a)
Interpretation:
The flaw in the synthetic scheme given is to be identified.
Concept introduction:
To identify:
The flaw in the synthetic scheme given.
b)
Interpretation:
The flaw in the synthetic scheme given is to be identified.
Concept introduction:
Carboxylic acids are reduced to alcohols and not to
To identify:
The flaw in the synthetic scheme given.
c)
Interpretation:
The flaw in the synthetic scheme given is to be identified.
Concept introduction:
Alkyl halides when treated with cyanides yield nitriles which upon hydrolysis give carboxylic acids. Tertiary alcohols get dehydrate to yield
To identify:
The flaw in the synthetic scheme given.
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Chapter 20 Solutions
Organic Chemistry
- Draw the structural formula for all the alkenes with the indicated molecular formula that, without undergoing a rearrangement, produce the compound shown as a major product. Br. C7H12 Br2/H₂O OH . You do not have to consider stereochemistry. • If more than one structure fits the description, draw them all. ⚫ Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate structures with + signs from the drop-down menu. 0 ? F ChemDoodle Previous Nextarrow_forwardDraw the structure(s) of the major organic product(s) of the following reaction. 1 eq. Br2 Aqueous K2CO3 0 • Use the wedge/hash bond tools to indicate stereochemistry where it exists. If the reaction produces a racemic mixture, draw both stereoisomers. If no reaction occurs, draw the organic starting material. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu. • 424 On []arrow_forwardWhat are the reagents used to convert 2-butyne to C4H8? What are the products when that C4H8 is mixed with OsO4, and H2O (the formula will be C4H10O2 racemic)? What is the product when C4H8 is mixed with RCO3H, and H2O (the formula will be C4H10O2 meso)?arrow_forward
- What reagent/reagents is/are necessary to transform the starting molecule into the desired product? ?. CH,CH•CHỔH CH3CHarrow_forwardTRUE OR FALSE. Write T if True, F if False. 1. In numbering the longest chain, the first substituent should have the higher number. 2. Alphabetize the names of the substituents, ignoring all prefixes except iso, as in isopropyl and isobutyl. 3. A number is always designated to indicate the location of a single substituent in cyclohexane. 4. For rings with two different substituents, number the ring to assign the lower number to the substituents alphabetically. 5. In naming alkenes, the longest carbon chain is always used as the parent name. 6. Toluene is an IUPAC name. 7. A benzyl group differs from a phenyl group only by an extra CH2 group. 8. Naming of branched molecules depend on the type of C atom removed from the parent chain. 9. An unbranched alkane with a chain of 50 carbons is called pentacontane. 10. Heterocyclic amines still…arrow_forwardDraw the structure for an alkene that gives the following reaction product. 7 CH2l2, Zn/Cu Ignore alkene stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. / [F ?arrow_forward
- This is from an E1/E2 assignment. Complete as such.arrow_forwardWhich of the following reactions is a substitution reaction? C6H6 + Cl2 → C6H5Cl + HCl CH2=CH2 + Cl2 → CH2ClCH2Cl CH2=CH2 + HCl → CH3CH2Cl CH2=CH2 + H2 → CH3CH3 HCCH + 2Cl2 → CHCl2CHCl2arrow_forwardO 1. ● 2. H 3. H3O+, heat 4. 5. H3O+, heat , AICI3 NaOH OEt NaOEt Work out the synthesis on a separate sheet of paper, and then draw the structure of the final organic product(s). • You do not have to consider stereochemistry. • If an ortho/para mixture is formed, draw both isomers. Do not draw organic or inorganic by-products. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu.arrow_forward
- Draw a structural formula(s) for the major organic product(s) of the following reaction. Br formic acid + НСОН CH3CHCH2CH2CH3 Renantiomer • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • You do not have to explicitly draw H atoms. • If a group is achiral, do not use wedged or hashed bonds on it. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu.arrow_forwardRead the IUPAC nomenclature of the following compounds and check the column where it belongs. note: I need the answer immediately. I will send a good rate right away as well.arrow_forwardDraw structural formulas for all of the enol forms of the carbonyl compound below. Он HO, • You do not have to consider stereochemistry. • Consider stereoisomeric enols as a single enol form. • In the case of dicarbonyl compounds, do not include stuctures in which both carbonyl groups are present as enols. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu.arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning