Advertisements
Advertisements
Question
Write the reaction involved in the Stephen reduction
Advertisements
Solution
Stephen reduction: In this reaction, nitriles are reduced to corresponding imine with stannous chloride in the presence of hydrochloric acid, which on hydrolysis give corresponding aldehyde.
APPEARS IN
RELATED QUESTIONS
Write the chemical equations to illustrate the following name reactions : Rosenmund reduction
How will you bring about the following conversion?
Benzoyl chloride to benzaldehyde.
Aldehydes are produced on reduction of the following by DIBAL-H:
Aldehydes are prepared by reducing nitriles to corresponding imines with stannous chloride in the presence of hydrochloric acid. This reaction is called:
Can Gatterman-Koch reaction be considered similar to Friedel Craft’s acylation? Discuss.
The number of chiral carbon in glucose is:-
When 2 – hydroxyl benzoic acid distilled with zinc dust, it give
The oxidation of toluene to benzaldehyde by chromyl chloride is called ______.
Assertion (A): Strong oxidising agents oxidise toluene and its derivatives to benzoic acids.
Reason (R): It is possible to stop the oxidation of toluene at the aldehyde stage with suitable reagents.
Select the most appropriate answer from the options given below:
An organic compound with molecular formula \[\ce{C7H7NO2}\] exists in three isomeric forms, the isomer ‘A’ has the highest melting point of the three. ‘A’ on reduction gives compound ‘B’ with molecular formula \[\ce{C7H9N}\]. ‘B’ on treatment with \[\ce{NaNO2/HCl}\] at 0-5° C to form compound ‘C’. On treating C with \[\ce{H3PO2}\], it gets converted to D with formula \[\ce{C7H8}\], which on further reaction with \[\ce{CrO2Cl2}\] followed by hydrolysis forms ‘E’ \[\ce{C7H6O}\]. Write the structure of compounds A to E. Write the chemical equations involved.
