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- Complete the following reaction scheme. 1. DIBALH 2. H3O+ TMSCI Pyridine 1. LIAIH(t-BuO)3 SOCI2 2. H3O+ CrO3 H3O+Provide the missing compounds and reagents in the reaction scheme. Identify reagent 5. OH reagent 2 reagent 1 H2SO4 но Compound 1 (conc.) 1) BH3 2) H,O, H,SO, (conc.) NaOH, H2O reagent 3 CrO3, H* A Compound 4 NABH4 1) O3 2) Zn, H;O* reagent 5 reagent 4 H,SO4 Compound 3 Compound 2 1) CH;MgBr (conc.) 2) H;O+ Identify reagent 1. Identify reagent 2. Identify reagent 3. Identify reagent 4. 1) CH3MGB1 2) H;O* H,SO̟ (conc.) H,SO, (conc.) H,SO, (conc.) CrO3, H+ 1) ВН, NaBH4 1) O3 NaBH, 2) H2O2 2) Zn, H3O* 1) CH,MgBr 1) BH3 NaBH, 2) H3O+ NABH, 2) H,O2 1) CH;MgBr 1) O3 1) BH3 1) O3 2) Zn, H3O* 2) H;0* 2) Zn, H,O+ 2) H,O2 1) O3 CrO3, H+ CrO3, H+ H,SO4 (conc.) 2) Zn, H,O* 1) CH; MgBr 2) H,0* 1) ВН, CrO3, H* 2) H,O,What is the expected major product of the reaction sequence shown? Assume standard workup after each step and that only the major product of the first step is taken on to the second step. OH 1. PBR3 H3C/,, 2. NaOEt, EtOH Br H3C,, OEt
- bläi 5 Q3: 5. Select the product of the .following reaction 1. Mg 2. co, followed by acid workup 3. Pyridine NICH)2 он NICH2 NCH2 NICH)2 A. В. C. D.6. 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 HOWhat reaction conditions are best to carry out the following reaction? TH. H. c1) O3 2) (CH3)2S A OsO4 B H* /H2O KMNO4
- 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 CHOExplain why each of the following reactions will not proceed as written. [1] LDA + Co2 a. C. [2] CH;CH2I COOH [1] NaOEt b. CH2(CO,Et)2 (CH,CH2),CCH(CO̟Et)2 (2] (CH3CH2),CBrDraw the structure of the major product of following reactions: CH2l2, Zn(Cu) Et,0 „MgBr H3O* to H,0 2. Zn 3. ..... HCI CH212, Zn(Cu) 4. Et,0 H3O* + CH;CH2M9B. 5,
- Provide the major organic product for the 1. LilH 4 2.нсін, о Provide the major organic product of the following reaction. following reaction. ?. 6. Provide the major organic product for the following reaction. HO Br OH NH - Br 1. LIAIH4 2. HC1, H₂O 7. Provide the major organic product of the following reaction. concentrated KMnO4 refluxProvide a plausible arrow pushing mechanism for the reaction below. Os-OtBu 's-OtBu HN 1. LDA 2. OMe SO,Ph 3. aqueous workup8 Complete the following reactions by briefly explaining in each case the type of reaction taking place. i. ii. iii. iv. V. 요오. ??? ??? 1. EtONa 2. CH3CH₂CH₂Br 3. EtONa 4. ??? 1.03 2. Zn/CH3COOH CH3CH₂CH₂NH₂ AcOH, H₂, Ni ??? CH3CH₂CH₂CH₂OH (περίσσεια) H* NaOH OH + ??? OH