What reagent(s) is/are appropriate for the fifth (and final) step of the synthesis, shown below? step 5: ? https://ibb.co/zXqpx0d e i) CrOz in H30* ii) OsO4 iii) DMP Only i O Only i and i O Only i and i O All of i, i, and i Only i and i
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- Which conditions will produce the target product in the highest yield? O A) 1. BH3; 2. H₂O₂, NaOH, H₂O B) 1. OsO; 2. S(CH3)2 C) 1. Hg(OAc)₂, H₂O; 2. NaBH4 D) H₂SO4, H₂O A ? B OH racemic mixture6. Complete reaction scheme below indicating reagents, catalysts and conditions, and side product trigil bezinslog si6101fon 290b 1l (b Senines levirba 6 gaubong nasamots gniwollot ads to doinW 01 sniowl (6 CH3 40 CH3 Scansgowi (d Ege nodie) ( nsgyxo (b NO₂ 19m02 2i gniwollet sits to mainW II HO7. 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
- Which step in the following reaction will cause the proposed synthesis to fail? A B CI NBS -Br AICI, cat. light C (H3C)3C-o E но 1. Hg(OAc)2, H20 MnO2 2. NABH4What is the best sequence of steps (reagents) to make the following multistep synthesis Br Fuming H2SO4: Bro/AlBr3: H3O. heat; CH3CH2CI/AICI CH3CH2CI/AICI: Fuming H2SO4: Br2/ FeBr3: H30*, heat Bra/FeBrs: H3O, heat; CH3CH2CI/AICI3 CH3CH2CI/AICI3: Br2/ FeBr3: H30*, heat Fuming H2SO4: Br2/FeBr3; H3O+, heat; CH3CH2CI/AICISPredict the reaction outcome showing and explaining proper Transition States. 6. Draw the major product with proper stereochemistry and explanation showing the correct approach of nucleophile. a) b) OMe NBn2 EtMgBr then H* Ph OLi H CHO Me then H* R Li d) SMe H ZnBH4 ? Ph. -N. ? then H+ R f) OSiMe₂Ph NaBH4 OH O NaHB(OAc) ? OSIMe2Ph is larger than Ethyl g) h) R = Et MeLi then H+ MeLi then H* R = OH and and ? R R = CO₂Me R = CO₂Me R R
- Provide the mechanism and product(s) of the following reactions: O₂N. CI NaOH da /NH 1. KNH₂ 2. H₂O Br2, FeBr3 NaOMeWhat reaction conditions are best to carry out the following reaction? TH. H. c1) O3 2) (CH3)2S A OsO4 B H* /H2O KMNO4Provide the reagents in correct order necessory to carry out the following conversion. OCH Br 10 NO, C/FeCls CHaONa, HNO,/ H,S0, excess Br/FeBr3 O excess Bra/FeBrs, Cle/teCl, CHONG HNO:/HSO. Clb/FeClz HNO,/HSO, CH-ONa oxcess Br./feBr O excess Br/FeBr, Cl,/Fecl, HNO,/H,SO, CH ONG