when a 3° haloalkane is reacts with an alkoxide, due to strong basic character of the alkoxide and unreactivity of 3° group towards SN2, only
Elimination_reaction
Class of chemical substance
Farha OK, Stern CL, Sarjeant AA, Hupp JT (March 2009). "Post-synthesis alkoxide formation within metal-organic framework materials: a strategy for incorporating
Metal–organic_framework
Chemical compound
group incorporated in a five-membered C2O2B ring. Like related boron alkoxides, pinacolborane is monomeric. It is a colorless liquid. It features a reactive
Pinacolborane
Study of organic compounds containing metal(s)
metal-carbon bonds but which contain organic ligands. Metal β-diketonates, alkoxides, dialkylamides, and metal phosphine complexes are representative members
Organometallic_chemistry
Chemical compound
characterized by their high oxidation state, imido ligands, and bulky alkoxide ligands. The Mo(VI) electron-deficient metal centers are electron-poor
Molybdenum imido alkylidene complex
Molybdenum_imido_alkylidene_complex
Reduction method involving hydrazine
determining step of the reaction is de-protonation of the hydrazone by an alkoxide base to form a diimide anion by a concerted, solvent mediated protonation/de-protonation
Wolff–Kishner_reduction
Chemical ring forming reaction
initial deprotonation. However, if the starting material is an ester, the alkoxide corresponding to the ester side-chain is commonly chosen in order to prevent
Darzens_reaction
Organic compound with at least one hydroxyl (–OH) group
strong bases such as sodium hydride or sodium they form salts called alkoxides, with the general formula RO−M+ (where R is an alkyl and M is a metal)
Alcohol_(chemistry)
Chemical group (R–C=O)
nucleophile. The tetrahedral intermediate itself can be an alcohol or alkoxide, depending on the pH of the reaction. The tetrahedral intermediate of an
Acyl_group
include: Formates Acetamides Acetates Butyrates Benzoates Carboxylates Alkoxides Phenolates Oxalates Malonates Tartrates Malates Citrates Gluconates Maleates
List_of_organic_salts
Chemical compound
These chloride groups are susceptible to displacement by amines and alkoxides, giving rise, ultimately, to a large family of naphthalimides, which are
1,8-Naphthalic_anhydride
Chemical compound
intermediate. The [CF3]− attacks the carbonyl to generate an alkoxide anion. The alkoxide is silylated by the reagent to give the overall addition product
Trifluoromethyltrimethylsilane
Trifluoromethyltrimethylsilane
Type of chemical reaction
mechanism in which the metal cation plays a templating role. Chiral zinc alkoxides under an oxygen atmosphere have been used to epoxidize some classes of
Asymmetric nucleophilic epoxidation
Asymmetric_nucleophilic_epoxidation
Chemical compound
known. Xanthate salts are prepared by the action of alkoxides on carbon disulfide. The alkoxide is often generated in situ from potassium hydroxide:
Potassium_ethyl_xanthate
Ionic organic compound (CH3ONa)
Sodium methoxide is the simplest sodium alkoxide. With the formula CH3ONa, it is a white solid, which is formed by the deprotonation of methanol. It is
Sodium_methoxide
Organic anion formed by deprotonating a carbonyl (>C=O) compound
oxygen and the two carbon sites. Thus they have the character of both an alkoxide and a carbanion. Although enolate salts are often drawn as simple ion pairs
Enolate
Chemical compounds containing titanium
with the rock salt structure, although often nonstoichiometric. The alkoxides of titanium(IV), prepared by treating TiCl4 with alcohols, are colorless
Titanium_compounds
Reaction of cyanide and alcohol to give imino ester salt
electron-poor nitrile is a good electrophile, readily susceptible to attack by alkoxide bases, whereas an electron-rich nitrile would typically be easier to protonate
Pinner_reaction
group in 46 was deprotected to give alcohol 47. Reaction of the lithium alkoxide of 47 with the Ojima lactam 48 adds the tail in 49. Deprotection of the
Holton_Taxol_total_synthesis
Reaction in organic chemistry
original Michael donor can be a neutral donor such as amines, thiols, and alkoxides, or alkyl ligands bound to a metal. Linear step growth polymerizations
Michael_addition_reaction
Chemical reaction
deprotonation. This forms the corresponding trichloromethyl carbinol or -alkoxide, in a similar way to the Grignard reaction. This trihalogenated product
Bargellini_reaction
