Question: Compound B (C8H12O2) shows a strong carbonyl absorption in its IR spectrum. The broadband proton-decoupled 13C NMR spectrum of B has only three signals, at

Compound B (C8H12O2) shows a strong carbonyl absorption in its IR spectrum. The broadband proton-decoupled 13C NMR spectrum of B has only three signals, at δ 19 (CH3), 71 (C), and 216 (C). Propose a structure for B.

Step by Step Solution

★★★★★

3.35 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

That the 13 C spectrum of B contains only three signals indicates that ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

877-C-O-S (809).docx

120 KBs Word File

Students Have Also Explored These Related Organic Chemistry Questions!

3.IE Fitness company "Conan" wants to set-up a database for its members and trainers. One of the aims to record information about which members participated in which sessions and which trainers...

The mass spectrum of unknown compound A shows a molecular ion at m/z 116 and prominent peaks at m/z 87 and m/z 101. Its UV spectrum shows no maximum above 200 nm. The IR and NMR spectra of A follow....

Compound A (C9H18O) forms a phenylhydrazone, but it gives a negative Tollens' test. The IR spectrum of A has a strong band near 1710 cm-1. The broadband proton decoupled 13C NMR spectrum of A is...

(a) A compound U (C9H10O) gives a negative iodoform test. The IR spectrum of U shows a strong absorption peak at 1690 cm-1. The 1H NMR spectrum of U gives the following: Triplet...

Compound X (C 5 H 10 O) shows a strong IR absorption band near 1710 cm 1 . The broadband proton-decoupled 13 C NMR spectrum of X is shown in Fig. 2. Propose a structure for X. Fig. 2 220 C X, C5H100...

1. Propose a structure for the compound with the following formula that is consistent with the IR and 1H NMR data shown: C6H14O IR 1120cm1, strong, broad 6H triplet at 0.9 4H sextet at 1.5 4H triplet...

Given the following information, elucidate the structures of compounds A and B. Both compounds are soluble in dilute aqueous HCl, and both have the same molecular formula. The mass spectra of A and B...

(ii) Compoand (D) has mdecular formala C9H16O2. Which one of the following structures is consistent with the spectral data for Compound (D) shown below? (8,+5) IR(cm1):2950,1710 (strong) 'H NMR (12)...

Question 6 1 pts Figure 3-6 shows the IR spectrum of a compound with formula CaHsNO2. This compound has [ Select) of units of unsaturation. A reasonable structure would be [ Select) D Question 7 1...

D Question 6 1 pts Figure 3-6 shows the IR spectrum of a compound with formula CHNO2. This compound has Select) of units of unsaturation. A reasonable structure would be Select 1 D Question 7 1 pts...

Jestion 23 of 26 Two structures are shown. Identify the asymmetric carbons in each structure, classify as chiral or achiral, and identify the number of stereocenters. CI CH2 Hc H H3C compound A CH3...

Are T: P2(R)-P(R) the linear operator defined by T (p(x)) = p(x) + p'(x) and the bases B = {1, x, x} y B' {1,1+2, 1-} of P2 (R). [T]B. a) Determine b) Calculate the matrix P of change from base B to...

If you were to roll a die 600 times, how different from 100 could the observed frequencies for each face be before the results would become significantly different from equally likely at the 0.05...

Question 2 Compute the integral 0 2 c o s x d x 1 2 3 4 1 2 3 4

OPERATIONAL DATA Grooming: The Groomer can groom 5 dogs a day, 5 days a week Each grooming takes 1.5 labor hours Day Care: The Day Care can house 10 large dogs and 12 small dogs daily. Day Care is...

1. What is the maximum possible cost savings to Axil from engaging in acurrency swap with Bevel? 2. What is the maximum possible cost savings to Bevel from engaging in acurrency swap with Axil? Axil...

An investor chooses a portfolio that maximizes a mean-variance objective function. [Notation: ro: risk-free interest rate; : expected rate of return on asset j; o;: standard deviation of return on...

Sarasota offers an MP3 download (seven-single medley) as a premium for every 5 candy bar wrappers presented by customers together with $3.30. The candy bars are sold by the company to distributors...

List down at least 5 activities that requires the following Energy Systems - GLYCOLYTIC OXIDATIVE 1. 1. 2. 3. 4, 5. 2345 1234:5

Problem 1.50 Refer to the DNA damage data given in Table 1.7. (a) Compute the sample mean, sample variance, and sample standard deviation for the N1-THB-ADE levels for the exposed workers. (b)...

Identify the following nucleotide, and tell how it is used:

Amine bases in nucleic acids can react with alkylating agents in typical SN2 reactions. Look at the following electrostatic potential maps, and tell which is the better nucleophile, guanine or...

Human brain natriuretic peptide (BNP) is a small peptide of 32 amino acids used in the treatment of congestive heat failure. How many nitrogen bases are present in the DNA that codes for BNP?

need help on the 3 wrong ones For the just completed year, Hanna Company had net income of $53,000. Balances in the company's current asset and current liability accounts at the beginning and end of...

Chesapeake Yachting Gear is analyzing a proposed project. The company expects to sell 6,000 units, plus or minus 3 percent. The expected variable cost per unit is $11 and the expected fixed costs are...

When the Australian government issues government bonds during a tender, the cumulative aggregate/total demand by bidders is the following: Yield Total cumulative aggregate demand (in AUD million face...