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Class of organic compounds
In organic chemistry, an acetal is a functional group with the connectivity R2C(OR')2. Here, the R groups can be organic fragments (a carbon atom, with
Acetal
Engineering thermoplastic polymer
Polyoxymethylene (POM), also known as acetal, polyacetal, and polyformaldehyde, is an engineering thermoplastic used in precision parts requiring high
Polyoxymethylene
Functional group
chemistry, a benzylidene acetal is the functional group with the structural formula C6H5CH(OR)2 (R = alkyl, aryl). Benzylidene acetals are used as protecting
Benzylidene_acetal
Organic chemical compound
named 1,1-diethoxyethane but is commonly referred to as "acetal". This can cause confusion as "acetal" is more commonly used to describe compounds with the
Acetaldehyde
In organic chemistry, acroleinide is a functional group which is composed of a cyclic ketal of a diol with acrolein. In pharmaceutical chemistry, it is
Acroleinide
Cyclic ketal of a diol with 3-pentanone
In organic chemistry, pentanonide is a functional group which is composed of a cyclic ketal of a diol with 3-pentanone. It is seen in amcinafal (triamcinolone
Pentanonide
Functional group in organic chemistry
In organic chemistry, aminobenzal is a functional group which is composed of a cyclic ketal of a diol with 4-dimethylaminobenzylidene. It is seen in triamcinolone
Aminobenzal
Group of atoms introduced into a compound to prevent subsequent reactions
One way to do so converts the carbonyl into an acetal, which does not react with hydrides. The acetal is then called a protecting group for the carbonyl
Protecting_group
Organic compound of the form >C(OH)O–
added to the carbonyl group. This is half of the required alcohols to form acetals or ketals. Cyclic hemiacetals can sometimes be referred to as lactols.
Hemiacetal
Medicinal chemical compound, steroid
9α-fluoro-11β,16α-17α,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with acetone, is a synthetic halogenated cyclic ketal pregnane corticosteroid
Triamcinolone_acetonide
Chemical compound
Kocieński, Philip j. (1994). "3.2.2: Diol Protecting Groups—Acetals—Isopropylidene Acetals". Protecting Groups. Foundations of Organic Chemistry Series
Acetonide
cyclic 16α,17α-acetal with cyclopentanone, 21-acetate Budesonide = 11β,16α,17α,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16α,17α-acetal with butyraldehyde
List_of_corticosteroids
Class of chemical compounds
In organic chemistry, cyclopentanonide is a functional group which is composed of a cyclic ketal of a diol with cyclopentanone. It is seen in amcinonide
Cyclopentanonide
In organic chemistry, acetophenide is a functional group which is composed of the cyclic ketal of a diol with acetophenone. In pharmaceutical chemistry
Acetophenide
Chemical compound
1,1-Diethoxyethane (acetaldehyde diethyl acetal) is a major flavoring component of distilled beverages, especially malt whisky and sherry. Although it
1,1-Diethoxyethane
Chemical compound
slight odor of formaldehyde due to decomposition. Paraformaldehyde is a poly-acetal. Paraformaldehyde forms slowly in aqueous formaldehyde solutions as a white
Paraformaldehyde
Tool used to play stringed instruments
plastic, specifically the plastic known as acetal. Some plectra are of the homopolymer variety of acetal, sold by DuPont under the name "Delrin", while
Plectrum
Organic compounds with a –COOH group and a C=O group
(>C=O). In several cases, the keto group hydrates to the corresponding acetal in aqueous solution. The alpha-keto acids are especially important in biology
Keto_acid
Chemical compound
0001. Lorette, N.; Brown, Jr., J. (1959). "Notes- Use of Acetone Dimethyl Acetal in Preparation of Methyl Esters". The Journal of Organic Chemistry. 24 (2):
2,2-Dimethoxypropane
Chemical compound
each comprising five atoms. DVTOSU is a diallyl acetal and the precursor for the isomeric ketene acetal monomer 3,9-diethylidene-2,4,8,10-tetraoxaspiro[5
3,9-Divinyl-2,4,8,10-tetraoxaspiro(5.5)undecane
3,9-Divinyl-2,4,8,10-tetraoxaspiro(5.5)undecane
Chemical reaction intermediate
new, stable compounds, called acetals. The whole mechanism of acetal formation from hemiacetal is drawn below. Acetals, as already pointed out, are stable
Tetrahedral carbonyl addition compound
Tetrahedral_carbonyl_addition_compound
Shaping a liquid or plastic material by making it conform to a more rigid mold
Injection molding die with side pulls "A" side of die for glass-filled acetal with 2 side pulls Close up of removable insert in "A" side "B" side of die
Molding_(process)
Class of organosilicon compounds of the form R3Si–O–CR=CR2
