Principio Copernican

A allene is a Hydrocarbure of which one of the Atome S of Carbone is connected to two other carbon atoms by means of two double connections.

Stereochemistry

One can note in particular that the plans R-C-R' and R - CR are orthogonal
The allenes can show an axial Chiralité, although not having inevitably asymmetrical carbon.

Synthesis

Reactivity

This type of grouping makes allenes more reactive than the Alcène S.

See too

Organic chemistry
Olefinic hydrocarbon
Alkyne compound

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