Search results
Results from the WOW.Com Content Network
2 O 2, 30% in 1-butanol), with selenium dioxide as catalyzer. The yield was 88%, with no trace of the 1,5/2,4 isomer. The racemic 1,4/2,5 isomer is soluble in ethanol, and yields colorless crystals with melting point 194–196 °C. [3] The (+) enantiomer is betitol, a natural product first identified in sugar beets.
Possible isomers with two geminal hydroxyls (on the same carbon) are [dubious – discuss]. 1,1,2,3-Cyclohexanetetrol (4 isomers); hydrate of 2,3-dihydroxy-cyclohexanone; 1,1,2,4-Cyclohexanetetrol (4 isomers); hydrate of 2,4-dihydroxy-cyclohexanone
The molecular formula C 3 H 6 O 2 may refer to: Acids and esters. Acid. Propanoic acid; Esters. Methyl acetate; Ethyl formate ... additional terms may apply.
1,2,3,4-Cyclohexanetetrol (also named cyclohexane-1,2,3,4-tetrol, 1,2,3,4-tetrahydroxycyclohexane, or ortho-cyclohexanetetrol) is an organic compound whose molecule can be described as a cyclohexane with four hydroxyl (OH) groups substituted for hydrogen atoms on four consecutive carbon atoms.
1,2-Dioxolane is a chemical compound with formula C 3 H 6 O 2, consisting of a ring of three carbon atoms and two oxygen atoms in adjacent positions. Its condensed structural formula is [–( CH 2 ) 3 –O–O–] .
Le Bel-van't Hoff rule states that for a structure with n asymmetric carbon atoms, there is a maximum of 2 n different stereoisomers possible. As an example, D-glucose is an aldohexose and has the formula C 6 H 12 O 6. Four of its six carbon atoms are stereogenic, which means D-glucose is one of 2 4 =16 possible stereoisomers. [20] [21]
Discounting isomers that are equivalent under rotations, there are nine isomers that differ by this criterion, and behave as different stable substances (two of them being enantiomers of each other). The most common one in nature ( myo -inositol) has the hydroxyls on carbons 1, 2, 3 and 5 on the same side of that plane, and can therefore be ...
Tricyclo[4,2,0,0 2,5]octa-3,7-diene. The dimer of cyclobutadiene occurs as a cis isomer and a trans isomer. Both isomers convert to COT (symmetry forbidden hence stable) with a half-life of 20 minutes at 140 °C [10]