35. Compounds A. and B. are closely related and have formulas of C₁0H₁2O and C₁1H140 respectively. Both show an IR absorption at 1710 cm-¹. Based on NMR of A. and B. provide structures for each a. -¹H NMR t S 2 11 10 Integrals 9 T m, (overlapped resonances) 5 8 00 7 6 5 ppm 4 3 2 T -N 2 T 3 1 0

35. Compounds A. and B. are closely related and have formulas of C₁0H₁2O and C₁1H140 respectively. Both show an IR absorption at 1710 cm-¹. Based on NMR of A. and B. provide structures for each a. -¹H NMR t S 2 11 10 Integrals 9 T m, (overlapped resonances) 5 8 00 7 6 5 ppm 4 3 2 T -N 2 T 3 1 0

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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determine the structures of the molecules with following spectra
1. Propose the structure of a compound that exhibits the following 'H NMR data: a. CsH10O 1.09 8 (6H, doublet) 2.128 (3H, singlet) 2.588 (1H, septet) b. CH2O 0.91 8 (3H, triplet) 1.198 (6H, singlet) 1.50 8 (2H, quartet) 2.24 ō (1H, singlet)
1. For each set of spectral data, propose an acceptable structure that is consistent with the data. a. MS: M+ m/z=71, IR: 3340, 2960, 2870 cm-1 , 13C NMR: 47.20 (CH2), 25.64 (CH2) ppm b. MS: M+ m/z= 102, IR: 2960, 2870 cm-1, 13C NMR: 72.73 (t), 23.20 (t), 10.80 (q) ppm c. MS: M+ m/z=74, IR: 3310, 2960, 2870 cm^-1, 13C NMR: 62.44 (down), 34.86 (down), 18.98 (down), 13.88 (up) ppm (DEPT-direction) d. MS: M+ m/z=92 (M:M+2=3:1), IR: 2960, 2870 cm^-1, 13C NMR: 67.29 (C), 34.46 (CH3) ppm e. MS:M+ m/z=70, IR: 3070, 2960, 2870, 1666 cm^-1, 13C NMR: 138.92 (t), 114.26 (d), 35.96 (t), 22.17 (t), 13.59 (q) ppm f. MS: M+ m/z= 72, IR: 2960, 2870 cm^-1, 13C NMR: 31.68 (t), 29.80 (d), 22.20 (q), 11.69 (q) ppm g. MS: M+ m/z= 84, IR: 2960, 2870, 1734 cm^-1, 13C NMR: 220.16 (C), 38.30 (CH2), 23.24 (CH2) ppm h. MS:M+ m/z= 138, (M:M+2=1:1), IR: ~3010(broad), 1715 cm^-1, 13C NMR: 173.61(s), 25.21(t) ppm i. MS:M+ m/z=88, IR: 2960, 2870, 1736cm^-1, 13C NMR: 170.95 (C), 60.34 (CH2), 20.98 (CH3), 14.23 (CH3)…
4. The 1H NMR spectrum shown below corresponds to one of the molecules A-D. Identify the molecule and then provide the complete IUPAC name for the molecule. Don't forget about stereochemistry. он ÕH ÕH B D 11 10 8 6 5 1 'H NMR: 3.35 (1H, m), 1.66 (1H, m), 1.36 (9H, m, overlapping signals), 0.91 (6H, d), 0.90 (3H, t)
9. Which compound would produce the given ¹H NMR spectrum below? 3 it A. ele 2 i B. ми PPM C. HO D. E.
A ¹H NMR spectrum of the molecule shown below was prepared in deuterated acetone. D₂O was added to the sample and then another spectrum was obtained. Identify the peak(s) that no longer appear in the spectrum. I CH3 OH HIII A) I B) II C) III D) I and II E) II and III
Identify the structures of each compound from the given data.
help me with part d please