any of four structua 4. (18 pts total) Butylbromide is the common name of having the...
can you plz explain how to solve question 1&2?
N-bomo soccinamide NBS)-usel speifilly for ally lic bonnction 1. (16 points) The molecule shown below, 3-ethyl-4-methylenehexane, is subjected to free-radical mono-bromination. a) How many products could be obtained? b) Draw the bond-line structure for the major product c) In the space below, provide the complete mechanism using the arrow notation, for th formation of the major product shown is part b above. HINT A steady and low concentration of bromine is...
(4 pts each, unless otherwise noted, 45 pts total) 10-18. Syntheses: draw / provide the likely organic product(s) generated in each of the reactions (or reaction sequences) below. As appropriate, pay attention to regiospecificity (new bond formation and location in the product formed) and stereochemistry (direction in space of new bond(s) formed). Indicate ALL likely products: where one product does not predominate, label / indicate the MAJOR or predominant product(s). Where a product mix results, indicate the MINOR or TRACE...
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable and 4 least stable). н н сH н Н,с Н,с" H сH; CH3 Hас- H 2. (6 pts total; 2 pts each) Complete the following transformations by indicating the reactant structure or the major organic product(s). Place your answer(s) in the space provided. Be certain to indicate stereochemistry where applicable. Cl2 Он cat. H2SO H-о Br Br conc. HBra) сн сна 3. (10 pts...
(4 pts each, unless otherwise noted, 47 pts total) 9-17. Syntheses: draw / provide the likely organic product(s) generated in each of the reactions (or reaction sequences) below. As appropriate, pay attention to regiospecificity (new bond formation and location in the product formed) and stereochemistry (direction in space of new bond(s) formed). Indicate ALL likely products; where one product does not predominate, label / indicate the MAJOR product(s). Where a product mix results, indicate the MINOR or TRACE product(s). (12...
4. Multiple Choice Place your answer in the space provided. (2 pts. each; 12 pts. total) Which is NOT true of the aldol condensation? A. It accomplishes the formation of a new carbon-carbon bond B. The enolate is favored at equilibrium (assume NaOH as the base) C. The key step is the mechanism is attack of the enolate ion on a carbonyl carbon atom D. Dehydration of the aldol product is often observed and is irreversible. _Which sets of hydrogen...
1. [10 pts] Consider the elimination reaction for the following alkyl halide with sodium methoxide in methanol (Na* OCH, CH,OH). CH NaOme MeOH CH Compound A Problem 2c Draw the major expected organic product (a) Redraw Compound A as seen in Viewpoint I below left as a Newman projection on the template provided in Problem 2a (below). Hint: Fill in missing Hs ar C2 and C3 to help you get started! (b) Rotate the C2 C3 bond to obtain the...