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4,4′-Dihydroxybenzophenone is an organic compound with the formula (HOC 6 H 4) 2 CO. This off-white solid is a precursor to, or a degradation product of, diverse commercial materials. It is a potential endocrine disruptor. [1]
There are three structural isomers: 1,2-dihydroxybenzene (the ortho isomer) is commonly known as catechol, 1,3-dihydroxybenzene (the meta isomer) is commonly known as resorcinol, and 1,4-dihydroxybenzene (the para isomer) is commonly known as hydroquinone. [1]
The scientists analyzed blood, urine, feces, and tissue samples and found three metabolites: 2,4-dihydroxybenzophenone (DHB), 2,2-dihydroxy-4-methoxybenzophenone (DHMB) and 2,3,4-trihydroxybenzophenone (THB). [28] [29] To form DHB the methoxy functional group undergoes O-dealkylation; to form THB the same ring is hydroxylated. [27]
Benzophenone is a naturally occurring organic compound with the formula (C 6 H 5) 2 CO, generally abbreviated Ph 2 CO. Benzophenone has been found in some fungi, fruits and plants, including grapes. [4]
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2,4-Dihydroxybenzaldehyde or β-resorcylaldehyde is a phenolic aldehyde, a chemical compound with the formula C 7 H 6 O 3. It is an isomer of protocatechuic aldehyde (3,4-dihydroxybenzaldehyde). References
Dioxybenzone (benzophenone-8) is an organic compound used in sunscreen to block UVB and short-wave UVA (ultraviolet) rays. [2] It is a derivative of benzophenone . It is a yellow powder with a melting point of 68 °C.
In enzymology, a 2,4'-dihydroxyacetophenone dioxygenase (EC 1.13.11.41) is an enzyme that catalyzes the chemical reaction. 2,4'-dihydroxyacetophenone + O 2 4-hydroxybenzoate + formate. Thus, the two substrates of this enzyme are 2,4'-dihydroxyacetophenone and O 2, whereas its two products are 4-hydroxybenzoate and formate.