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1,3-Cyclohexanedione is an organic compound with the formula (CH 2) 4 (CO) 2. It is one of three isomeric cyclohexanediones. It is a colorless compound that occurs ...
Resorcinol crystallizes from benzene as colorless needles that are readily soluble in water, ... also known as 1,3-cyclohexanedione. ... C 6 H 3 (O)] 2 CH 2. Reaction ...
Dimedone is an organic compound with the formula (CH 3) 2 C(CH 2) 2 (CO) 2 (CH 2). Classified as a cyclic diketone, it is a derivative of 1,3-cyclohexanedione. It is a white solid that is soluble in water, as well as ethanol and methanol. It once was used as a reagent to test for the aldehyde functional group.
[12] 1,3-Cyclohexanedione is first reacted with the acid chloride of 4-(methylsulfonyl)-2-nitrobenzoic acid under conditions in which the enolic hydroxyl group of the diketone reacts to form the benzoylated derivative. In a separate step, this is rearranged to mesotrione using a catalytic amount of cyanide ion derived from acetone cyanohydrin.
Solubility in water. 41.3 g/L (25 °C) ... Common reactions include nucleophilic conjugate addition ... it can be produced from resorcinol via 1,3-cyclohexanedione. [6]
In enzymology, a cyclohexane-1,3-dione hydrolase (EC 3.7.1.10) is an enzyme that catalyzes the chemical reaction cyclohexane-1,3-dione + H 2 O ⇌ {\displaystyle \rightleftharpoons } 5-oxohexanoate Thus, the two substrates of this enzyme are cyclohexane-1,3-dione and H 2 O , whereas its product is 5-oxohexanoate .
The Wichterle reaction is a variant of the Robinson annulation that replaces methyl vinyl ketone with 1,3-dichloro-cis-2-butene. This gives an example of using a different Michael acceptor from the typical α,β-unsaturated ketone. The 1,3-dichloro-cis-2-butene is employed to avoid undesirable polymerization or condensation during the Michael ...
The original Wieland–Miescher ketone is racemic and prepared in a Robinson annulation of 2-methyl-1,3-cyclohexanedione and methyl vinyl ketone. The intermediate alcohol is not isolated. An enantioselective synthesis employs L-proline as an organocatalyst: [7] This reaction was reported in 1971 by Z. G. Hajos and D. R. Parrish.