ethers of esters (−OR) or carboxylic acids (−COOH) are called silyl ketene acetals and have the general structure R3Si−O−C(OR)=CR2. These compounds are more
Silyl_enol_ether
Chemical group, –C(=O)CH3
Acetoxy group Histone acetylation and deacetylation Polyoxymethylene plastic (acetal resin), a thermoplastic "List of Radical Names Beginning from "A"". Nomenclature
Acetyl_group
list of corticosteroid cyclic ketals, including cyclic ketals (cyclic acetals) of steroidal glucocorticoids and mineralocorticoids. They are almost all
List of corticosteroid cyclic ketals
List_of_corticosteroid_cyclic_ketals
Chemical compound
Algestone acetonide (developmental code name W-3395), also known as algestone 16α,17α-acetonide or 16α,17α-isopropylidenedioxyprogesterone, is a progestin
Algestone_acetonide
Complex sugar
Non-reducing disaccharides, in which the component monosaccharides bond through an acetal linkage between their anomeric centers. This results in neither monosaccharide
Disaccharide
Chemical compound
Dienedione, also known as estra-4,9-diene-3,17-dione, is a synthetic, orally active anabolic-androgenic steroid (AAS) of the 19-nortestosterone group that
Dienedione
Chemical compound
Frontalin is a naturally occurring organic compound. It is a terpenoid and acetal that functions as a pheromone in bark beetles and elephants. Frontalin acts
Frontalin
Organic compounds of the form >C=O
the mechanisms of many common organic reactions, like the formation of an acetal, for example. Acids as weak as pyridinium cation (as found in pyridinium
Ketone
Chemical compound
10-tetraoxaspiro[5.5]undecane (DETOSU) is a bicyclic ketene acetal derived from the isomeric allyl acetal 3,9-divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane (DVTOSU)
3,9-Diethylidene-2,4,8,10-tetraoxaspiro(5.5)undecane
3,9-Diethylidene-2,4,8,10-tetraoxaspiro(5.5)undecane
Organic compound containing the functional group R–CH=O
react to form an acetal and water. Simple hemiacetals are usually unstable, although cyclic ones such as glucose can be stable. Acetals are stable, but
Aldehyde
Chemical compound
prepared from acetals of acrolein (CH2=CHCHO) in two steps, oxidation followed by hydrolysis of the acetal. Its cyclohexylidene acetal can also be produced
Glyceraldehyde
Chemical compound
dialdehydes, succinaldehyde is handled as the hydrates or methanol-derived acetal. It is a precursor to tropinone. Succinaldehyde can be used as a crosslinking
Succinaldehyde
Use of metal-based Lewis acids to catalyze organic reactions
important consequences in some reactions, as in the case of Lewis acid-promoted acetal substitution reactions, where the SN1 and SN2 mechanisms shown below may
Lewis_acid_catalysis
Group of atoms giving a molecule characteristic properties
alkoxy -ol -one alkyl hemiketal Acetal Acetal RCH(OR′)(OR″) dialkoxy- -al dialkyl acetal Ketal (or Acetal) Ketal (or Acetal) RC(OR″)(OR‴)R′ dialkoxy- -one
Functional_group
Chemical compound
Dibutoxymethane or butylal, is an oligoether (more than one -O- grouping) or acetal containing two butyl groups and a methylene grouping. Dibutoxymethane is
Dibutoxymethane
Chemical group made of an –S(=O)2 group bound to a halogen
RSO− 2 and Cl+. For example benzenesulfonyl chloride chlorinates ketene acetals and mesyl chloride chlorinates para-xylene under Friedel-Crafts conditions
Sulfonyl_halide
Chemical compound
(general) Other names Acetaldehyde diacetate equivalent Aldehyde diacyl acetal Properties Chemical formula RCH(OCOR')(OCOR'') Molar mass Variable Except
Acylal
Chemical compound
reaction of an aldehyde with trimethyl orthoformate is an acetal. In general cases, these acetals can be deprotected back to the aldehyde by using hydrochloric
Trimethyl_orthoformate
Any organic compound having a sulfanyl group (–SH)
sulfides, thioacetals, and thioesters, which are analogous to ethers, acetals, and esters, respectively. Thiols are easily deprotonated. Relative to
Thiol
Very long-chain polyethylene with high impact strength
Its coefficient of friction is significantly lower than that of nylon and acetal and is comparable to that of polytetrafluoroethylene (PTFE, Teflon), but
Ultra-high-molecular-weight polyethylene
Ultra-high-molecular-weight_polyethylene
Any chemical compound having one atom as the only common member of two rings
compound encountered in educational settings is a heterocyclic one— the acetal formed by reaction of a diol with a cyclic ketone. The common atom that
Spiro_compound
Molecule composed of three interlocked rings
Borromean system as cleavage of just one imine bond (to an amine and an acetal) in this structure breaks the mechanical bond between the three constituent
