Synthesis of given compound 1 using acetylene, acetone, and formaldehyde has to be proposed. Concept introduction: An acetal is a compound having structural formula R 2 C ( O R ' ) 2 . Acetal is prepared two molecules of alcohol reacts with a ketone or an aldehyde Sodium Amide: NaNH 2 is a very strong base that is used in a reaction to deprotonate alcohols and alkynes and is host for different functional groups having acidic protons namely ketones and esters Lindlar catalyst: The catalyst is used for the hydrogenation of alkenes in a syn manner. This means both hydrogen are added on the same side across the double bond and the product obtained will be a cis product.

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Chapter 19.12, Problem 41ATS

Interpretation Introduction

Interpretation:

Synthesis of given compound 1 using acetylene, acetone, and formaldehyde has to be proposed.

Concept introduction:

An acetal is a compound having structural formula R2C(OR')2. Acetal is prepared two molecules of alcohol reacts with a ketone or an aldehyde

Sodium Amide: NaNH2 is a very strong base that is used in a reaction to deprotonate alcohols and alkynes and is host for different functional groups having acidic protons namely ketones and esters

Lindlar catalyst: The catalyst is used for the hydrogenation of alkenes in a syn manner. This means both hydrogen are added on the same side across the double bond and the product obtained will be a cis product.

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