The alkane formed by hydrogenation of (S)-4-methyl-1-hexyne is optically active, but the one formed by hydrogenation...
Provide the products obtained in each of the following four reactions. 1. Hydrogenation of (4S)-4-methyl-1-hexyne with H2 and Palladium 2. Hydrogenation of (3S)-3-methyl-1-pentyne with H2 and Palladium 3. Hydrogenation of (4S)-4-methyl-1-hexyne with Lindlar catalyst 4. Hydrogenation of (3S)-3-methyl-1-pentyne with Lindlar catalyst 5. Which of the above four reactions does not provide optically active products? Provide the IUPAC names of the reactants that would react with HgSO4, and H2SO4 under oxymercuration-demercuration conditions to provide the the following compounds A-F. 1. Reactant...
Draw the alkane formed when 4,5,5-trimethyl-1-hexyne is treated with two equivalents of HBr. Draw the alkane formed when 4, 5, 5-trimethyl-1-hxyne is treated with two equivalents of HBr.
8. Name the following: CH2 CH3 a) 1-hexyne b) 2-ethynylbutane c 3-methyl-1-pentyne methyl-4-pentyne 4-methyl-5-pentyne
How many distinct eight-carbon hydrocarbon products would be formed in the complete hydrogenation of a mixture of 1-octyne, 2-octyne, and 3-octyne, in the presence of a palladium catalyst? نیا دن ف 00 Ow Ans. 8. Identify the expected major product from the treatment of 1-pentyne with 2 equivalents of HBr. B. 1-bromo-1-pentene 2-bromo-1-pentene 1,1-dibromopentane 2,2-dibromopentane 1,2-dibromopentane D. E.
Name the following compound CECH CH,CH2CHCHs O 3-ethyl-1-butyne 3-methyl-1-pentyne O 3-methyl-4-pentyne O 2-ethynebutane O 1-hexyne
Name the following: СН2СН3 | CH3-C-CEC-H H A. 3-methyl-1-pentyne B. 2-ethyl-3-butyne OC. 1-hexyne OD.3-methyl-4-pentyne E. 2-ethynyl butane
B3: The following optically active oone optically active, one with no optical ac alkene, upon hydrogeraito explain this observation. n, yields two 4 pts H2 2 different products Pd/C CH3 B4: 1,3-butadiene, when treated with HBr, gives a mix of two product neither of which is 4-bromobut-1-ene. Predict both these products using mechanism that involves a single carbocation intermediate: 4 4-bromobut-1-ene Anot formed! HBr C5: Terminal alkynes are moderately acidic synthetically. When pent-1-yne is treated with a strong base [sodium...
Would you expect the Friedel-Crafs reaction of a benzene with (S)-2-chlorobutane to yield an optically active or racemic product. Explain your answer.
How many stereoisomers are possible for 3-methyl-l,2-cyclohexanediol? Name the stereoisomers formed by oxidation of (S)-3-methylcycloliexene with osmium tetroxide. If there is only one stereoisomer formed, leave the second space blank. Isomer #1:_____________________Isomer #2:_____________________Is the product formed in step optically active?
3.2 An optically active carboxylic acid, (s) 2-phemypropanoic acid, is brominated treatment with 1) PBrs. Bra; 2) Hzo) under Hell-Wolhard-Zelinski conditions. Wili me product which s formed in the reaction be optically active or racemic? Explain yaur prediction in detain 3.3 The following synthetic route does not produce the desired product. Explain what is wrong with the reaction CO2Et CH3CHCO2Et 2) PhBr 3) Hyde heat