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- b. The following reaction occurs in pure sulfuric acid. Provide a reasonable mechanism oto C-OH H₂5oy LaatWhat is the major organic product obtained from the following sequence of reactions? O C B Br A (CH3)3COK CH3CO3H H₂O H₂SO4 None of these A OH OH B D ||||OH OH OH OH5. What is the product, A, that would be obtained from the following reaction sequence? CH₂ - CH₂ A) I B) II C) III D) IV E) V -CECH CH3 CH₂ Mg Br -C=CCH₂CH3 O -C=CCH₂CH₂OH ||| -CECCH₂ CH₂ OCH IV -CECCH₂ CH₂ OCH₂ CH3 H30+ || CH3 I -C=COCHCH₂CH3 A
- ONZ IS ON Determine which substitution mechanism occurs and draw the products, including stereochemistry. + -OCH3 DMSO Br H + CH3OH Br CH,CH, CH3o OH 3) Please draw the structures that correspond to omitted structure for each of the following synthetic sequences. HO Cro3 Cl (d) Cro3 (a) Product `OH Product OH H30 H30 HO PCC Cl PCC (b) Product (e) `OH Product "OH HO РСС NABH4 (f) Starting Material Product 'OH ELOHHO HO Ме— „Me `NH2 H2 F G (d) What type of mechanism is involved in this reaction? Explain the abbreviation used. (e) Would Me-F react with F in the same way? Explain. (f) Why does the N react with Me-l in preference to the O or any of the C atoms?
- 3) Complete the following reactions show stereochemistry मैं OH 1. PBrs OH OH E 1. Ts-Cl 2. 1. LIAIH 2.H₂O* show stereochemistryQ1\ Complete the following reaction by appropriate compounds? H* -C-OH + 0-CH3 ? -NO2 ? -CIIdentify the major product of the following reaction sequence. 1) [H*], H₂NNH2, (-H₂O) 2) KOH/H₂O, heat HO₂C HO₂C HO CO,H OH OH There is no reaction under these conditions or the correct product is not listed here.
- 4. Provide the mechanism for this reaction: H3C O cat H* (CH,CH,)NH -Z N CH3What starting materials are needed to synthesize each azo compounds O2N H2N- -N=N- CI но -N=N- -CH3 I0 Fill in the reagent or starting material needed or product in each reaction a) CgH;CH;CH;CH2Br CGH;CH;CH;CH¿NH2 b) C,H;CH;CH;CH2CONH, CH,CH;CH;CH;NH2 HCI P-CH;C,H4NH2 NANO2 P-CH;C,H&NH2 HCI/H;0 P-CH3C,H4NH2 CH;COCIWhat is the structure for the final product, (E), in the reaction sequence shown? 4 -OH OH 1 OI O II O III IV OV PBr3 A Ma ether OH B H ||| H H C IV H₂O D V PCC CH₂Cl2 E WANNAATED NEA