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प्रश्न
Write chemical equation for the following:
Gatterman - Koch formylation
Write the chemical reactions involved in:
Gatterman Koch formylation
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उत्तर
Benzene or substituted benzene is treated under high pressure with carbon-monoxide and hydrogen chloride in the presence of anhydrous aluminium chloride or cuprous chloride to give benzaldehyde or substituted benzaldehyde.
संबंधित प्रश्न
Complete the synthesis by giving missing starting material, reagent or product.
Complete the synthesis by giving missing starting material, reagent or product.
Write a note on ‘aldol condensation’.
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Answer the following in one sentence.
Predict the product of the following reaction:
\[\ce{CH3 - CH2 - COOCH3->[i) AIH(i-Bu)_2][ii) H3O+]}\]?
Answer the following in one sentence.
Name the product obtained by reacting toluene with carbon monoxide and hydrogen chloride in presence of anhydrous aluminium chloride.
The formation of aldehyde from an alkyl cyanide using SnCl2/conc.HCl is known as ____________.
Which of the following alcohols needs acidic KMnO4 to convert it into aldehyde or ketone?
Which of the following is called as mandelonitrile?
Which of the following represents Etard's reaction?
Identify the compound obtained by side chain chlorination of toluene and hydrolysed further.
The product of the reaction between dimethylcadmium and acetyl chloride is ____________.
Identify 'A' in the following reaction:
\[\begin{array}{cc}
\phantom{...........}\ce{O}\\
\phantom{...........}||\\
\ce{2A + (C6H5CH2)2 Cd -> 2CH3 - C - CH2 - C6H5 + CdCl2}\end{array}\]
Which among the following compound on treatment with DIBAL-H yields dodecanal at 195 K?
Which of the following compounds does NOT undergo Friedel-Crafts reaction?
Identify 'A' in the following reaction.
\[\ce{A ->[H2][Pd-BaSO4] C6H5CHO + HCl}\]
Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): SO2 is reducing while TeO2 is an oxidising agent.
Reason (R): Reducing property of dioxide decreases from SO2 to TeO2.
Select the most appropriate answer from the options given below:
Which of the following reaction is shown by alkynes?
How ketones are prepared from nitriles?
Ozonolysis of 2, 3 dimethyl but-2-ene, followed by decomposition by Zn dust and water gives ______.
Write Stephen reaction for the preparation of aldehyde.
How are the following compound obtained by hydration of alkenes?
Ethyl alcohol
Which of the following on heating with aqueous KOH produces acetaldehyde.
Identify the product when alkyl alkanoate is hydrolysed with dil. HCl obtained when.
Identify the suitable reagent for the following conversion.
Identify the reagent ‘R’ necessary to bring the following conversion.
