Pregnadiene
Encyclopedia
A pregnadiene is a diene
derivative of a pregnane
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Dienes have two double bond
s. The first is usually between carbon 4 and carbon 5 on ring A.
Diene
In organic chemistry a diene or diolefin is a hydrocarbon that contains two carbon double bonds.Conjugated dienes are functional groups, with a general formula of CnH2n-2. Dienes and alkynes are functional isomers...
derivative of a pregnane
Pregnane
Pregnane is, indirectly, a parent of progesterone. It is a parent hydrocarbon for two series of steroids stemming from 5α-pregnane and 5β-pregnane ....
.
Dienes have two double bond
Double bond
A double bond in chemistry is a chemical bond between two chemical elements involving four bonding electrons instead of the usual two. The most common double bond, that between two carbon atoms, can be found in alkenes. Many types of double bonds between two different elements exist, for example in...
s. The first is usually between carbon 4 and carbon 5 on ring A.