7.43 (f) 2,4-Dimethyl-3-pentanot (surruric acid, for e Choose the compound of molecular formula C,H₁,Br that gives each alkene shown as the exclusive product of E2 elimination. (a) (b) O -CH₂ (d) + od bromides both of which yield the indicated
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7.43. A through C
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- Draw the structure of the organic product formed when 2,3-butanedione reacts with the following reagents. CH3 -C-C-CH3 | (a)H2/Ni (b)l2/NAOH 3D(ii) Draw the product R, including a detailed reaction mechanism for the conjugate addition reaction between the 1,3-dicarbonyl P and the a,ß-unsaturated ketone Q. Eto P OEt + Q OEt Et3N R (iv) Explain why conjugate addition is favoured over direct addition to Q in this case.4G. 4G 7:41 PM 27 4. Draw structures corresponding to the following names: (a) 2,2-Dimethylpropanoyl chloride (c) 5,5-Dimethylhexanenitrile (e) trans-2-Methylcyclohexanecarboxamide (f p-Methylbenzoic anhydride (b) N-Methylbenzamide (d) tert-Butyl butanoate
- 4G. 4G 7:41 PM 27 PROBLEM SET – CARBOXYLIC ACIDS 1. Give IUPAC names for the following carboxylic acids: (a) (b) Br (c) CH;CHCH,ČOH CH;CHCH,CH,ČOH CH3CH-CHCH,CH,CH3 (d) H H (e) H C%3C HO,C H3C CH2CH,COH 2. Draw structures corresponding to the following names: (a) 2.3-Dimethylhexanoic acid (b) 4-Methylpentanoic acid2. Identify the major product in each of the following reactions: (5 pts) (a) НА (b) НА он (c) CH,CH,NH, (d) HCN (e) KMNO,Give the structure of the principal product(s) when each of the following alcohols reactswith (1) Na2Cr2O7>H2SO4, (2) PCC, (3) DMP, and (4) 1 equiv NaOCl-TEMPO.(a) octan-1-ol (b) octan-3-ol(c) 4-hydroxydecanal (d) 1-methylcyclohexan-1,4-diol
- Give the major organic product(s) for each of the following reactions (a) + H2 1. (CF3CO0)2Hg. CH3OH (b) 2, NABH4Melamine, used as a fire retardant and a component of the writing surface of white boards, can be prepared from s-trichlorotriazine through a series of SNAr reactions with ammonia. The first substitution takes place rapidly at room temperature. The second substitution takes place near 100 °C, and the third substitution requires even higher temperature and pressure. Provide an explanation fatr this reactivity.Which of the following stauctures ase epoxides: 2 3 Q) 3 and 4 b) 2 and 3 C) 2, 3 and 4 C) , 2,3 and 4 The JUPAC name of the following compound s: O4 a) (S)-1-tert-butylprop-1-0I b) (5)-2,2-Rmethyl pent-3-01 C) (A)-2,2-imethylpent-3-01 d) LA)-,4-dimethylpent- 3-0l
- Chemistry 60. Give the principal product(s) expected, if any, when trans-1,3-pentadiene reacts under the following conditions. Assume one equivalent of each reagent reacts unless noted otherwise. (a) H2O, H3O+ (b) Na+EtO- in EtOH (c) Maleic anhydride heatWhich of the following are the major deuterated products of the reaction below? (1) B,De. diglyme D 情 (2) H02, NAOH/H,0 HO, HO. HO. (A) (B) (C) (D) OCompounds A and D Compounds A and B O Compounds A and C Compounds B and D9.22 Predict the products from reaction of 1-hexyne with the following reagents: (b) 1 equiv Cl₂ (a) 1 equiv HBr (c) H₂, Lindlar catalyst (e) H₂O, H₂SO4, HgSO4 (d) NaNH₂ in NH3, then CH₂ Br (f) 2 equiv HCI 9.23 Predict the products from reaction of 5-decyne with the following reagents: (b) Li in NH3 (d) BH3 in THF, then H₂O₂, OH- (f) Excess H₂, Pd/C catalyst (a) H₂, Lindlar catalyst (c) 1 equiv Br₂ (e) H₂O, H₂SO4, HgSO4 9.26 Identify the reagents a-c in the following scheme: = 9.24 Predict the products from reaction of 2-hexyne with the following reagents: (b) 1 equiv HBr (a) 2 equiv Br₂ (c) Excess HBr (d) Li in NH3 (e) H₂O, H₂SO4, HgSO4