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10. What reagent(s) would you use to conduct the following transformation? (2 points) Br2 Ph a....
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s) would accomplish the following? Show mechanism. R-CH2-NH2 R-C-NH2 3. What would result from the reactions shown below? Hsco-s-OCH3 large excess) NaOH нон H,0 но ОН "ОН (a and B) 4. Predict the major product of the following reaction. CHNNH 3 equivalents) но CHCH2OH Heat он CH2OH Draw the Haworth projection for chair conformation of a-D-Glucopyranose (shown below) CH2OH HO H OH OH
Thinking about oxidizing and reducing agents, what is the product for letter the "H" in this reaction? LiAlH4 н НО НО ОН он НО Which of the following is the correct order of reactivity, from fastest to slowest, toward acid- catalyzed dehydration alcohols? I. OH H,C CH₃ II. ÇHz (A) I>II> III (B) I>II>DI (C) II >> (D) III >I>11 (E) III >II>I ОН H_C CH, III. HC H, OH Choose the incorrect reaction in this scheme. (C) (B) (D)...
12) What reagent(s) are used to make the following transformation? ery A) Br2, H20 B) O3, then (CH3)2S C) BH3-THF, then H2O2, NaOH| D) m-CPBA E) KOt-Bu
What is the best reagent(s) for the following transformation? 0 ? OH CI DIBAL H2SO4/SO3 O H2SO4/HNO3 O SOCI
What is the best reagent(s) to accomplish the following reaction? ? + i PCC O (CH3)2C=CH2 1.03 2. DMS Ph3P=C(CH3)2 Which reaction sequence would accomplish the following transformation? Br OS NO2 O 1. Br2 2. H2SO4, SO3 1. H2SO4, HNO3 2. Br2, FeBr3 O 1. Br2, FeBr3 2. H2SO4, HNO3 O 1. H2SO4, HNO3 2. Br2
6. What would be the best choice of reagent to perform the following transformation? a) HCI then NaOH, H2O b) NaOH, H20 c) t-BuOK, t-BuOH H3C OH d) H2SO4 or H3PO4 e) All of the above f) Only A and D g) Only B and C 7. What is the major organic product obtained from the following sequenced of reactions? a) (S)-3-iodocyclopentene b) (R)-3-iodocyclopentene ОН c) 3-iodocyclopentene Tsci pyridine Nal d) (S)-2-iodocyclopentene DMSO e) All of the above f) None...
Problem #2 Show how you would accomplish the following transformation. You may use any reagent necessary. Oh oh
organic chemistry 1.1 pt) Which reagent would you use to effect the following transformation of a diol into a keto acid? ОН Reagent? CH,CHCH,CH,CH,OH - CH,CCH,CH,сон a) Jones(H2Cr2O7) b) Tollens c) mCPBA d) Collins(PCC) e) LiAlH4 2.(2 pts) Circle the TWO compounds that yield a stable Grignard reagent when treated with magnesium in ether. Br CHÚC HỌC=CH- CH,OH HN 3.(2 pts each) Reactions. Complete each reaction shown here. HỌC=CH- + HC=CH- -CH OH он 1. CH CH MgBrCH,CH,CH=CHCCH2CH3 2.H2O Сн,...
please help with these ASAP, thanks! What is the best reagent(s) for the following transformation? OH O NaOH, heat CH3CH2OH, H2S04 OmCPBA O 1. LiAlH4 2. H30+ What is the major product in the following reaction? 1. DIBAL 2. H20 H OH o" ОН What is the major product in the following reaction? LIAIHA 2 H20 "NH2 NH2
12. What reagent(s) is/are necessary to produce meso-butane-2,3 diol from trans-2-butene? 13. Which of the following is the reverse of halogen abstraction in a radical mechanism? 12. What reagent(s) is/are necessary to produce meso-butane-2,3idiol from trans-2- butene? What agents) is/are necessary to produce meso butane-2,3-diol from trans-2- a. 1) Hg(OAc)2, H2O; 2) NaBHA b. Oso. (catalytic), NMO c. H2SO4, H, 0 0 :2) Na d. 1) BHTHE 2) H,O,, NaOH e. 1) MCPBA; 2) H,O' THE HO 13. Which of...