How do you name hemiacetals?
There are two acceptable names for hemiacetals.
Think about the hemiacetal that ethanol and butanal combine to form:
This could be referred to as an alkoxy alcohol.
Thus, 1-ethoxybutan-1-ol is the name.
Alternatively, you could use the class name "hemiacetal" to name it.
Then, butanal ethyl hemiacetal is the name.
Both names are appropriate.
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Hemiacetals are named by first identifying the alkyl groups attached to the carbon atom bonded to the -OH group, followed by the word "hydroxy" to indicate the presence of the -OH group. Then, the name of the parent alkane is used, replacing the "-e" with "-al" to indicate the presence of the aldehyde functional group. Finally, the positions of the substituents are indicated by numbering the carbon atoms, with the carbon atom bearing the -OH group given the lowest possible number.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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