Question

Question: Classifying a carbon atom by the number of carbons to which it is bonded can also be done in more complex molecules that contain heteroatoms. Classify each hybridized carbon atom in bilobalide, a compound isolated from Ginkgo biloba extracts, as $1^0$,$2^0$,$3^0$, or $4^0$.

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Classification of carbon atoms in a compound

The classification of carbon atoms into $1^0$,$2^0$, role="math" localid="1648126758647" $3^0$and $4^0$carbons are as follows:

• The $1^0$carbon has one carbon atom attached.
• The $2^0$carbon has two carbon atoms attached.
• The $3^0$carbon has three carbon atoms attached.
• The $4^0$carbon has four carbon atoms attached.

The only $s{p}^3$hybridized carbon atom can have the above classification.

Classification of carbon atoms in Bilobalide

The $1^0$,localid="1648126967983" $2^0$, $3^0$and $4^0$carbon are shown in the structure of bilobalide as:

Classification of carbon atoms