Molecular_Borromean_ring
Chemical compounds with the structure R–O–O–R'
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Peroxide
Organic compounds made of alkyl/aryl groups bound to oxygen (R–O–R')
it was originally found in aniseed. The aromatic ethers include furans. Acetals (α-alkoxy ethers R–CH(–OR)–O–R) are another class of ethers with characteristic
Ether
Chemical compound
preparation of stool samples for microscopic examination in pathology. Polyvinyl acetals are prepared by treating PVA with aldehydes. Butyraldehyde and formaldehyde
Polyvinyl_alcohol
Substance composed of macromolecules with repeating structural units
of cracked and degraded polymer fuel lines. Chlorine-induced cracking of acetal resin plumbing joints and polybutylene pipes has caused many serious floods
Polymer
Chemical compound
enzymatically or with acid. Cellobiose has eight free alcohol (OH) groups, one acetal linkage, and one hemiacetal linkage, which give rise to strong inter- and
Cellobiose
Cyclic chemical group (–C6H5)
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Phenyl_group
Type of organosulfur compound
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Sulfinylamine
MATERIAL WELDABILITY ABS Good to Excellent Acetal Fair to Good Acrylic Good Acrylic Multi-polymer Good Acrylic Styrene Acrylonitrile Good Amorphous Polyethylene
Rheological_weldability
Functional group with the chemical structure R–S–S–R′
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Disulfide
Species of flowering plant
morellin dimethyl acetal, isomoreollin B, moreollic acid, gambogenic acid, gambogenin, isogambogenin, desoxygambogenin, gambogenin dimethyl acetal, gambogellic
Garcinia_hanburyi
Chemical element with atomic number 17 (Cl)
suspension rods. Some polymers are also sensitive to attack, including acetal resin and polybutene. Both materials were used in hot and cold water domestic
Chlorine
Class of chemical compounds
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Hydroperoxide
Chemical compound
It has a chloroform-like odor and a pungent taste. It is the dimethyl acetal of formaldehyde. Dimethoxymethane is soluble in three parts water[clarification
Dimethoxymethane
Distilled alcoholic beverage
Acetals are rapidly formed in distillates and a great many are found in distilled beverages, the most prominent being acetaldehyde diethyl acetal (1
Whisky
welding characteristics of semi-crystalline polymers Material Weldability Acetal Fair to good Cellulosics Good Fluoropolymers Fair to poor Liquid crystal
Spin_welding_of_polymers
Organic compound ethane-1,2-diol
manipulation of ketones and aldehydes. By reacting with the carbonyl to form an acetal product, it reduces the likelihood of nucleophilic attack at that carbonyl
Ethylene_glycol
Chemical group (–CH3) derived from methane
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Methyl_group
Chemical group (–CH=S)
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Thial
Chemical compound
Dioxolane is a heterocyclic acetal with the chemical formula (CH2)2O2CH2. It is related to tetrahydrofuran (THF) by replacement of the methylene group
Dioxolane
Functional group (C=O)
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Carbonyl_group
Chemical reaction
generation of propargyl alcohols. Acetals have also proven useful starting materials for the Paal-Knorr. A ketone with an acetal 3 bonds away from it can be
Paal–Knorr_synthesis
Organosulfur compounds of the form R–SC(=O)–R′
atom stabilizes the enol. But the enols are less nucleophilic than ketene acetals, and carbonyl α-substitution reactions occur more slowly. A reaction unique
Thioester
Chemical compound
the internal chemical structure of polybutylene piping and the associated acetal fittings. The reaction with chlorinated water appears to be greatly accelerated
Polybutylene
Chemical compound
aldol coupling of 4-tert-butylbenzaldehyde (typically as it's methanol acetal) and propionaldehyde, followed by hydrogenation. Lilial is commonly produced
Lilial
Chemical reaction
is the formation of an enamine 2 using N,N-dimethylformamide, dimethyl acetal and pyrrolidine.[4] The desired indole 3 is then formed in a second step
Leimgruber–Batcho indole synthesis
Leimgruber–Batcho_indole_synthesis
Chemical compound
fonctions éther-oxyde ou acétal" [Hydrogenation of the ether of the acids furthermore possessing the ether-oxide or acetal functions]. Bull. Soc. Chim
Oleyl_alcohol
arylsulfonyl acetals. An example of arylsulfonyl acetals as carbohydrate-protective groups are phenylsulfonylethylidene acetals. These acetals are resistant
Carbohydrate_acetalisation
Chemical compound
