2. For the reactions below, fill in the necessary reagent over the arrow. (4 reactions, 8...
2. Fill in the boxes with the reactants for the following sequence (A -D) of reactions. (16 points) A B Br MgBr 4 D HO OH 2. 4 3. Provide the common names for the following dicarboxyacids. (8 points) NH2O HO "OH HO ОН
Predict the product from the following sequence (the reagent over the first arrow from the left is hydroxide; the minus charge on OH may not be showing clearly): H ОН H3O+ NOBH CH3OH ? H H heat (-HO) Но, OH OH JI III 1 Но, OH OH IV
choose the best reagent for carrying out the follwoing
reactions from the list below. place the letter of the reagent(s)
in the box over the reaction arrow, use only one letter per
box.
question tompieton Status A) CH3Br D) CH3MgBr in THF, then H3O G) Os04 and peroxide, base B) HBr E) NaBH4 in CH3OH H) HIO4 K) CH3OH C) CHyLi in diethyl ether F) LiAlHs, then H O ID PCC in CH2Cl2 solvent Concentrated H2SO4, heat Mand H2SOs catalyst...
3) (4 points each) For each of the reactions given below, provide the reagent that should produce the transformation indicated. In each case, more than one reagent is required for the transformation. ОН N(CH3)2 LOC₂H5 ОН HO
Part I – Reactions Draw the expected major product(s) or
required reagent(s) for each of the following reactions.
Part 1 - Reactions (20 marks) Draw the expected major product(s) or required reagent(s) for each of the following reactions. Question Answer 1. MgBr 1. CH3CN 2. H30* 2. OH HT ОН 3. Br PPh3 1. BULI 2. CH20 CI (1 mole) ОН 5. 1. LDA ? (directed aldol condensation) 2. CH3CHO 6. HO H (cat) OH ? (cyclic anhydride) . (-H20)...
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,...
3. Provide the reagents necessary to carry out the following reactions or provide the starting materials or major products of the following reactions, Indicate racemic mixtures where necessary. (39 pts) 1)AIC осн, a. Ph 2) PaC H Н,со 45 1) HS0, HNO b. 2) Pd/c. H Н,со он c. Ph HO, он
Question 2 List the reagent(s) necessary for the transformation indicated for each reaction. ? a) H OH ? 영 b) -NH2 ОН ? ne ? d) Н 2
Propose mechanisms consistent with the following reactions 8-48 H.SO н.о Br HBr ъ) Он (а) ROOR Br СHBE, Вг Br Вг HЕr (d) NaOH осH CH, Cl Вr НС Br Br CH CH OH Cн CH, Он Н н'. Н,о Он Н "сн CH, CH,CH CH,CH Он н' (g) CH Oн осн, н CH—С-С (h) 2 н Н Н Н
Propose mechanisms consistent with the following reactions 8-48 H.SO н.о Br HBr ъ) Он (а) ROOR Br СHBE, Вг Br...
13. (15) For each a For each of the following reactions, fill in the missing reagents from the list provided for Wormation of the product shown. Sequential steps, if necessary. should be numbered. Reagents can be used more than once. Reagent List: H2 C H2O2 = NaH PBT OCI NaBH. Pd/C NaOH BH2O HO HgCl2 Pd/Caco, Br2 HBr H2O (HOAC) (MCPBA) (pyridine) (Msch) por -Cl menos de plaqueta don -он i н он