option A is correct
Explanation: Reaction of organolithium reagent with aldehyde produces secondary alcohol as product.
3) Which of the following pairs of reagents would you use to prepare 4-methyl-2-pentanol? 3) who...
U.IUTUMIS 1. Write out the synthesis showing all the necessary reagents. (8) a. Prepare 3-ethyl-3-pentanol from 3-ethyl-2-pentene. b. Prepare 3-ethyl-2-pentanol from 3-ethyl-2-pentene. c. Prepare 2-methyl-1,2-epoxypropane from 2-methyl-1-propanol. d. Prepare trans-1,2-dichlorocyclohexane from cyclohexyl chloride.
4. Using 2-propanol as your only source of carbon, show how you would prepare 2-methyl- 2-pentanol.
4. Using 2-propanol as your only source of carbon, show how you would prepare 2-methyl- 2-pentanol.
What is the IUPAC name of the following compound? OH (S)-2-methyl-4-pentanol (R)-2-methyl-4-pentanol (R)-4-methyl-2-pentanol (S)-4-methyl-2-pentanol
Which of the following compounds would not reduce K2Cr207? pentanol O2-pentanol 1-methyl cyclopentanol O2-methyl cyclopentanol cyclopentanol
14. Which of the following reagents should be used to prepare tert-butyl ethyl ether a) tert-butyl bromide and sodium ethoxide b) tert-butyl alcohol and ethyl bromide c) tert-butyl alcohol and ethanol d) potassium tert-butoxide and ethyl bromide 15. What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4 16. What product is formed when methyloxirane is treated with ethylmannesium bromide followed by treatment with aqueous acid? A) 1-pentanol B) 2-pentanol C)...
1) What are the products of the following sequence of reactions? Write the structure of the intermediates (reaction with Mg), and the structure of the final product. 1) Mg, Diethyl ether Н,о A Br A) 2-butanol and MgHBr C) butane and Mg(OH)Br B) butane and MgHBr D) 2-butanol and Mg(OH)Br 2) What is the major product of the following reaction? Write the structures of intermediates and the products. 2) Mg, Diethyl ether 1. Н.С-о 2. H20* Br B) 2-ethyl-1-pentanol D)...
1. Draw the structures of the following compounds: a. 3-ethyl-4-methyl-2-hexene b.2-chloro-butyl acetate c. Ethylbenzene d. 2-methyl-3-pentanol e. 2-methylpropyl methyl ether 2. A) Distinguish between photodissociation and photoionization B) Use energy requirements of these two processes to explain why photodissociation of oxygen is more important than photoionization of oxygen at altitudes below about 90 km.
8.68 Identify what reagents you would use to achieve each transformation: (a) Conversion of 2-methyl-2-butene into a secondary alkyl halide (b) Conversion of 2-methyl-2-butene into a tertiary alkyl halide (c) Conversion of cis-2-butene into a meso diol (d) Conversion of cis-2-butene into enantiomeric diols
chemical equations, showing all necessary reagents, for the preparation of 2-pentanol a. Use of a Grignard by each of the following methods: b. Use of ethylene oxide chemical equations, showing all necessary reagents, for the preparation of 2-pentanol a. Use of a Grignard by each of the following methods: b. Use of ethylene oxide