3. Consider the following molecules and rank them in terms of effectiveness (or stability) of carbocation...
3. Rank the following alkenes in order to increasing stability 4. Draw the mechanism for the following E2 reactions. Br Br pt + CH, ONa CH, ONA —-
3. Rank the following radicals in order of stability and reactivity m o o uhi Stability Reactivity 4. If the following molecules undergo radical chlorination, which position will be more likely to be chlorinated? Add a chlorine where it belongs. tond 5. Draw a mechanism for the reaction of polymerization of chloroethylene, initiated by Ch gas and UV light. n ci
3. Rank the following alkenes in order to increasing stability. 4. Draw the mechanism for the following E2 reactions a) - Br Br ΕΙ WE + CH, ONa -ONa
3. Rank the following alkenes in order to increasing stability. 4. Draw the mechanism for the following E2 reactions a) - Br Br ΕΙ WE + CH, ONa -ONa
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...
Rank the following alkenes in order to increasing stability. Lolype of alcohol 3° 2° >> 10 conditions requires relatively harsh conditions Et de v It-Bude * bulky basé 3. Rank the following alkenes in order to increasing stability. 4. Draw the mechanism for the following E2 reactions, HA - Br I ( + CH3ONa "ph Ph E
1. (3 pts. each) For each of the following sets, rank their relative stability from 1 to 3 where 1 is most stable and 3 is least stable CHs H3C H3C CH2CH3 CH2CH3 CH2CH3 CH-CH3 CH3 CH3 CH2CH3 На CH3 CH3 ,C(CH3)3 C(CH3)3 C(CH3)3 2. (3 pts) In any of the linear molecules above, find and label a pair of substituents that are "gauche" to each other. Label another pair that is "anti." Clearly label the pair n, cirele an...
3. Assign Rors configuration to the following molecules: - Br Br F Br -CH CH.CH H CH2CHE CH2CH CH, CH -CH, OH H -CH=CH2 H3C 7 Сн, HI CH(CH3)2 4. Label each pair of stereoisomers below as A,B,C,D a. Enantiomers b. Diastereomers c. Identical d. Meso Compounds u 5. Write the complete stepwise mechanism for this reaction. Show all electron flow with arrows and show all intermediate structures. (10 Points) BE CHO -Br (or CI) Br
Can you please answer all of them? Section B: Free Response (you must show your work for full credit) 1. Draw Frost circle diagrams for each compound shown. Assume that all atoms in the ring are sp2 hybridized. Populate the pi electrons in the corresponding MO's. Identify the compound as aromatic or antiaromatic. (5 pts) 2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect...
Consider the following reaction: OH HC H.SO CH, + ОН Δ Show the complete mechanism for the following transformations. Make sure to show all arrows depicting the movement of electrons. The above reaction (using acid and heat) causes a number of unwanted side products to form (a big mess). Propose a better synthesis for the product using the same starting materials. Show the reagents and intermediate steps to complete the synthesis: OH H3C- ??? + CH3 OH X steps Propose...