Bis (benzene)chromium is the organometallic compound with the formula Cr (η 6- C 6 H 6)2. It is sometimes called dibenzenechromium. The compound played an important role in the development of sandwich compounds in organometallic chemistry and is the prototypical complex containing two arene ligands.

Aug 30, 2014 · While compounds like these are usually named by simple benzene type naming (chlorobenzene and bromobenzene), the phenyl group naming is usually applied to benzene rings where a substituent with six or more carbons is attached, such as in the diagram below.

Instead of using numbers to indicate substituents on a benzene ring, ortho- (o-), meta- (m-), or para (p-) can be used in place of positional markers when there are two substituents on the benzene ring (disubstituted benzenes). They are defined as the following:

Figure \(\PageIndex{2}\) the compound is named as such: Position prefix-Names of the substituents in alphabetical order + benzene. Remember if two of the same substituent appears then the prefix di-is used before the substituent's name.

Jan 29, 2018 · It’s one thing to learn about electrophilic aromatic substitution reactions of benzene itself. But once you move toward substituted benzenes, that’s when things start getting really interesting. Today we’ll describe the two main patterns by which various substituents “direct” electrophilic aromatic substitution.

Mar 19, 2018 · When faced with trying to predict the product of an electrophilic aromatic substitution reaction of a disubstituted benzene, there are two important rules of thumb: The most activating group will act as the directing group.

Dinitrobenzenes are nitrobenzenes composed of a benzene ring and two nitro group (-NO 2) substituents. The three possible arrangements of the nitro groups afford three isomers , 1,2-dinitrobenzene , 1,3-dinitrobenzene , and 1,4-dinitrobenzene .

Learn about the nomenclature of mono-, di- and poly-substituted benzene compounds with suitable examples with BYJU'S.

Benzene is an organic chemical compound with the molecular formula C 6 H 6. ... The German chemist Wilhelm Körner suggested the prefixes ortho-, meta-, para- to distinguish di-substituted benzene derivatives in 1867; however, he did not use the prefixes to distinguish the relative positions of the substituents on a benzene ring.

The nomenclature consists of the substituent name followed by "benzene." For di-substituted benzene, two substituents are present and their locations are indicated numerically or by using the terms ortho (1,2-disubstitution), meta (1,3-disubstitution), and para (1,4-disubstitution).