What is the organic product formed in the following sequence of reactions? Br (1) Mg/ether, (2) CO₂ HOCH₂/H+ (1) DIBAL-H, toluene, -78°C (2) H*(aq) heat (3) H*(aq) II I H IV H ?
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- What is the major organic product formed in the following reaction? C,H;MgBr HO H. H;0* OH OH (В) (A) HO CH3 HO C2H5 (D) (C) H3C CH3 H.Which of the compounds, (a)-[d) below is the major product of the reaction: H* / H20 (a) (b) OH OH (c) (d) но OH O A. (a) O B. (b) OC. (C) O D. (d)What is the major organic product of the following reaction sequence? (CH₂) 3 COOH 1) SOCI₂ AICI 3 CA) 00 CD) (B) O OTO Ott CI (F) > ? o a Coott
- Complete the given reactions by drawing the structures of the major organic products: Please draw the completed reaction OH HO HOCN H₂N H₂O H3PO4 OH HO HO. (excess) H3O+ H2SO4 H*(a) (b) HO N N-H Catalytic H+ (-H₂O) ? (c) NH2 HO N (d)Diaw structural formulas for the major organic producto 9) MCH SOCI₂ b) 2) d) SE охон a OH HCl OH HBr excess H₂ CrOA HIOA DOD4, HD₂ HIO pruch, THEO 2) ft₂N for each reaction.
- a) b) Complete the following reactions: c) OH он + хон сле НО OH OH H₂SO, А H₂SO, H₂SO OH або два H_SO. d) OH Д4. Protonation of alcohol A and subsequent loss of water, produces the intermediate B. CH3 CH; CH, CH, — с — сH, CH, CH;CH, - C- CH, CH; | OH A B (a) (i) Name alcohol A. (11) What type of species is intermediate B? (iii) Draw the structures of the two alkenes which can be formed from species B by removal of a proton. Label as C the alkene which shows geometrical isomerism. (b) The intermediate B is readily attacked by nucleophiles such as water. What is the essential feature of a nucleophile? (c) State what final colour you would see if alcohol A were warmed with acidified potassium dichromate(VI). Explain your answer. Colour Explanation . (ii) Draw two structural isomers of alcohol A which form branched chain ketones when heated with acidified potassium dichromate(VI), but which could not form alkene C on dehydration.GIVE IUPAC NAMES FOR THE FOLLOWING STRUCTURES: (a) (b) СНО (c) H-C-OH CH2OH *CH3 (d) (e) (f) CHO OH | || CH3CHCH2CH CH3CHCCH2CH3 CH3 ОНС
- What reaction took place in the reaction below? CHẠCH, CH; CH,(CH),CH; CH{CH,),C-OCH; CHẠCH)A CH; CHỊCHCo H0 НОСН CH/CH),CH, CH, (CH),C-C HOCH, HH O reduction (hydrogenation) O amide synthesis O acetal hydrolysis O ester synthesis O acid base O dehydration O thioester synthesis O phosphate ester synthesis O hydration O ester hydrolysis O amide hydrolysis O oxidation O acetal synthesis1. Give IUPAC names for the following carboxylic acids: (c) CH;CH-CHCH,CH2CH3 (а) (b) Br CH;CHCH,ČOH CH;CHCH2CH,čOH (d) (e) H HO,C Co,H CH2CH,COHPredict the products of the following acid-base reactions. If the equilibrium would not result in the formation of appreciable amounts of products, you should so indicate. In each case label the stronger acid, the stronger base, the weaker acid, and the weaker base: (a) CH3CH=CH2 + NANH2 (d) CH3C=C: + CH;CH2OH → (e) CH3C=C:- + NH¾CI – | (b) CH;C=CH + NaNH2 (c) CH3CH2CH3 + NANH2 → | HAS