What product(s) will you expect from A? From B? How will the ethoxide in ethanol and t-butoxide in t-butanol affect (if at all) the product of the reactions? Note that both have the same alkyl halide as starting metarial.
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- Name the following structure CI 1111 A. (45)-4-Chloro-4-methyl-2-hexyne B. (35)-3-Chloro-3-methyl-4-heptyne C. (3R)-3-Chloro-3-methyl-4-hexyne D. (4R)-4-Chloro-4-methyl-2-hexyne1. In a Birch reaction, an aromatic compound can be treated with Na/CH3OH, it can also be treated with Li/NH3 and have the same product form. One of the intermediates in the Birch reaction is a radical anion. In the example below, anisole could possibly form a radical anion A or B, then will go into C and D. Li/NH3 A B C D A. With the knowledge you have gained from what we have discussed, which anion A or B is more stable? What is your reasoning? B. Is a Birch reaction and oxidation or reduction? Why?2. The structures of alkenes can affect their reactivity in the reaction with H-Br. H;C H H;C H H H H `H H;C `H H `H A B (a) Arrange the reactivity of above alkenes (A, B and C) in an increasing order. AL (b) Use the carbocation formation to show the ease of alkenes to accept a proton from HBr.
- Predict the major product of the reaction. starting material O А. B. D. Е. OH OH 1. BH3 2. NaOH, H. H2O ОН OH H OH enol intermediate productChoose the best reagents to complete the reaction shown below. A B C E D HO о O= OH RCO₂H 1. OsO4 (catalytic) 2. NMO 1. KMnO4, OH- (warm) 2. H₂O* MCPBA 2. H3O+ 1. Hg(OAc)2, H2O E 2. NaBH4, NaOH Q QWhat product do you expect from the reaction of butan-2-one with hydroxylamine, NH₂O? a. O b. O c. O d. NH || CH3-CH₂CH₂C-CH3 NOH || CH3-CH₂CH₂C-CH3 NHOH I CH3-CH₂CH₂CH-CH3 NOH || CH3CH₂C-CH3
- 6). 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 CH₂Select the most likely route to produce the desired products from the given starting material. a. (1) H2SO4 y ∆; (2) HBr b. (1) KOH etanol; (2) HBr c. (1) KOH etanol; (2) HBr + peroxidosBr OBn Mg, ether a Work through the above synthesis and draw the structure of compound f. then H3O+ • You do not have to consider stereochemistry. • Draw organometallic compounds as covalent molecules. - #[ ] در ? ChemDoodleⓇ CH3l, NaOH H₂, Pd NaOH H₂N. HAY Previous Next f
- Determine why these reagents wouldn't work to form the product given using the same starting material. a. HO NH₂ CS₂ CISO₂H cat. H+ EtOH/ H₂O Et₂N Et S S N EtChoose the best reagents to complete the reaction shown below. Br Br [ A C E 1. NaNH2, A 2. H3O+ 1. NH3, A 2. H3O+ KOH heat H3O+ heat H3O+b).. .. Under each potential product of this E2 elimination, write "major product," "minor product," or "not formed." Me Br H Me Me OH Me Ph Ph H Me H Et Me Me Me Ph Ph Me Me Et