Η 1. Br2 (1 equiv), PCl3 (1 equiv) A 2. Н2О B Br2 CH3CO2H 0 excess Br2 D excess Br2, NaOH Done Q Q 1. NaOCH2CH3, 25°C A 2. CH3CH2Br (1 equiv) 1. NaOCH2CH3, -78 °C B 2. CH3CH2Br (1 equiv) 0 1. LDA, 100 °C 2. CH3CH2Br (1 equiv) D 1. LDA, -78 °C 2. CH3CH2Br (1 equiv) Done
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Choose the best reagents to complete the following reactions.
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- 1. CHǝMgBr A 2. H3O+ 1. KCN B 2. H3O+ 1. CH3Li C 2. H3O+ 1. (CH3)2CULI 2. H3O+ Done34. Hot and spicy foods contain molecules that stimulate pain-detecting nerve endings. Two such molecules are piperine and capsaicin: нн H H - CH=CH_CH=CH- H. Ö H H нн H. Piperine H;CO. CH & CH CH3 (CH,), j CH CH, НО H. Capsaicin Piperine is the active compound in white and black pepper, and capsaicin is the active compound in chili peppers. The ring struc- tures in piperine and capsaicin are shorthand notation. Each point where lines meet represents a carbon atom. a. Complete the Lewis structure for piperine and capsaicin show- ing all lone pairs of electrons. b. How many carbon atoms are sp, sp², and sp' hybridized in each molecule? e. Which hybrid orbitals are used by the nitrogen atoms in each molecule? d. Give approximate values for the bond angles marked a through I in the above structures.5. Fill in the blanks: CH3 Cl 3 CH3 xs NCS Zn(Hg) Br HCI Br H3C H3C NBS Br, A FeBr, H3C ÇH3 H3C- ČH3
- (k) (m) x OH PCC CH₂Cl₂ CrO3 OH aq. H₂SO CH,O K H2SO4 CH₂OH (h) охор (1) Сюз OH aq. H₂SO CHI Хосна 1. Hg(O CCFz)z CH OH 2. NaBH₁1. Na (2.5 eq), NH3 (1) Et,0, EtOH .CH3 За. ВНз. ТHF B1 B2 `CH3 2. На, cat. (PҺ3P)3RҺCI 3b. NaOH, H2O2 toluene (a) and (b) both are correct „CH3 H. A) CH3 B) `CH3 HOʻ B2 CH3 B1 CH3 CH3 C) HO CH3 CH3 B1 B2 CH3 CH3 D) HO "CH3 CH3 B1 B2Br₂ ha NBS hV; CH₂Cl₂ hv; RO₂R Bra CH₂Cl₂ HBr Ht Br CH₂Cl₂
- Predict the major product(s) of the following reactions. For reactions that are not stereospecific, you should select all correct stereoisomers. a) Br HO D H,CO- HO OH,CO- H.CO но. Br Br Br Br OCH, •OH Br Br Br OH OCH -OCH, CH,OH OH Products blan Br Br OCH, ОН BrIdentify A through H.What is the name of (NH4)2Cr2O7 and Pb(HPO4)2. Thank yoU!