3) Complete the following: Stereochemistry, enantio-, and regioselectivity are important. a) type Hydroboration / oxidation a) f) Allylic bromination type Br b) Br2, CCl4; A HO HO g) b) type type. a) 9-BBN, THE a) b) CHO Δ Br h) type a) type a) B.-L. acid-base; b) alkylation (allylation) d) a) LDA, THF b) i) OH Grignard Synthesis of an alcohol b) Me3SiCI type type a) a) D b) type type
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- Complete the following: Stereochemistry, enantio-, and regioselectivity are important. CrO3, H2SO4 a) OH Bromination of an alcohol (Sn2) type EtO₂C CO₂Et b) b) d) H3CO type NH2 a) b) H3CO type a) b) OH g) type CN CI h) acetone Swern Oxidation type type CO₂H type Доно i) Me3SICI, Imidazole OSiMe3 Et3N, CH2Cl2 Br type a) Mg°, THF Br j) b); H3O+ H2SO4 (H+) MeOH OMe type typed) e) b) c) E₂ d) Es in the products. Include stereochemistry where relevant. CH₂₁ CH₂ 1. BH, 2. H₂O₂ OH 100⁰ CH₂OH NaCN 1.0₂ 2. Zn, H H₂O* H, heat.[References] Use the References to access important values if needed for this question. Draw the structure of the organic product that is expected when the following compound is treated with concentrated H,SO4. CH3 CH2CCH2CH3 tosH heat HO. • You do not have to consider stereochemistry. • In cases where there is more than one answer, just draw one. ed P. opy aste C. CH4 ChemDoodle Retry Entire Group 3 more group attempts remaining Submit Answer Previous Next Email Instructor Save and
- Give the major organic product(s) of the following. Include stereochemistry when applicable. 1) Nal Br a) 2) NaCN, acetone 1) NaOC(CH3)3, heat d Br 2) BH₂ THF; 3) H,O,, NaOH(aq) b) c) d) c) 2) KOC(CH3)3, heat Copyright University of California Merced 2022 Br 1) NaOH, heat 2) MCPBA 1) KOC(CH3)3, heat 2) H3O+NH₂ NHỊCH, tipy (a) acrylamide Diamines are used as the building blocks for the synthesis of pharmaceuticals and agrochemicals. In the above synthesis, draw the structure of the product (b). ChemDoodle 1. LIAIH 2. H₂O • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Include cationic counter-ions, e.g., Na* in your answer, but draw them in their own sketcher. OF (b) 6a) b) c) d) e) 1) BH3/THF 2) H₂O2 NaOH (aq) cold Cl₂, H₂O HBr CH3CH₂OOCH₂CH3 1. Hg(OAc)2, H₂O 2. NaBH4 o 1) 03 (-78 °C) 2) (CH3)S H₂ Lindlar catalyst
- Draw the product(s) of bromination. Br, (a) Br Br Br Br H. H.Draw all stereoisomers formed in each reaction. to [1] CH3LI а. [2] H2O 1m( Culi b. [1] [2] H2O [1] LIAIH4 С. с. [2] H2O [1] mCРBA d. [2] MgBr [3] H2O ..||f) 5) 2. Synthesis b) c) a d) > .On CH3 CHO СН3-С=Сн .OH COM инг 1) CrO₂, H₂ sop 2) , 3) H₂, Pd-c 1) LiACH & (excers) 2) Tsll, Pyridine (209) 3) конви (чод) 7 cipt Асоон nisł CH3-CE IZ H 2 of
- Electron pairs CH3 .. Erase H3C - С — СІ: H3C – S- CH3 CH3 CH, CH3 THF/H,0 + H,C--CH, CH C- CH CHs CH, Use curved arrows to write the first step of this nucleophilic substitution mechanism. :ö: | :ö:]>90% e.e. TSOH (cat.), CH,Cl2 then workup racemic но mostly one diastereomer ]5:1 diastereomer mix product after these transformations >90% e.e. 2) a) NANH2, THF, -20 °C b) OHC-CH,CH3 c) workup ]racemic mostly one diastereomer 3) NaH, MegSi-CI, then workup ] 5:1 diastereomer mix product after these transformationsComplete the following reaction equation, showing stereochemistry. + Cl₂, H₂O draw structure ... I