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Phenacyl bromide is the organic compound with the formula C 6 H 5 C(O)CH 2 Br. This colourless solid is a powerful lachrymator as well as a useful precursor to other organic compounds. It is prepared by bromination of acetophenone: [2] C 6 H 5 C(O)CH 3 + Br 2 → C 6 H 5 C(O)CH 2 Br + HBr. The compound was first reported in 1871. [3]
In organic chemistry, a phenacyl group is an aromatic substituent that consists of a phenyl group attached to an acyl group. A molecule containing a phenacyl group has the formula RCH 2 (CO)C 6 H 5 and the structure shown to the right. Here, R denotes the remainder of the molecule; for instance, if R is Br, then the compound could be called ...
The general structure is RR′C(X)C(=O)R where R is an alkyl or aryl residue and X any one of the halogens. The preferred conformation of a halo ketone is that of a cisoid with the halogen and carbonyl sharing the same plane as the steric hindrance with the carbonyl alkyl group is generally larger.
LUCY is an open-source structure elucidation method based on the HMBC data of unknown molecules, [16] and involves an exhaustive 2-step structure generation process where first all combinations of interpretations of HMBC signals are implemented in a connectivity matrix, which is then completed by a deterministic generator filling in missing ...
Bromobenzene is an aryl bromide and the simplest of the bromobenzenes, consisting of a benzene ring substituted with one bromine atom. Its chemical formula is C 6 H 5 Br. It is a colourless liquid although older samples can appear yellow. It is a reagent in organic synthesis.
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Common names o-bromochlorobenzene ortho-bromochlorobenzene m-bromochlorobenzene meta-bromochlorobenzene p-bromochlorobenzene para-bromochlorobenzene Systematic name: 1-bromo-2-chlorobenzene 1-bromo-3-chlorobenzene 1-bromo-4-chlorobenzene Molecular formula: BrC 6 H 4 Cl Molar mass: 191.45 g/mol CAS number: 694-80-4: 108-37-2: 106-39-8 ...
Other names Bromoacetone 1-Bromo-2-propanone α-Bromoacetone Acetonyl bromide Acetyl methyl bromide Bromomethyl methyl ketone Monobromoacetone Martonite BA UN 1569.