The structures of two tertiary bicyclic chlorides (compoun statements is correct? CI

Which set of reagents would be appropriate to synthesize bromobenzene from benzene? 1. HNO3 in H2SO4; 2. H2Cr04 and heat 1. H2CrO4 and heat; 2. H2 Pd/C Br2 and FeBr3 1. CH3CH2CHCI and AICI3; 2. H204 and heat 4B12 and Fe Heat and Br2 Br2, HCI

For the reaction shown, select all suitable reagents: OH DMP CH₂Cl2 Na₂Cr₂O7, H₂SO4 H₂O PCC, CH₂Cl₂ CrO₂, H₂O, H₂CC(O)CH₂ DMSO, C₂O₂Cl₂ OH

HW.pdf oads/CH8%20HW.pdf 2 / 4 90% 3. Provide reagents for each of the following transformations: ... OH +

Identify the best reagents to complete the following reaction. Options are included.

Which of the following set of reagents would allow the chemical transformation shown? 1. Hg(OAc)2, H₂O; 2. NaBH4 1. OsO4; 2. NaHSO3 H₂O, H3O+ 1.03; 2. Zn 1. BH3; 2. H₂O2, NaOH, H₂O H3C OH ď CH3 CH 3

Select from the Table provided the reagent you would use to carry out each of the transformations below. Reagents Available а. КОН e. Hg(OAc)2, H20; then NaBH4 i. O3; then Zn, H3O* b. KMNO4, H3O* f. Os04; then NaHSO3 j. H2SO4 с. На, Pd g. BH3; then H,O2, "OH k. Cl2 d. CH212, Zn(Cu) h. CHCI3, КОН I. CI CO,H , then H30* HO ? ? OH H3C- H3C- H3C H3C

The structures of two tertiary bicyclic chlorides (compounds 1 and 2) are shown below. Which of the following statements is correct?

Galantamine, a natural product produced by the amaryllis family of flowering plants, has been used in the early treatment of Alzheimer's disease. In a synthesis of galantamine and related compounds (J. Org. Chem. 2015, 80, 1952-1956), compound 1 was converted into compound 2. Propose an efficient synthesis for the conversion of 1 to 2 A. NaOH MeO D. DMP or PCC G. HBr MeO B. H₂SO4, H₂O, HgSO4 E. Na2Cr₂O7, H₂SO4, H₂O H. 1) O3; 2) DMS H 2 The conversion of 1 to 2 can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. C. 1) BH3-THF; 2) H₂O2, NaOH F.HBr, ROOR I. TsCl, py Meo I₁, N Me Galanthamine OH

2) a. In the synthesis of Camptothecin, a potent antitumor and antileukemic agent isolated from the stem wood of a Chinese Nyssaceae tree, the following conversion is made. Come up with a reasonable mechanism for the following conversion using proper electron pushing and reasonable chemistry. CHO NH₂ of me N-CO,Et -CO₂Et NaOH, aq EtOH R₂NH b. The following reaction is an example of Mannich reaction. Please write a reasonable mechanism. HiH N-CO,Et -CO,H H R₂N H