9. 21.29(SYN) Show how to carry out each of the following syntheses. Hint: You may need to useselective reagents or protecting groups.(a)HO(e)"8.2.3?HO. Brمرد مرد ممOH?,OH(b)(0)BrOH??لاOH

The question is based on the concept of organic synthesis.We need to synthesize the product using…

Answered: 9.21.29 (SYN) Show how to carry out…

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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(4) Provide the reagents necessary to carry out the following synthesis. + enantiomer (A) (1) (i) BH3, (ii) H₂O2, NaOH; (2) NaOEt JATOT (B) (1) (i) BH3, (ii) H₂O2, NaOH; (2) TsCl, pyridine; (3) KOC(CH3)3 (C) (1) H3O+, (2) TsCl, pyridine, (3) KOC(CH3)3 (D) (1) HBr (no peroxides); (2) NaOEt
Draw the product of each of the following reactions. (a) (b) NaN3 KCN ? H20 ? HOCH,CH,OH (c) (d) HCN 1. LIAIH4 ? HOCH,CH,OH ? 2. Hао (e) (f) CH;OH CH;ONa ? H,SO4 ? CH;OH (g) (Һ) CeH,CH,NH, ? 1. CH3LI ? 2. H,00 CH;OH
CH2023 Q3 (a)
G.5.
7.69 Explain why the following reaction yields the Hofmann product exclusively (no Zaitsev product at all) even though the base is not steri- cally hindered: Br ... NaOEt ELOH 7.70 Draw a plausible mechanism for each of the following transfor- mations: ОН conc. H2SO4 heat (a) conc. H2SO4 heat (b) 'OH ELOH (c) NaOEt (d) EŁOH
2. (2 E) Prof. Amos Smith has built a career utilizing dithianes (Acc. Chem. Res. 2004, 6, 365-377) and their umpolung capabilities. An early example is the synthesis of bertyadionol, and abbreviated structures for one of the steps in the synthesis are shown below. Draw the compound which is the crucial umpolung intermediate, and label the positions acting as a donor and acceptor which are utilized in the reaction below. S. S R 1. BuLi 2. O HO S S

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9.21.29 (SYN) Show how to carry out each of the following syntheses. Hint: You may need to use selective reagents or protecting groups. ید کہا اور گار" من" (a) HO Br ? HO OH (b) (0) Br OH ? ?