Could you please help with these questions? Thank you! 48. What product is obtained from hydroboration-oxidation of 1-heptyne?OH(A)(B)49. What is the product of this reaction?(A)*****'OCH₂OH, H+*NO₂*****NO₂(B)OCH 3-OHNOH-7(A)(B)50. The 'H NMR spectrum of a compound shows the following signals:NO ₂(C)OCH 3- OHNO₂(D)(D)moonOH-OCH 3(C)8.0 ppm (doublet, 2H), 7.8 ppm (doublet, 2H), 5.5 ppm (singlet, 1H), 3.9 ppm (multiplet, 2H), 3.1 ppm (multiplet, IH), 3.0 ppm(multiplet, 2H), 1.2 ppm (doublet, 3H), 1.9 ppm (doublet, 3H). Which structure is consistent with this NMR data? Hint: pay specialattention to the NMR signals for the benzene ring hydrogens.TITLEOHOCH(D)

48.Hydroboration oxidation is a reaction in which an alkyne is converted to corresponding aldehyde…

Answered: 48. What product is obtained from…

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48. What product is obtained from hydroboration-oxidation of 1-heptyne? OH mto (A) (B) LOH

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter19: Aldehydes And Ketones: Nucleophilic Addition Reactions

Section19.SE: Something Extra

Problem 28VC

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Question

Could you please help with these questions? Thank you!

48. What product is obtained from hydroboration-oxidation of 1-heptyne?
OH
(A)
(B)
49. What is the product of this reaction?
(A)
*****
'O
CH₂OH, H+
*
NO₂
*****
NO₂
(B)
OCH 3
-OH
N
OH
-7
(A)
(B)
50. The 'H NMR spectrum of a compound shows the following signals:
NO ₂
(C)
OCH 3
- OH
NO₂
(D)
(D)
moon
OH
-OCH 3
(C)
8.0 ppm (doublet, 2H), 7.8 ppm (doublet, 2H), 5.5 ppm (singlet, 1H), 3.9 ppm (multiplet, 2H), 3.1 ppm (multiplet, IH), 3.0 ppm
(multiplet, 2H), 1.2 ppm (doublet, 3H), 1.9 ppm (doublet, 3H). Which structure is consistent with this NMR data? Hint: pay special
attention to the NMR signals for the benzene ring hydrogens.
TITLE
OH
OCH
(D)

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