Acetal can be used as a protecting group in synthesis. In which of the following syntheses islare acetal formation(s) REQUIRED as a protecting group for the product to be formed? Note:Some of the following are multisteps syntheses COOH COOH I. II. OCH3 HO, Dess-Martin reagent II. IV. OCH3 O IV O All of them O I,IV O II,II O II,IV

Acetal can be used as a protecting group in synthesis. In which of the following syntheses islare acetal formation(s) REQUIRED as a protecting group for the product to be formed? Note:Some of the following are multisteps syntheses COOH COOH I. II. OCH3 HO, Dess-Martin reagent II. IV. OCH3 O IV O All of them O I,IV O II,II O II,IV

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...

See similar textbooks

Similar questions

Predict the major product of the reaction. starting material O А. B. D. Е. OH OH 1. BH3 2. NaOH, H. H2O ОН OH H OH enol intermediate product
Rank the reactivity of the following alkyl halides to undergo substitution reactions.
1500 HAVENUMB ER -il . Design the following syntheses. OH Br
Classify each of the following organic reactions. reaction Hör H₂O 1) Hg(OAc)₂, H₂O aveau Br OH OH type of reaction (check all that apply) Odihydroxylation addition hydrogenation Dhalogenation halohydrin formation. subtraction halogenation hydrogenation addition halohydrin formation inhalation Odihydroxylation addition hydrogenation oxyhydration halogenation
7) Provide the structure of the major organic product in the following reaction. HOT 7a) 7b) 7c) CH3 H3CO. H3CO. H3CO. CI. H. CN X· X- NC H 7d) H3CO CI CO₂CH3 A A A
6. Provide the structure for the major product in the following reactions. b. P f. OH g. Lia * Oia ملی CI 1. SOCI₂, pyr. 2. to Br 2 1. LIAIH4 (xs) 2. H₂O 1. LIAI(OR) 3H 2. H₂O 2. NH₂ Et₂CuLi 1. EtMgBr (xs) 2. H₂O 1. Mg 2. CO₂ 3. H* 4. SOCI₂, pyr 1. [H], NaBH3CN, EtNH₂ CI pyridine
What is the major organic product obtained from the following reaction? A, B, C, or D?
5. Draw the organic products formed in the following reactions. az vo 2169 snol mo 40-60 g a. b. N [1] LIAIH4 [2] H₂O odior hobnod noitibbs, ogrob [1] Mg Br [2] Å quore [3] H3O+ C. O OH Isprie [1] TBDMS-Cl, imidazole [2] CH3Li [3] H₂O [Indicate stereochemistry.] quong griynol is dit bruggmos lynddisa vesi tuontiv d. of enousNaBH42 OCH3 CH3OH
1c. What is the nucleophile in the following reaction? .Br CH;CO0 Na LO OCCH3 NaBr ld. What is the electrophile in the following reaction? Br CH;COO Na L0OCCH3 NaBr +
1. Write the correck IUPAC nemes Far the Foilawing organic comPounds: Br CH3 H3C 8. Assign E an or Z configuration bi CI 2. CidssiFy the Following reagents cs either nucleaphiles or e lectraph:les: Zn, CH3NH2, HS, OHa, CH3COOH, HoSO 3. Whet are the products obtained From the addition of HBr to each of the falbuing compounds? CH3 a) + HBr > CHo +HBr- 2.
HO 2. Complete the following reactions by filling in any missing reactants, reagents or products. a) Zn(Hg) conc. HCI b) OH olamee hoosla bas im 0.011o om me Im 0.01 1o smulov c) awiboa lo omnl C sid gnien) to omi 010 CHO. РСС CH,Cl,
24. Which product is formed by the reaction ? A) | B) || C) ||| D) IV Br ОН NaH Br ... هستم IV