Choose the correct reagents to complete the following synthesis problem. To preview image click here 1. Correct reagent(s) for I [ Select 1 2. Correct reagent(s) for II [Select] 3. Correct reagent(s) for III [Select ] Br- A. B or C B. KOtBu C. NaOMe || D. E or F E. NBS/hv F. Br₂/hv V ||| G. HBr Br H. HBr/ROOR 1. Br2
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- 19. Predict the product for the following reaction 20. Predict the product for the following reaction sequence. sequence. excess NH3 SOCI₂ 1. CH3CH₂MgBr 2. H3O+ _ ==>> A. B. C. D. IV E. OH Na₂Cr₂O7/H₂SO4/H₂O SOCI₂ V IV H || V HO NH₂ NH₂ ||| ABCDE A. B. D. E. IV I <<=== Br Mg/ether NHCH3 || excess SOCI₂ CH3NH2 1. CO2 2. H3O+ Pyridine NHCH3 NHCH3 V NHCH3 NHChoose the correct reagents to complete the following synthesis problem. To preview image click here 1. Correct reagent(s) for I [Select] 2. Correct reagent(s) for II [Select] 3. Correct reagent(s) for III [Select] Br A. HBr/ROOR B. Br2 I C. HBr || D. E or F E. NBS/hv F. Br₂/hv G. H or I H. KOtBu I. NAOMe ||| Br ±7. Reaction Scheme. NH₂ NH2 or two differnet methods (no same steps/reagents) C5H12N2 1. xs Mel, xs K2CO3 2. Ag2O, H₂O 3. heat Br2, xs NaOH, xs H₂O OHC 1.03 2. DMS CHO
- Please pronde ne approprate reagents or product. 1.Os0y,TBHP, H20/THF -> 2. TSOH, acetone, PhH,neat 3. AICI3, CH3COCI, CH2C12 2) 1. B200B2,NBS, CC14> 2. Mg, THF;then Pa°Ln, PhBr 3. HNO3 , HzSo4 4. 2n, HCI me Br Me0 (3 meo MeN HN Meo me BrTo preview image click here Choose the correct reagents for the following synthesis. 1. Correct reagent(s) for Step I [Select] [Select] A. PCC/CH2C12 2. Correct reagent(s) for Step II B. Na2Cr207/H2SO4/H20 A or B 3. Correct reagent(s) for Step III [Select] 4. Correct reagent(s) for Step IV [Select] 5. Correct reagents(s) for Step V [Select] H -OH 11 ||| OMgBr H H OH OH2. State the name of each of the following reactions (acid/base, Lewis acid/base, resolution, epimerization) and draw the products of each reaction. a. Name b. Name C. H₂C. Br Name OH OH OH Racemic mixture CI + NH3 1. 2. Crystallization 3. Separation 4. Neutralization Product 1 Container 1 Product 2 Container 2
- Choose the best reagents to complete the reaction shown below. HBr А 1. LIAIHA 2. H30* 1. NaBH4 2. H30* 1. H30* D 2. PhMgBr 1. PhMgBr E 2. H30* Version: 1.0.94 + production B.1. Determine the pre-target compound and the reagents or reaction conditions in the synthesis of the following compounds Ph Ph NaOH Ph A. ? ? +?- Ph CN Br Ph CO2H Br Ph CN CO,H H3PO4 ? OsO4 В. ? + ?- 80° CO2H NaOH но HO. Meli ? кон D. ? H* MEOH сно NaOH ? +? NO2 Ph HNO3 O,N. H2N HNO, F. ? ? H2SO4 H3CO OCH3 H3CO H2SO4 O2N. Sn H;CO OCH3 HCI E.15. What is the product, W, of the following reaction sequence? 1 equiv. I COzH i. excess NaOEt ii. Bri IV 1 equiv. HO₂C. OH Br II IV 17. Predict the product of the following reaction sequence. i. NaOC₂H5 ii. CH3CH₂CH₂Br iii. NaOH iv. H3O*, heat iii H30 heat CO₂H OH ? CO₂H OH Ju qe je OH O I II III V W COOH III 16. What would be the major product of the following reaction sequence? OH a) Ethyl acetoacetate b) Ethyl acetoacetate c) Ethyl acetoacetate IV e) Ethyl hexanoate PCC CH₂Cl₂ 18. 2-Heptanone can be synthesized by which reaction sequence? heat, II NaOEt CH3(CH₂) 3 Br EtOH NaOEt EtOH i. dil.OH heat ii. H30 d) Ethyl acetoacetate CH₂(CH₂);Br_ i. LDA ii. C₂H₂I 22 i. NaOEt, EtOH ii. CH3COCI V III NaOEt EtOH i. dil.OH heat ii. H30 CH3(CH₂)3Br CH₂(CH₂), Br i. dil.OH ii. H30¹ heat, i. dil.OH heat_ ii. H30*
- In each reaction box, place the best reagent and conditions from the list provided. 1) Br 2) 3) 4) DEET (the active ingredient in over the counter insect repellant) 5) Answer Bank Mg, Et,0 HN(CH, CH, ), (1 equiv.) H,O* CH,COOH CH,CH,NH, CH,CH, Br NH(CH,CH,),(2 cquiv.) НСООСH, H,CO НСООН CH, CH, OH NaCN NaNH, Br,, FeBr, SOCI, CO,What is a major product of this reaction? FeBr3 +Br2 ??? Br Br Br Br I. II. III. Br Br Br IV V.Which of the following will yield identical products of 1,2- and 1,4-addition of HCI? OA. Only I OB. Only II OC. II and III OD. I, II and III || III IV