Concept explainers
(a)
Interpretation: The reaction of an alkene with dilute sulphuric acid in the presence of methanol as solvent occurs quite similar to acid-catalyzed hydration but in the second step alcohol acts as a nucleophile. The mechanism for the given chemical transformation is to be interpreted.
Concept introduction:
(b)
Interpretation: The mechanism for the given chemical transformation is to be interpreted.
Concept introduction:
Alkenes are unsaturated hydrocarbons with at least one double bond between the carbon atoms. The acid-catalyzed hydration reactions of alkene involve the reaction of an alkene with
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- Heating an alcohol in the presence of sulfuric or phosphoric acid will cause a dehydration to occur: the removal of the elements of water from a molecule, forming an alkene. The reaction usually follows an E1 mechanism. The SN1 pathway is suppressed, both by heating the reaction mixture (more energy promotes the elimination pathway) and by using a strong acid whose conjugate base is a poor nucleophile. Draw curved arrow(s) to show how the alcohol reacts with phosphoric acid.arrow_forwardDraw out the complete mechanism of the reaction and include all relevant electrons and arrows showing electron movement. NaOHarrow_forwardDraw a stepwise, detailed mechanism for the following reaction. CH3NH2 N-CH3 CH,NH, Cr (excess)arrow_forward
- Complete the following stepwise reaction mechanism problems based on the reaction conditions given: Draw the stepwise mechanism.arrow_forwardQ- mahesh Please draw out the mechanism and explain the reagents you use.arrow_forwardDescribe the following chemical reactions as SN1, SN2, E1 and W2. Draw a curved arrow mechanism for each reaction.arrow_forward
- When a single compound contains both a nucleophile and a leaving group, an intramolecular reaction may occur. With this in mind, draw the product of the following reactionarrow_forwardLike other electrophiles, carbocations add to alkenes to form new carbocations, which can then undergo substitution or elimination reactions depending on the reaction conditions. With this in mind, draw a stepwise mechanism for the following reaction, which involves the addition of an electrophile—a carbocation—to a double bond.arrow_forward1) Please draw the mechanism for the following transformation. OH NABH, ELOHarrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning