Which of the following compounds is known as oil of winter green?

Options

A. Phenyl benzoate
B. Phenyl salicylate
C. Phenyl acetate
D. Methyl salicylate

Answer

To determine which compound is known as oil of wintergreen, we can analyze the given options step by step.

### Step 1: Identify the compounds
The options provided are:
1. Phenyl benzoate
2. Phenyl salicylate
3. Phenyl acetate
4. Methyl salicylate

### Step 2: Understand the term "oil of wintergreen"
Oil of wintergreen is a common name used for a specific compound that is known for its characteristic smell and is often used in flavoring and medicinal applications.

### Step 3: Analyze each compound
- **Phenyl benzoate**: This is an ester formed from benzoic acid and phenol. It does not have the properties associated with oil of wintergreen.

- **Phenyl salicylate**: This is an ester of salicylic acid and phenol. While it has some medicinal uses, it is not known as oil of wintergreen.

- **Phenyl acetate**: This is an ester of acetic acid and phenol. It has a fruity smell but is not referred to as oil of wintergreen.

- **Methyl salicylate**: This compound is an ester of salicylic acid and methanol. It is commonly known as oil of wintergreen and has a characteristic sweet, minty odor.

### Step 4: Conclusion
After analyzing the options, we can conclude that the compound known as oil of wintergreen is **methyl salicylate**.

### Final Answer
The correct answer is **methyl salicylate**.

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