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The tetramethylbenzenes constitute a group of substances of aromatic hydrocarbons, which structure consists of a benzene ring with four methyl groups (–CH 3) as a substituent. [1] Through their different arrangement, they form three structural isomers with the molecular formula C 10 H 14 .
Number of isomers [3] [4] Number of isomers including stereoisomers [3] [5] Molecular Formula Name of straight chain Synonyms 1 1 1 CH 4: methane: methyl hydride; natural gas 2 1 1 C 2 H 6: ethane: dimethyl; ethyl hydride; methyl methane 3 1 1 C 3 H 8: propane: dimethyl methane; propyl hydride 4 2 2 C 4 H 10: n-butane: butyl hydride ...
The molecular formula C 6 H 14 (molar mass: 86.17 g/mol) may refer to ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...
The molecular formula C 10 H 14 ... 1,2,3,4-Tetramethylbenzene (prehnitene) 1,2,3,5 ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
There are many valence isomers one can draw for the C 6 ... [5.1.0.0 2,4. 0 3,5 ... was reported synthesised from homobenzvalene and converts to COT at 50 °C [14] ...
The compound with the formula (C 5 H 5) 2 Fe 2 (CO) 4 exists as three isomers in solution. In one isomer the CO ligands are terminal. When a pair of CO are bridging, cis and trans isomers are possible depending on the location of the C 5 H 5 groups. [7] Another example in organometallic chemistry is the linkage isomerization of ...
Electrophilic chlorination: C 6 H 6 + Cl 2 → C 6 H 5 Cl + HCl In contrast, chlorination of benzene under radical addition conditions (Cl 2 , h ν ( photochlorination ) or Cl 2 , Δ, high P ) yields hexachlorocyclohexane isomers after three successive radical dichlorination steps.
The designation rac-chiro-inositol has been used for the racemic mixture (racemate) of equal parts of the two chiro isomers. It crystallizes as a single phase, rather than separate D and L crystals, that melts at 250 °C (which is 4–5 °C higher than the melting point of the pure enantiomers) and decomposes between 308 and 344 °C.