Provide the missing intermediates and final product in the following synthesis. 1. LDA (excess). A 2. Н,о Br2 1. NaH В 2. C H,/Pd CI4 Lindlar catalyst ВА 1. CH,MgBr H,CrO4 D E 2. NH,CI, H,O F G
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- 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 CHO26. Which sequence of reactions would be the best choice to carry out the step below? Но HO а. d. 1. MgBr CI . AICI3 2. Но b. е. 1. / CI . AIC13 CI, AICI3 2. Zn(Hg), HCl с. 1. Br,. FeBr3 2. MgBrConsider the following overall reaction that uses liquid acetone (CH;COCH3) as a reactant to produce a compound with two different functional groups. The reaction follows this mechanism: 2 f.,,.e f.....f .. + H2O (1) + :OH 6.. :OH མེན་གྱིས་ འབུ་ ིམ་མི་ ོ་ ེ་ ི་ ་ :OH What is true for the first step in the this mechanism? O AH > o ( Endothermic) AH o ( Exothermic)
- Write the following product substances and reaction mechanisms. a a. b. O CNH₂ о вон CHỊCH, CHỊCH C. CH3CH₂CCH₂CH3 O 1) LIAIH4 2) H₂O 1) LIAIH4 2) H¹, H₂O 1) NaBH4 2) H*, H₂O e. O a -COCH₂CH3 f. CH3CH₂CNHCH₂CH3 요 CH₂COH g. CH3CH₂CH₂COH 1) LiAlH4 2) H₂O 1) LIAIH4 2) H₂O 1) LIAIH4 2) H*, H₂OProvide a plausible arrow pushing mechanism for the reaction below. Os-OtBu 's-OtBu HN 1. LDA 2. OMe SO,Ph 3. aqueous workupWhich of the following represent the reagents in the correct order for the synthesis of the target molecule? 1. CH3CI, ALC!3; 2. H2/Pd; 3. NBS, light А 1. CH;COCI, ALC!3; 2. Zn(Hg), HCl; 3. NBS, light В 1. CH3COCI, AlCl3; 2. Br2, FeBr C 3; 3. H2/Pd 1. CH3CH2CI, AlCl;; 2. Br2, FeBr3; 3. NBS, light Br 1) 2) 3)
- Pick the appropriate conditions to accomplish the transformation. ... a CHiS CH2C ECH CH3 CHg ĊCH3 CHy CH, CCH3 1. ВНЗ A 2. H2O2 (в) кMпо4 or оз 1. NANH2, NH3 2. СНЗОН D H2SO4, H2O, HgSO4Draw the structures of the starting material and the four missing intermediates. он H2O2, H2SO4, MeOH allyl bromide, K½CO3 acetone, reflux (97%) MeO OMe (99%) ÒMe Оз. Осм, МеОн, -78°С then Me,s DMF, 190 °C BnBr, K2CO3 acetone (99%) (93%) (78%) Br OBn NBS, DCM (95%) Meo OMe ÓMeс-НCI (1 drop) H. OCH2CH3 H2N NH2 O2N ethanol, reflux 1. major product 2. the most plausible mechanism plzintermediates/products for this reaction Supply the missing . Please Show all 24.49. arrow pushimed Méchansmsi Mg(s). 1.8 Br2 Na,Cr,0z H2SO, SOCI, A B FeBr3 2. H300 AICI, Thanto ga! OCH3 Conc. H3PO4 → G OCH3 H. NABH4. ELOH AWhich of the following are purposes of the work-up followng a chemical reaction? A. To accelerate the formation of product. OB. To shift the equilibrium towards the products. To quench the reactive species in the mixture. C. - D-To provide separation of side products from the desired products.SEE MORE QUESTIONS