chloride and sodium ethoxide in ethanol, dimethylformamide diethyl acetal is formed in 68% yield. In aqueous sodium cyanide, N,N,N′,N′-tetramethylformamidinium
N,N,N′,N′-Tetramethylformamidinium chloride
N,N,N′,N′-Tetramethylformamidinium_chloride
Chemical compound
needed][better source needed] t is prepared by ring closing reactions from an acetal derived from threitol. It reacts with Grignard reagents to undergo ring-opening
Diepoxybutane
Chemical compound
used to convert ketones and aldehydes to the corresponding ketals and acetals, respectively. The hydrolysis of Si(OCH3)4 produces insoluble SiO2 and
Tetramethyl_orthosilicate
Plastics often used for making mechanical parts
Polyketone Polyethylene terephthalate Polyimides Polyoxymethylene plastic (acetal) Polyphenylene sulfide Polyphenylene oxide Polysulphone Polytetrafluoroethylene
Engineering_plastic
Chemical reaction
heating allylic alcohols in the presence of N,N-dimethylacetamide dimethyl acetal to form a γ,δ-unsaturated amide. This was developed by Albert Eschenmoser
Claisen_rearrangement
Loss of ductility of a material, making it brittle
temperatures Material Temperature [°F] Temperature [°C] Plastics ABS −270 −168 Acetal −300 −184.4 Delrin -275 to -300 -171 to -184 Nylon -275 to -300 -171 to
Embrittlement
Chemical compound
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Glycidamide
Chemical compound
Solketal is a protected form of glycerol with an isopropylidene acetal group joining two neighboring hydroxyl groups. Solketal contains a chiral center
Solketal
Medication used to treat insomnia
condensation of 3-acetylacetanilide (1) with N,N-dimethylformamide dimethyl acetal (DMFDMA) to give the eneamide (2). The anilide nitrogen is then alkylated
Zaleplon
Chemical group (–C3H7) derived from propane
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Propyl_group
Organic molecule with two different functional groups
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Bifunctionality
Chemical reaction
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Hydrodealkylation
Functional group >C(OH)O– on a cyclic compound
reactions including: Oxidation to form lactones Reaction with alcohols to form acetals The reaction of sugars with alcohols or other nucleophiles leads to the
Lactol
Chemical compound
The calicheamicins are a class of enediyne antitumor antibiotics derived from the bacterium Micromonospora echinospora, with calicheamicin γ1 being the
Calicheamicin
Small device used in playing guitar
gives them a feeling somewhere between a heavy and medium thickness". Acetal. Acetal is a class of hard, glossy, and durable plastics sold under different
Guitar_pick
Chemical compound
data Other names Triamcinolone acroleinide; Triamcinolone 16,17-2-propenal acetal; SD 2102-18; 9α-Fluoro-11β,21-dihydroxy-16α,17α-(2-propenylidenedioxy)pregna-1
Acrocinonide
Salt that is a metal-thioate/O-esters of dithiocarbonate
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Xanthate
Organic compounds with the structure >C=S
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Thioketone
Chemical group (–CH2–C6H5)
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Benzyl_group
Organosulfur compound of the form >S(=O)2
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Sulfone
Organic compound
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Urea
of benzylidene, although few are prepared from the carbene. Benzylidene acetal is a protecting group in synthetic organic chemistry of the form PhCH(OR)2
Benzylidene_compounds
Chemical group (R–O)
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Alkoxy_group
Chemical compound
2-Dimethoxy-2-phenylacetophenone α,α-Dimethoxy-α-phenylacetophenone Benzil α,α-dimethyl acetal Identifiers CAS Number 24650-42-8 Y 3D model (JSmol) Interactive image Abbreviations
2,2-Dimethoxy-2-phenylacetophenone
2,2-Dimethoxy-2-phenylacetophenone
Chemical group (–OCH3)
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Methoxy_group
Organic compounds
hydrogenated to give useful disaccharide alcohols with retention of the acetal linkage. Commercial products include lactitol, isomalt, and maltitol. Sugar
Sugar_alcohol
Any part of a molecule with the chemical formula –CH2–
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Methylene_bridge
Class of organic compounds
Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) R-O-R Acetal Alcohol Alkoxy Methoxy Ether Enol ether Epoxide Peroxy Hydroperoxy Dioxiranes
Hydrazone
Chemical compound
Paraldehyde is the cyclic trimer of acetaldehyde molecules. Formally, it is a derivative of 1,3,5-trioxane, with a methyl group substituted for a hydrogen
Paraldehyde
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