Concept explainers
Videos
Draw structures of the following derivatives.
- a. the 2,4-dinitrophenylhydrazone of benzaldehyde
- b. the semicarbazone of cyclobutanone
- c. cyclopropanone oxime
- d. the ethylene acetal of hexan-3-one
- e. acetaldehyde dimethyl acetal
- f. the methyl hemiacetal of formaldehyde
- g. the (E) isomer of the ethyl imine of propiophenone
- h. the hemiacetal form of 5-hydroxypentanal
(a)
Interpretation:
The structure of the given derivative is to be drawn.
Concept introduction:
Ketones and aldehydes show different types of reactions which results to form many different products. The nucleophilic addition reactions are the common reactions, which form products like imines, diols, alcohols, cyanohydrins, and alkenes.
Answer to Problem 18.37SP
The structure of the given derivative is shown in Figure 1.
Explanation of Solution
The given derivative is 2,4-dinitrophenylhydrazone of benzaldehyde.
The 2,4-dinitrophenylhydrazine is treated with benzaldehyde to form a 2,4-dinitrophenylhydrazone derivative.
The structure of 2,4-dinitrophenylhydrazone of benzaldehyde is given as,
Figure 1
(b)
Interpretation:
The structure of the given derivative is to be drawn.
Concept introduction:
Ketones and aldehydes show different types of reactions which results to form many different products. The nucleophilic addition reactions are the common reactions, which form products like imines, diols, alcohols, cyanohydrins, and alkenes.
Answer to Problem 18.37SP
The structure of the given derivative is shown in Figure 2.
Explanation of Solution
The given derivative is semicarbazone of cyclobutanone.
The cyclobutanone is treated with semicarbazide to form a semicarbazone derivative.
The structure of semicarbazone of cyclobutanone is given as,
Figure 2
(c)
Interpretation:
The structure of the given derivative is to be drawn.
Concept introduction:
Ketones and aldehydes show different types of reactions which results to form many different products. The nucleophilic addition reactions are the common reactions, which form products like imines, diols, alcohols, cyanohydrins, and alkenes.
Answer to Problem 18.37SP
The structure of the given derivative is shown in Figure 3.
Explanation of Solution
The given derivative is cyclopropanone oxime.
The cyclopropanone is treated with hydroxylamine to form an oxime.
The structure of cyclopropanone oxime is given as,
Figure 3
(d)
Interpretation:
The structure of the given derivative is to be drawn.
Concept introduction:
Ketones and aldehydes show different types of reactions which results to form many different products. The nucleophilic addition reactions are the common reactions, which form products like imines, diols, alcohols, cyanohydrins, and alkenes.
Answer to Problem 18.37SP
The structure of the given derivative is shown in Figure 4.
Explanation of Solution
The given derivative is ethylene acetal of hexan-3-one.
The ethylene glycol is treated with hexan-3-one to form ethylene acetal of hexan-3-one.
The structure of ethylene acetal of hexan-3-one is given as,
Figure 4
(e)
Interpretation:
The structure of the given derivative is to be drawn.
Concept introduction:
Ketones and aldehydes show different types of reactions which results to form many different products. The nucleophilic addition reactions are the common reactions, which form products like imines, diols, alcohols, cyanohydrins, and alkenes.
Answer to Problem 18.37SP
The structure of the given derivative is shown in Figure 5.
Explanation of Solution
The given derivative is acetaldehyde dimethyl acetal.
The acetaldehyde is treated with two moles of ethyl alcohol to form acetaldehyde dimethyl acetal.
The structure of acetaldehyde dimethyl acetal is given as,
Figure 5
(f)
Interpretation:
The structure of the given derivative is to be drawn.
Concept introduction:
Ketones and aldehydes show different types of reactions which results to form many different products. The nucleophilic addition reactions are the common reactions, which form products like imines, diols, alcohols, cyanohydrins, and alkenes.
Answer to Problem 18.37SP
The structure of the given derivative is shown in Figure 6.
Explanation of Solution
The given derivative is methyl hemiacetal of formaldehyde.
The structure of hemiacetal of formaldehyde is given as,
Figure 6
(g)
Interpretation:
The structure of the given derivative is to be drawn.
Concept introduction:
Ketones and aldehydes show different types of reactions which results to form many different products. The nucleophilic addition reactions are the common reactions, which form products like imines, diols, alcohols, cyanohydrins, and alkenes.
Answer to Problem 18.37SP
The structure of the given derivative is shown in Figure 7.
Explanation of Solution
The given derivative is (E)-isomer of the ethyl imine of propiophenone.
The propiophenone is treated with ethyl amine to form an ethyl imine derivative.
The structure of (E)-isomer of the ethyl imine of propiophenone is given as,
Figure 7
(h)
Interpretation:
The structure of the given derivative is to be drawn.
Concept introduction:
Ketones and aldehydes show different types of reactions which results to form many different products. The nucleophilic addition reactions are the common reactions, which form products like imines, diols, alcohols, cyanohydrins, and alkenes.
Answer to Problem 18.37SP
The structure of the given derivative is shown in Figure 8.
Explanation of Solution
The given derivative is hemiacetal of 5-hydroxypentanal.
The structure of hemiacetal of 5-hydroxypentanal is given as,
Figure 8
Want to see more full solutions like this?
Chapter 18 Solutions
Organic Chemistry (9th Edition)
- Predict the major products of the following organic reaction: O O + A ? Some important notes: • Draw the major product, or products, of the reaction in the drawing area below. • If there aren't any products, because no reaction will take place, check the box below the drawing area instead. • Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are enantiomers. Explanation Check Click and drag to start drawing a structure. eserved. Terms of Use | Privacy Center >arrow_forward(EXM 2, PRBLM 3) Here is this problem, can you explain it to me and show how its done. Thank you I need to see the work for like prbl solving.arrow_forwardcan someone draw out the reaction mechanism for this reaction showing all bonds, intermediates and side products Comment on the general features of the 1H-NMR spectrum of isoamyl ester provided belowarrow_forward
- What would be the best choices for the missing reagents 1 and 3 in this synthesis? 1. PPh3 3 2. n-BuLi • Draw the missing reagents in the drawing area below. You can draw them in any arrangement you like. • Do not draw the missing reagent 2. If you draw 1 correctly, we'll know what it is. • Note: if one of your reagents needs to contain a halogen, use bromine. Click and drag to start drawing a structure.arrow_forwardIdentify the missing organic reactants in the following reaction: X + Y H+ two steps Note: This chemical equation only focuses on the important organic molecules in the reaction. Additional inorganic or small-molecule reactants or products (like H2O) are not shown. In the drawing area below, draw the skeletal ("line") structures of the missing organic reactants X and Y. You may draw the structures in any arrangement that you like, so long as they aren't touching. Click and drag to start drawing a structure. Х :arrow_forwardDraw the mechanism of friedel-crafts acylation using acetyl chloride of m-Xylenearrow_forward
- Don't used hand raiting and don't used Ai solution and correct answerarrow_forwardH R Part: 1/2 :CI: is a/an electrophile Part 2 of 2 Draw the skeletal structure of the product(s) for the Lewis acid-base reaction. Include lone pairs and formal charges (if applicable) on the structures. 4-7: H ö- H Skip Part Check X :C1: $ % L Fi Click and drag to start drawing a structure. MacBook Pro & ㅁ x G 0: P Add or increase positive formal cha Save For Later Submit ©2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Centearrow_forwardDraw the friedel-crafts acylation mechanism of m-Xylenearrow_forward
ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
ChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill Education
Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill Education
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Elementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY