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Chem 202, Fall 2019 Homework Packet 8 (Resonance and Aromaticity) 4. Reaction Fill-ins! Predict the product(s)...
4. Reaction Fill-ins! Predict the product(s) OR starting material of the following reactions. Remember Hydride shifts a...
4. Reaction Fill-ins! Predict the product(s) OR starting material of the following reactions. Remember Hydride shifts are possible if when a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes. H2SO4 (cat.), H20 а. 1.4-product 1.2-product Br Br HBr b. Br Major product Minor produt Minor product HCI C. 1,2-product 1,4-product HI он MAJOR prod Minor prod. e. Draw the FULL electron-pushing mechanism for the reaction in part a above, INCLUDING ALL resonance...
4. Reaction Fill-ins! Prediet the product(s) OR starting material of the following reactions. Remember, Hydride shifts...
4. Reaction Fill-ins! Prediet the product(s) OR starting material of the following reactions. Remember, Hydride shifts are possible ifwhen a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes H,SO, (cat), H,о а. 1,2-product 1,4-product Br Br HBr b. Br Minor produt Major product Minor product HCI C. 1,2-product 14-product HI Он MAJOR prod. Minor prod e. Draw the FULL electron-pushing mechanism for the reaction in part a above. INCLUDING ALL resonance contributors....
Chem 202, Fall 2019 Homework Packet 8 (Resonance and Aromaticity) 3. PRACTICE WITH A TON OF...
Chem 202, Fall 2019 Homework Packet 8 (Resonance and Aromaticity) 3. PRACTICE WITH A TON OF RESONANCE CONTRIBUTOR EXAMPLES Draw the resonance contributors for the species/molecules shown in the boxes below. Then, indicate which species (if any) is the MAJOR contributor towards the resonance hybrid (most stable). oCH осн,- d. 1
Chem 202, Fall 2019 Homework Packet 9 (Carboxylic Acid Derivatives) 2. Reactivity of Carboxylic Acid Derivatives...
Chem 202, Fall 2019 Homework Packet 9 (Carboxylic Acid Derivatives) 2. Reactivity of Carboxylic Acid Derivatives a. Rank the following carboxylic acid derivatives in order from LEAST reactive to MOST reactive when they undergo nucleophilic acyl substitution reactions: — '— ' la do lan loons obe OCH3 b. Justify your answer thoroughly in words. Your explanation should include, if applicable, definitions and explanations that cover leaving group ability, conjugate acid strengths, pKa values, etc. 4. Amide Formation Mechanism: Draw the...
Chem 202, Autumn 2019 Homework Packet 10 (Aldehydes and Ketones) 6. Reaction Fill-ins. Predict the product(s)...
Chem 202, Autumn 2019 Homework Packet 10 (Aldehydes and Ketones) 6. Reaction Fill-ins. Predict the product(s) OR starting material of the following reactions. Put your answers in the indicated boxes. NaOCI CH3COOH 1. NaBH4 2. H3O+ MgBr 2. Hz0+ H2Cr04 e. YYOH HyCros NaOCI OH CH3COOH 4 Page
Thank you! Chem 202, Summer 2020 Homework Packet 5 part 2 (Subt and Elim Reactions) 5....
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Chem 202, Summer 2020 Homework Packet 5 part 2 (Subt and Elim Reactions) 5. Alcohol Reactions Predict the product(s) OR starting material of the following reactions. Remember, Hydride shifts are possible if/when a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes (only organic molecules HCI a H20 H2SO4 (cat.) b. + H2O Δ MAJOR product Minor product H,904 (cat.) + H2O HBr d. + H20 OH A MAJOR product Minor...
4. Reduction Mechanism. Draw the major product for the reduction reaction below in the box. Then,...
4. Reduction Mechanism. Draw the major product for the reduction reaction below in the box. Then, draw the proper FULL electron-pushing mechanism for the reaction, including ALL intermediates (with formal charges) and electron pushing arrows. Label the Electrophile and Nucleophile in each step! 1. NaBH4 2. H30+
CHEM 201 Fall 2019 CH 6 Homework 12) Provide the major organic product of the reaction below CH HyC CHCH 13) Provid...
CHEM 201 Fall 2019 CH 6 Homework 12) Provide the major organic product of the reaction below CH HyC CHCH 13) Provide the structure of the major organic product in the following reaction SCH aceton 14) Draw the structure of the transition state in the solvolysis of (CH3Cl in CH3OH. Label with partial charges as appropriate. 15)_1 15) When ionization occurs at the stereocenter of a chiral compound, the resulting carbocation is A) optically active. B) achiral. C) chiral. D)...
8) Predict the product(s) of the following E2 reaction. Be sure to include solid wedges and...
8) Predict the product(s) of the following E2 reaction. Be sure to include solid wedges and dashed es on your product(s). Use conformational structures (the templates below) to show the mechanism and explain your reasoning Br CHCH ONa CH CH2OH, 70 °C Explanation(s): 9) Consider the E1 reaction of (3S)-3-bromo-2,3-dimethylpentane to form alkenes a) Draw the structure of the haloalkane (be sure to include stereochemistry). Clearly label any chiral carbon atoms with an asterisk ). b) Draw the structures of...
4. Reaction Fill-ins! Predict the product(s) OR starting material of the following reactions. Remember Hydride shifts are possible if when a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes. H2SO4 (cat.), H20 а. 1.4-product 1.2-product Br Br HBr b. Br Major product Minor produt Minor product HCI C. 1,2-product 1,4-product HI он MAJOR prod Minor prod. e. Draw the FULL electron-pushing mechanism for the reaction in part a above, INCLUDING ALL resonance...
4. Reaction Fill-ins! Prediet the product(s) OR starting material of the following reactions. Remember, Hydride shifts are possible ifwhen a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes H,SO, (cat), H,о а. 1,2-product 1,4-product Br Br HBr b. Br Minor produt Major product Minor product HCI C. 1,2-product 14-product HI Он MAJOR prod. Minor prod e. Draw the FULL electron-pushing mechanism for the reaction in part a above. INCLUDING ALL resonance contributors....
Chem 202, Fall 2019 Homework Packet 8 (Resonance and Aromaticity) 3. PRACTICE WITH A TON OF RESONANCE CONTRIBUTOR EXAMPLES Draw the resonance contributors for the species/molecules shown in the boxes below. Then, indicate which species (if any) is the MAJOR contributor towards the resonance hybrid (most stable). oCH осн,- d. 1
Chem 202, Fall 2019 Homework Packet 9 (Carboxylic Acid Derivatives) 2. Reactivity of Carboxylic Acid Derivatives a. Rank the following carboxylic acid derivatives in order from LEAST reactive to MOST reactive when they undergo nucleophilic acyl substitution reactions: — '— ' la do lan loons obe OCH3 b. Justify your answer thoroughly in words. Your explanation should include, if applicable, definitions and explanations that cover leaving group ability, conjugate acid strengths, pKa values, etc. 4. Amide Formation Mechanism: Draw the...
Chem 202, Autumn 2019 Homework Packet 10 (Aldehydes and Ketones) 6. Reaction Fill-ins. Predict the product(s) OR starting material of the following reactions. Put your answers in the indicated boxes. NaOCI CH3COOH 1. NaBH4 2. H3O+ MgBr 2. Hz0+ H2Cr04 e. YYOH HyCros NaOCI OH CH3COOH 4 Page
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Chem 202, Summer 2020 Homework Packet 5 part 2 (Subt and Elim Reactions) 5. Alcohol Reactions Predict the product(s) OR starting material of the following reactions. Remember, Hydride shifts are possible if/when a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes (only organic molecules HCI a H20 H2SO4 (cat.) b. + H2O Δ MAJOR product Minor product H,904 (cat.) + H2O HBr d. + H20 OH A MAJOR product Minor...
4. Reduction Mechanism. Draw the major product for the reduction reaction below in the box. Then, draw the proper FULL electron-pushing mechanism for the reaction, including ALL intermediates (with formal charges) and electron pushing arrows. Label the Electrophile and Nucleophile in each step! 1. NaBH4 2. H30+
CHEM 201 Fall 2019 CH 6 Homework 12) Provide the major organic product of the reaction below CH HyC CHCH 13) Provide the structure of the major organic product in the following reaction SCH aceton 14) Draw the structure of the transition state in the solvolysis of (CH3Cl in CH3OH. Label with partial charges as appropriate. 15)_1 15) When ionization occurs at the stereocenter of a chiral compound, the resulting carbocation is A) optically active. B) achiral. C) chiral. D)...
8) Predict the product(s) of the following E2 reaction. Be sure to include solid wedges and dashed es on your product(s). Use conformational structures (the templates below) to show the mechanism and explain your reasoning Br CHCH ONa CH CH2OH, 70 °C Explanation(s): 9) Consider the E1 reaction of (3S)-3-bromo-2,3-dimethylpentane to form alkenes a) Draw the structure of the haloalkane (be sure to include stereochemistry). Clearly label any chiral carbon atoms with an asterisk ). b) Draw the structures of...
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