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- What is (are) the major organic product(s) obtained from the following reaction? 1. OsO4 2. NaHSO3 H2O O (2R,3R)-butanediol O (2S,3S)-butanediol O meso-2,3-butanediol O Racemic mixture of (2R,3R)-butanediol and (2S,3S)-butanediolProvide the reagents necessary for each step from the drop- down menus below. A [Select] B [Select] C NaOEt D H3O+/Heat seb HO ITS BComplete the following reaction sequences by drawing the major products or the reagents necessary to make them. Be sure to include stereochemistry when appropriate. a. b. OEt TBSO "Вос 1. TsCl 23188- Et3N 2. CSA MsO OEt N TBSO Вос two steps 1. TBAF THF 2. LiOH THF 1. DIBALH 2 Ph₂p=/ CO₂Et * CO₂Et
- Reagent 3 list; commas separate the choices benzylamine,cyclohexlbromide, cyclohexylamine NaBH3CN catalytic H+, h30, NaOH Reagent 4 list; CH3(Ch2)2MgBr, cyclohexylamine NaBH3CN catalytic H+, Na2 Cr2 O7 H2O H2SO4,cyclohexabromide reagent 5 list; cyclohexylamine NaBH3CN catalytic H+,CH3(Ch2)2MgBr, cyclohexabromide, benzylaminePlease 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 BrDraw the structure of the major organic product of the reaction below. ● + CHCI3 MILL KOH Use the wedge/hash bond tools to indicate stereochemistry where it exists. Show stereochemistry in a meso compound. If the reaction produces a racemic mixture, just draw one stereoisomer. ▼ n [F ? ChemDoodleⓇ
- Ql- Arrange the following carbonium ion as more stable. Why? Me Me „Me A C Q2- Choose the substituted group that makes the following reaction faster. Why? X- CH2 H X- ососн, OR COOCH} Y= NH2 OR NO2 Q3- Which of the following compounds give the highest yield when reacting with a carbonyl compound. Why? NH 2 NH2 NH2 Me Me Me OR OR NO 2 NO2 NO2Draw the structure of the major organic product of the following reaction. CH3 Ī CH3CHC=CH2 I CH₂CH3 1. Hg(OAc)2, H₂O 2. NaBH4 • You do not have to consider stereochemistry. • In cases where there is more than one answer, just draw one. MAVIL Jn [F ChemDoodleⓇapp.101edu.co Draw the major product of this reaction. Ignore inorganic byproducts. Assume that the water side product is continuously removed to drive the reaction toward products. esc F1 CH3CH2CH2OH H2SO4 (cat), heat ☀ F2 80 F3 OH a F4 W Q F5 Atoms and P Draw or ta MacBook A C F6
- Draw the major products of this reaction. Ignore stereochemistry. Ignore inorganic byproducts. 1. KMnO4, H3O+ 2. NaIO4 3. Na2S2O3, H₂O Select to Draw6. 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 HO3. For questions "A"- "C", complete the following reaction schemes (no mechanisms required). Show all reagents used in the order of application. th A) 6 B) ||| Ins HO HO