105.The major products A and B in the following reaction sequence are(i) t-BuOK(2.2 equiv.)Mel(2.5 equival.), THFMeO(ii) NaBH4, MeOH(iii) AcCl, pyridine(iv) CF3CO₂H, Et3SiHCH₂Cl2(A)Li, t-BuOHliq. NH3, THF, -40°C(B)

Below the transformation are given in correct sequence

The major products A and B in the following reaction sequence are O MeO (i) t-BuOK(2.2 equiv.) Mel(2.5 equival.), THF (ii) NaBH4, MeOH (iii) AcCl, pyridine (iv) CF3CO₂H, Et3 SiH Li, t-BuOH liq. NH3, THF, -40°C (A). (B)

The major products A and B in the following reaction sequence are O MeO (i) t-BuOK(2.2 equiv.) Mel(2.5 equival.), THF (ii) NaBH4, MeOH (iii) AcCl, pyridine (iv) CF3CO₂H, Et3 SiH Li, t-BuOH liq. NH3, THF, -40°C (A). (B)

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.9QAP

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Concept explainers

NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.

Question

105.
The major products A and B in the following reaction sequence are
(i) t-BuOK(2.2 equiv.)
Mel(2.5 equival.), THF
MeO
(ii) NaBH4, MeOH
(iii) AcCl, pyridine
(iv) CF3CO₂H, Et3SiH
CH₂Cl2
(A)
Li, t-BuOH
liq. NH3, THF, -40°C
(B)

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