(a)
Interpretation:
Structure of the
Concept Introduction :
Haloalkanes undergo dehydrohalogenation when treated with base to produce
(b)
Interpretation:
Structure of the alkyl halide must be drawn which will undergo to yield only the indicated alkene.
Concept Introduction :
Haloalkanes undergo dehydrohalogenation when treated with base to produce alkenes. To produce only one alkene the position of halide should be such that there are chemically equivalent beta hydrogens.
(c)
Interpretation:
Structure of the alkyl halide must be drawn which will undergo to yield only the indicated alkene.
Concept Introduction :
Haloalkanes undergo dehydrohalogenation when treated with base to produce alkenes. To produce only one alkene the position of halide should be such that there are chemically equivalent beta hydrogens.
(d)
Interpretation:
The structure of the alkyl halide must be drawn which will undergo to yield only the indicated alkene.
Concept Introduction :
Haloalkanes undergo dehydrohalogenation when treated with base to produce alkenes. To produce only one alkene the position of halide should be such that there are chemically equivalent beta hydrogens.
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- Draw an alkyl halide that would undergo SN2 reaction to yield this product under the conditions shown below.arrow_forwardDraw the major product of the following sequence of reactions. If the reaction is likely to give you a mixture of ortho and para disubstituted compounds you should assume that they can be separated; continue the synthesis with either one. If so, draw the intermediates as well. CH3 K₂Cr₂07 Cl₂, AlCl3 H2SO4arrow_forwardComplete the following reactions by providing the missing product(s). Determine what mechanism operates in each case (SN1, SN2, E1, or E2). Show the stereochemistry of the product(s) where appropriate. If more than one product is formed circle the major one.arrow_forward
- Draw the structure for the alkyl bromide that will produce the alkene shown as the only product of an E2 reaction.arrow_forwardDraw an alkyl halide that would undergo an SN2 reaction to yield this product under the conditions shown below. Use wedge and dash bonds to indicate stereochemistry where appropriate. Draw Starting Alkyl Halide CH3OK THEarrow_forwardPropose a multi-step synthesis of the target molecule shown at the right, using the starting materials on the left and any other reagents you need. Show the reagents needed for each step and the product of each step. You will need 4 reaction arrows. Remember: Aldehyde + terminal alkyne anion in acid = alcoholarrow_forward
- Draw an alkyl halide and choose the best reaction conditions that would undergo an SN2 reaction to yield this product shown below.arrow_forwardGive two possible [1,2]-rearrangement products where an alkyl group migrates in the following compound. Motivate also which of the two products will be formed preferentiallyarrow_forward4) One of the diastereomeric cyclohexyl bromide starting materials below will readily undergo an E2 reaction while the other one will not. Fill in the requested information in boxes and lines indicated including the structure of the alkene product that does undergo an E2 reaction (use scratch paper first please). draw the expected major alkene product draw lowest E chair conformations Me. Ме Me EtO: Na Me "Ме :Br: Ме. Ме Me Me" Ме EtO: Na :Br: Required arrangement of H and LG (Br) for E2? (no acronyms). What is the rate law for and E2? On the template at left, draw all o & o* orbitals involved in the allowed E2 process.arrow_forward
- In an E2 mediated elimination reaction of an alkyl halide (H-X) using NaOCH3 as base, which of the following statement is not true? O The reactivity order for alkyl halides (RX) is tertiary secondary> primary. O The rate of reaction = k2 (alkyl halide] [NaOCH₂] O The reaction occurs in a single step. O The rate is independent of the leaving group.arrow_forwardDraw the starting alkyne that would lead to the following two products under these conditions.arrow_forwardIn a Wittig reaction, a ketone or aldehyde reacts as an electrophile with a nucleophile called a Wittig reagent (or phosphonium ylide) to produce an alkene. The Wittig reagent is commonly synthesized first in a two-step process beginning with an alkyl halide, then reacted with the carbonyl compound. In this problem, you'll explore the mechanism of a multi-step synthesis to make an alkene using the Wittig approach.arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning