2. Show the curly arrow reaction mechanism for the following process including structures of the intermediates: Li H LIAIH4 (2 equivalents) by-products HO H-Al-H then work-up HCl(aq) H H Tetrahedral intermediate 1 Tetrahedral intermediate 2
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show the curly arrow mechanism for the acid workup and what are the by products
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- 2. Show the curly arrow reaction mechanism for the following process including structures of the intermediates: by-products LIAIH4 (2 equivalents) HO H-AlH then work-up HCl(aq) но. H H Tetrahedral intermediate 1 Tetrahedral intermediate 26). What is the major product of the following reactions? (A) -? coon 1). NaOH in ErOH, then H,O+ 2). 1 eqiv. NaOEt 3). 1 equiv. CH3Br 4). H₂O*, Heat COOB (Intramolecular Claison) COOE (B) CH₂ COOH (D) CH₂ (E) CH3 CH₂5- 4- 1. CH3CH₂MgBr Br 2. H₂O Mg/ether 1. iH 2. H₂O
- Provide the mechanism and product(s) of the following reactions: O₂N. CI NaOH da /NH 1. KNH₂ 2. H₂O Br2, FeBr3 NaOMe3. Complete the following reaction scheme: NaBH4 H* ETOH A E 1) CH;Mgl 2) H30* 1) 2) H30* он H но OH OH PCC (1 equivalente) HO. (ехceso) H* A K 1) LDA 2) CH2L PHNHNH2 H* N H2N-NH2 KOH1. Write the correck IUPAC nemes Far the Foilawing organic comPounds: Br CH3 H3C 8. Assign E an or Z configuration bi CI 2. CidssiFy the Following reagents cs either nucleaphiles or e lectraph:les: Zn, CH3NH2, HS, OHa, CH3COOH, HoSO 3. Whet are the products obtained From the addition of HBr to each of the falbuing compounds? CH3 a) + HBr > CHo +HBr- 2.
- Classify each of the following organic reactions. reaction Hör H₂O 1) Hg(OAc)₂, H₂O aveau Br OH OH type of reaction (check all that apply) Odihydroxylation addition hydrogenation Dhalogenation halohydrin formation. subtraction halogenation hydrogenation addition halohydrin formation inhalation Odihydroxylation addition hydrogenation oxyhydration halogenation4. Provide the mechanism for this reaction: H3C O cat H* (CH,CH,)NH -Z N CH39) What is the major organic product of the following reaction? COOH 2 I. II. HOOC HOOC III. IV. A) I V. +HOCH₂CH₂OH B) II CH₂CH₂ CH₂CH₂0- CCH₂CH₂C COCH₂CH₂OC O=O R=0 C) III H ? COOH -COOH -OCH₂CH₂OH D) IV
- 3. Provide mechanisms for the following reactions. OH a. 18OH b. C. HO H₂180 cat. H H₂O -C=N: cat. H* 180 →EtOH + CH3CH₂CH₂CO₂H cat. CH3SO3H NH1. Draw the product formed when the following ketone reduces with NaBH4 in CH3OH. DIBAL-H (H3C)3C- (H3C)3C- A. I OH охон B. II OCH 3 C. II and III CH3OH (H3C)3C D. IV || -COOH E III -OH IV -OHconc. HBr HO. Br 2. (Ph)3C-OH HCI (Ph);C-CI H20 d = E1 Elimination e = E2 Elimination a = Proton transfer f = Sy1 Nucleophilic substitution b = Lewis acid/base c = Electrophilic addition g = SN2 Nucleophilic substitution The rections above involve synthesis or reactions of alcohols and ethers. Identify the mechanism by which they proceed from among the mechanisms listed. Use the letters a - g for your answers. 2.