d. The following ketone which is reportedly the odorific component of fresh coffee H3CO- from any starting materials that contain less than 10 carbons

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Chapter1: Chemical Foundations
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Supply synthetic routes to the following molecules using the indicated starting materials

**d. The following ketone, which is reportedly the odorific component of fresh coffee, from any starting materials that contain less than 10 carbons.**

**Chemical Structure:**
- The molecule depicted is a ketone with an aromatic ring (benzene ring) attached to a methoxy group (H₃CO–) and a propionate side chain (a three-carbon chain ending in a carbonyl group –C=O).

**Detailed Diagram Explanation:**
- **Benzene Ring:** The hexagonal structure in the center represents a benzene ring, a common aromatic structure found in organic chemistry, consisting of six carbon atoms connected in a loop with alternating double bonds.
- **Methoxy Group:** Attached to the benzene ring is a methoxy group (H₃CO–), which is an oxygen atom bonded to a methyl group (CH₃).
- **Propionate Side Chain:** Extending from the benzene ring is a three-carbon chain. The terminal carbon on this chain forms a carbonyl group, characteristic of ketones, contributing to the molecule's functional properties.

This ketone is significant in the context of coffee because it contributes to its distinct aroma.
Transcribed Image Text:**d. The following ketone, which is reportedly the odorific component of fresh coffee, from any starting materials that contain less than 10 carbons.** **Chemical Structure:** - The molecule depicted is a ketone with an aromatic ring (benzene ring) attached to a methoxy group (H₃CO–) and a propionate side chain (a three-carbon chain ending in a carbonyl group –C=O). **Detailed Diagram Explanation:** - **Benzene Ring:** The hexagonal structure in the center represents a benzene ring, a common aromatic structure found in organic chemistry, consisting of six carbon atoms connected in a loop with alternating double bonds. - **Methoxy Group:** Attached to the benzene ring is a methoxy group (H₃CO–), which is an oxygen atom bonded to a methyl group (CH₃). - **Propionate Side Chain:** Extending from the benzene ring is a three-carbon chain. The terminal carbon on this chain forms a carbonyl group, characteristic of ketones, contributing to the molecule's functional properties. This ketone is significant in the context of coffee because it contributes to its distinct aroma.
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