Sulfinic acids are oxoacids of sulfur with the structure RSO(OH). In these organosulfur compounds, sulfur is pyramidal. Sulfinic acids RSO2H are about...

Cysteine sulfinic acid is the organic compound with the nominal formula HO2SCH2CH(NH2)CO2H . It is a rare example of an amino acid bearing a sulfinic acid functional...

the pancreas via the cysteine sulfinic acid pathway. In this pathway, cysteine is first oxidized to its sulfinic acid, catalyzed by the enzyme cysteine...

first reaction yields sulfenic acid (R−S−OH) then sulfinic acid (R−S(=O)−OH) and finally R−S(=O)2−OH. Sulfenic acids form disulfides with another protein...

which also include sulfinic acids (R−S(=O)OH) and sulfonic acids (R−S(=O)2OH), respectively. The base member of the sulfenic acid series with R = H is...

thiourea dioxide converts to the tautomer, a sulfinic acid, (H2N)HN=CS(O)(OH), named formamidine sulfinic acid. Thiourea dioxide was first prepared in 1910...

Malonic acid, CH2(COOH)2, is systematically named propanedioic acid. Alternatively, the suffix "-carboxylic acid" can be used in place of "oic acid", combined...

classes of organic compounds (such as aldehydes, ketones and carboxylic acids), as part of many larger functional groups. A compound containing a carbonyl...

gamma-amine in gamma-aminobutyric acid is on the third carbon of the carbon chain attached to the carboxylic acid group. IUPAC conventions call for numeric...

alkaline solution. To do this, thiourea dioxide first forms an amidine-sulfinic acid tautomer, H2NC(=NH)SO2H, which then breaks apart. Sulfoxylate reacts...

oxoacids (e.g. esters of acetic acid, carbonic acid, sulfuric acid, phosphoric acid, nitric acid, xanthic acid), but also from acids that do not contain oxygen...

in presence of base forming a hydroxamic acid. The other reaction product is a sulfinic acid. The reaction was discovered by the two Italian chemists...

In organic chemistry, sulfonic acid (or sulphonic acid) refers to a member of the class of organosulfur compounds with the general formula R−S(=O)2−OH...

Oxaloacetic acid (also known as oxalacetic acid or OAA) is a crystalline organic compound with the chemical formula HO2CC(O)CH2CO2H. Oxaloacetic acid, in the...

Sulfuric(IV) acid (United Kingdom spelling: sulphuric(IV) acid), also known as sulfurous (UK: sulphurous) acid and thionic acid,[citation needed] is the...

asparagine and glutamine. It can be viewed as a derivative of a carboxylic acid (R−C(=O)−OH) with the hydroxyl group (−OH) replaced by an amine group (−NR′R″);...

The organic compound citrulline is an α-amino acid. Its name is derived from citrullus, the Latin word for watermelon. Although named and described by...

potassium permanganate, nitric acid, chromium(VI) oxide, and chromic acid. The combination of manganese dioxide, cyanide, acetic acid and methanol will convert...

where R represents an alkyl group. Formally they are alkyl esters of nitrous acid. They are distinct from nitro compounds (R−NO2). The first few members of...

rearrangement of oximes. Thionyl chloride will transform sulfinic acids into sulfinyl chlorides Sulfonic acids react with thionyl chloride to produce sulfonyl...

Pyruvic acid (IUPAC name: 2-oxopropanoic acid, also called acetoic acid) (CH3COCOOH) is the simplest of the alpha-keto acids, with a carboxylic acid and a...

iron enzyme that catalyzes the conversion of L-cysteine to cysteine sulfinic acid (cysteine sulfinate). CDO plays an important role in cysteine catabolism...

Fumaric acid is an organic compound with the formula HO2CCH=CHCO2H. A white solid, fumaric acid occurs widely in nature. It has a fruit-like taste and...

Lysine (symbol Lys or K) is an α-amino acid that is a precursor to many proteins. It contains an α-amino group (which is in the protonated −NH+3 form when...

dioxide. The preparation of sulfinic acids by the oxidation of thiols is difficult due to overoxidation. In sulfinic acids, sulfur has the +4 oxidation...

A xanthate is a salt or ester of a xanthic acid. The formula of the salt of xanthic acid is [R−O−CS2]−M+ (where R is organyl group and M is usually Na...

Glutamic acid (symbol Glu or E; the anionic form is known as glutamate) is an α-amino acid that is used by almost all living beings in the biosynthesis...

carbon acids with nitroso compounds. The rearrangement of trityl N-haloamines in the Stieglitz rearrangement. By reaction of alkenes with hydrazoic acid in...

Hypotaurine is a sulfinic acid that is an intermediate in the biosynthesis of taurine. Like taurine, it also acts as an endogenous neurotransmitter via...

dicarboxylic acids, and their names reflect the parent acid. Examples are succinimide, derived from succinic acid, and phthalimide, derived from phthalic acid. For...