oxyplumbation, organolead alkoxides are added to polar alkenes: H2C=CH-CN + (Et3PbOMe)n → MeO-CH2-HC(PbEt3)-CN → MeO-CH2-CH2-CN The alkoxide is regenerated in
Organolead_chemistry
Chemical compound
CH2CH2O + AlCl3 → C6H5CH2CH2OAlCl2 + HCl The reaction affords the aluminium alkoxide that is subsequently hydrolyzed to the desired product. The main side product
Phenethyl_alcohol
Chemical theory about acids and bases
Hg22+ Hydroxide OH− Hydride H− Alkali metals Li+, Na+, K+ Platinum Pt2+ Alkoxide RO− Thiolate RS− Titanium Ti4+ Palladium Pd2+ Halogens F−, Cl− Halogens
HSAB_theory
Hetero-bimetallic coordination complex
from their ability to act as both a Brønsted base by virtue of the metal alkoxide and a Lewis acid via the lanthanide ion. Enantioselectivity has been found
Shibasaki_catalyst
Chemical compound
gradual formation of the thermodynamic product. A weaker base such as an alkoxide, which reversibly deprotonates the substrate, affords the more thermodynamically
Lithium_diisopropylamide
Chemical compound
tetrahedral thiosilicate anion, SiS3(NH3)2-. Reaction with ethanol gives the alkoxide tetraethyl orthosilicate and H2S. With bulky tert-butanol, alcoholysis
Silicon_disulfide
Chemical compound
enolizable carbonyl compounds, and any overtly acidic compounds, to produce alkoxides, amides, enolates and other salts of lithium, respectively. The stability
N-Butyllithium
Thin-film deposition technique that deposits one 1-atom thick layer at a time
electropositive metals. Chromium metal was deposited using a chromium alkoxide precursor and BH3(NHMe2). Titanium and tin metals were grown from their
Atomic_layer_deposition
Type of organic chemical reaction
by the Williamson ether synthesis from alkyl halides and alkali metal alkoxides. Hydroamination Hydrofunctionalization Alonso, F., Beletskaya, I. P.,
Hydroalkoxylation
Chemical reaction
deprotonation at the α position. The ether then decomposes into an alkene and an alkoxide. Cyclic ethers allow for an especially quick concerted cleavage, as seen
Ether_cleavage
Chemical element with atomic number 5 (B)
both minerals and synthetic compounds. Related to the oxides are the alkoxides and boronic acids with the formula B(OR)3 and R2BOH, respectively. Boron
Boron
Group of metastable hard coatings
Ti)O3 SrTiO3 ZnTiO3 Fluorotitanates H2TiF6 Na2TiF6 K2TiF6 Li2TiF6 Rb2TiF6 Alkoxides, carboxylates, amides Ti(NMe2)4 Ti4(OCH2CH3)16 Ti(OCH(CH3)2)4 Ti(OCH2CH2CH2CH3)4
Titanium_aluminium_nitride
Organic chemistry reaction
as the leaving group, forming an ether. Reactions such as this, with an alkoxide as the nucleophile, are known as the Williamson ether synthesis. If the
SN2_reaction
Removal of proton(s) from a molecule in an acid-base reaction
For example, deprotonation of an alcohol forms the negatively charged alkoxide, which is a much stronger nucleophile. To determine whether or not a given
Deprotonation
Chemical reaction featuring a sigmatropic rearrangement
temperatures. Subsequent work showed that the corresponding potassium alkoxides rearranged faster by 1010 to 1017. By virtue of this innovation, reaction
Cope_rearrangement
Chemical reaction
weakly acidic, a strong base is needed for enolate ion formation . If an alkoxide such as sodium ethoxide is used as base, deprotonation takes place only
Carbonyl α-substitution reaction
Carbonyl_α-substitution_reaction
Simplest secondary alcohol
isopropyl alcohol reacts with active metals such as potassium to form alkoxides that are called isopropoxides. With titanium tetrachloride, isopropyl
Isopropyl_alcohol
Chemical compounds containing C–Li bonds
of aryllithium reagents is often enhanced by the addition of potassium alkoxides. Organolithium reagents can also carry out nucleophilic attacks with epoxides
Organolithium_reagent
Form of addition polymerization initiated with anions
monomer. Nucleophilic initiators include covalent or ionic metal amides, alkoxides, hydroxides, cyanides, phosphines, amines and organometallic compounds
Anionic addition polymerization
Anionic_addition_polymerization
ALKOXIDE
ALKOXIDE
ALKOXIDE
ALKOXIDE
Girl/Female
Australian, Dutch
Bitter
Boy/Male
British, English
Guard; Watchman
Male
Croatian
, happy, joyful.
Boy/Male
Hindu
Resolute
Girl/Female
Muslim
Conscious. Pious. Wise. Mature.
Boy/Male
Muslim
Flower name
Boy/Male
Gujarati, Hindu, Indian
Emotions
Boy/Male
Hindu, Indian
Whole Wheat
Boy/Male
French
Strong.
Girl/Female
Tamil
A forest girl
ALKOXIDE
ALKOXIDE
ALKOXIDE
ALKOXIDE
ALKOXIDE