11) Which reagent can be used to accomplish the transformation shown below? CH3CH2CH2COCH2CH2CH3 CH3CH2CHBCOCH2CH2CH3 (A) Br/OH...
Question 20 Propose suitable reagent(s) to accomplish the following transformation. HO OH Br Br
Question 19 Propose suitable reagent(s) to accomplish the following transformation. Br Br OH o
Which reagent or set of reagents will best accomplish this transformation? b OH (A) OsO (B) 1) Hg(OAc); /H:0 2) NaBH, I-BOOH (D) HOOH (C) 1) THF-BH, 2) H-02/OH/H,0 7 What is the product of this reaction? (A) W model Å Which best represents a step in the mechanism for " I- @ AR .-
Provide the missing reagent needed to accomplish the transformation shown. If regents need to be added in a specific order, indicate so. If a specific number of equivalents are required, indicate so. 12) Provide the missing reagent needed to accomplish the transformations shown. If reagents need to be added in a specific order, indicate so. If a specific number of equivalents are required, indicate so. (27 points) b) H+, H20 d) f) OCH2CH3 Br h) OH OH k)
20 5 pts Propose suitable reagent(s) to accomplish the following transformation. HO OH 1.0 Br Br HTML Editora B I VA - A - Ix E 1 1 1 x X, DE TT 12pt
5 pts Propose suitable reagent(s) to accomplish the following transformation. Br Br OH BI V A HTML Editor A - IX EX 1 1 XX, E V KOT 12pt I 0 words
22. Which reagent will accomplish the following transformation? OH CHCH3 .CCH3 A) NaOH B) CrO3, H2SO4 C) CH3MgBr D) NaBH4 E) H2, Pd
QUESTION 5 What reagents can best be used to accomplish the following transformation? OH 1. ВНз-THF 2. но-, Н202 NaOH, H2O н-, Н20 1. O3 2. (CH3)2S
OH OH B no Give the proper reagent (from the table below) that will carry out the transformation shown for each step. (Assume aqueous workup where needed.) 1. Cl2 / uv light 2. Br2 / uv light 3. Mg/Et20 4. Li metal/hexane 5. propanal 6. PBr3/THE 7. CrO3/THF 8. PCC / CH2Cl2 9. CH3CH2CH2MgCl 10. NaBH4 11. acetone 12. OH 13. H7H20 14. BH3 / ox 15. t.butoxide 16. PhMgBr Enter a number, 1 through 16, for each answer. Step...
18. Which sequence of reagents would be expected to accomplish the transformation of 1-butyne shown below? A) 1)H2O/H2SO4, HgSO4 cat.; B) 1)HBr C)1)H2, Lindlar catalyst; D) )HBr, peroxides; E) O 2) H2, Pt 2) H2, Pt; 2) BH3*THF; 2) NaOH; 2) H2O 3) NaOH 3) H202, NaOH 3) H2, Pt