### Chemical Reaction Pathway and Product Identification#### Reactants and Conditions:- **Starting Material**: Benzaldehyde (C₇H₆O) - Structure: A benzene ring bonded to an aldehyde group.- **Reagents and Conditions**: 1. **Potassium cyanide (KCN) in water (H₂O)** 2. **Sodium borohydride (NaBH₄) in methanol (MeOH)** 3. **Cyclopentanone, p-Toluenesulfonic acid (TsOH), benzene, heat**#### Possible Products:The goal is to determine the major product of the multi-step reaction sequence.**Possible Products (Labeled A-D):**- **Product A**: - Contains a benzyloxy group and cyclopentyl ring connected via an aromatic system. - Structure: Benzene ring – O – (cyclopentyl group) - single bond - Benzene ring.- **Product B**: - Features a benzyl and a phenyl group connected to a cyclopentane ring via an oxygen atom. - Structure: Includes both benzyl and phenyl groups with stereochemistry indicated.- **Product C**: - Similar to B but with a different configuration and aromatic substituent. - Structure: Benzyl group and cyclopentyl ring connected to a carbon with oxygen atoms.- **Product D**: - A benzyl group attached to a carboxylic acid functional group and phenyl group. - Structure: Carboxylic acid derivative with a benzyl phenyl attachment.## Explanation:1. **Step 1** - **Potassium Cyanide (KCN) in Water**: - Reacts with benzaldehyde to form a cyanohydrin via nucleophilic addition reaction. 2. **Step 2** - **Sodium Borohydride (NaBH₄) in Methanol**: - Reduces the cyanohydrin intermediate to produce an amino alcohol compound.3. **Step 3** - **Cyclopentanone, TsOH in Benzene Under Heat**: - The resulting amino alcohol undergoes an acid-catalyzed intramolecular cyclization with cyclopentanone, leading to the formation of a bicyclic compound.Given the conditions

We have to complete the given reaction.

Answered: H A 1. KCN, H2O 2. NaBH4, MeOH 3.…

Science

Chemistry

H A 1. KCN, H2O 2. NaBH4, MeOH 3. cyclopentanone TSOH, benzene heat Ph Ph o look & of OH D B Ph

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter16: Synthesis Workshop 1

Section: Chapter Questions

Problem 25CTQ

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