Concept explainers
(a)
Interpretation:
Synthesis of the given compound beginning with pentan-2-one is to be suggested.
Concept introduction:
The carbon–carbon bond-forming reaction results in heteroatoms having a specific relative positioning along the carbon backbone. If the heteroatoms in a target have 1, 2-, 1, 3-, 1, 4-, or 1, 5- relative positioning, and the synthesis calls for a carbon–carbon bond-forming reaction, then consider using a corresponding reaction from Table 19-1. In a retrosynthetic analysis, therefore, apply a transform that takes our target molecule back to reactants. Disconnect the appropriate C-C bond to take back to the reactants, and from retrosynthetic analysis, we can draw the synthesis of the target molecule.
(b)
Interpretation:
Synthesis of the given compound beginning with pentan-2-one is to be suggested.
Concept introduction:
The carbon–carbon bond-forming reaction results in heteroatoms having a specific relative positioning along the carbon backbone. If the heteroatoms in a target have 1, 2-, 1, 3-, 1, 4-, or 1, 5- relative positioning and the synthesis calls for a carbon–carbon bond-forming reaction, then consider using a corresponding reaction from Table 19-1. In a retrosynthetic analysis, therefore, apply a transform that takes our target molecule back to reactants. Disconnect the appropriate C-C bond to take back to reactants, and from the retrosynthetic analysis, we can draw the synthesis of the target molecule.
(c)
Interpretation:
Synthesis of the given compound beginning with pentan-2-one is to be suggested.
Concept introduction:
The carbon–carbon bond-forming reaction results in heteroatoms having a specific relative positioning along the carbon backbone. If the heteroatoms in a target have 1, 2-, 1, 3-, 1, 4-, or 1, 5- relative positioning and the synthesis calls for a carbon–carbon bond-forming reaction, then consider using a corresponding reaction from Table 19-1. In a retrosynthetic analysis, therefore, apply a transform that takes our target molecule back to reactants. Disconnect the appropriate C-C bond to take back to reactants. And from the retrosynthetic analysis we can draw the synthesis of the target molecule.
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Chapter 19 Solutions
ORGANIC CHEMISTRY SMARTWORK5 - ACCESS
- (SYN) Show how to synthesize each of these alcohols from a ketone or aldehyde that has the same number of carbons as the alcohol. (a) OH (b) HO (c) OHarrow_forwardWhich reaction in each of the following pairs would you expect to be faster? (i) Write both reactions using bond-line presentation and, using arrows providing a mechanistic explanation of the course of the reaction, draw either a transition state or an intermediate product of the reaction; (ii) Shortly (one sentence) explain your reasoning why one of the two reactions will be faster.arrow_forwardAnswer question below. Please explain your process in detail.arrow_forward
- Problem: What product(s) would you expect from sulfonation of the following compounds? (a) Nitrobenzene (b) Bromobenzene (c) Toluene (d) Benzoic acid (e) Benzonitrilearrow_forwardPredict the products for the following sequence of reactions.arrow_forwardI’m having hard time predicting this product of reactions can you please help?arrow_forward
- Problem: (a) ldentify the synthetic trap in the following reaction and explain why the reaction would not work as intended. (b) Propose an alternate route to form the same product. OH 1. NaH 2. Brarrow_forwardDetermine whether each of the following compounds could be removed from an organic solvent by washing with water, aqueous HCI, or aqueous NaOH. Your answer could be that any, all, some, or none of the washes work. Briefly explain your answer. IF removal of the compound requires the compound to first react, show the mechanism and product of the reaction. THINK CAREFULLY before answering. (Problem continues onto next page) HO OH LOH изонarrow_forward(SYN) Show how to synthesize each of the following compounds from an alkyl halide and a ketone or aldehyde. (a) (b) NO2 (c)arrow_forward
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