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OMe OMe NO₂ NO₂ HCI 40 °C A A A

OMe OMe NO₂ NO₂ HCI 40 °C A A A

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Complete the following reactions in the boxes provided giving the major product of each
reaction.

 

The image contains four chemical reactions represented schematically. Each reaction includes starting materials, reagents, conditions, and empty boxes for products. Here’s a detailed breakdown: 1. **First Reaction:** - **Starting Material:** A compound featuring a benzene ring attached to a one carbon group with a double bond (styrene). - **Reagent:** HCl - **Condition:** 40°C - **Product Box:** Empty 2. **Second Reaction:** - **Starting Materials:** - The same compound as above (styrene) - A compound with a carbonyl group (acetone) - **Condition:** Heat (triangle symbol indicates heat is applied) - **Product Box:** Empty 3. **Third Reaction:** - **Starting Materials:** - A cyclic ether with a methoxy group (methoxytetrahydrofuran) - An alkene with a nitro group (nitroethylene) - **Condition:** Heat - **Product Box:** Empty 4. **Fourth Reaction:** - **Starting Materials:** - A cyclic ether with a methoxy group (similar to the one in the third reaction) - A benzene ring with a nitro group (nitrobenzene) - **Condition:** Heat - **Product Box:** Empty These diagrams show various organic reactions where reagents and conditions are specified, but products are not depicted. Typically, such representations are used in educational settings to illustrate reaction frameworks, leaving the identification or prediction of products for student analysis.
Transcribed Image Text:The image contains four chemical reactions represented schematically. Each reaction includes starting materials, reagents, conditions, and empty boxes for products. Here’s a detailed breakdown: 1. **First Reaction:** - **Starting Material:** A compound featuring a benzene ring attached to a one carbon group with a double bond (styrene). - **Reagent:** HCl - **Condition:** 40°C - **Product Box:** Empty 2. **Second Reaction:** - **Starting Materials:** - The same compound as above (styrene) - A compound with a carbonyl group (acetone) - **Condition:** Heat (triangle symbol indicates heat is applied) - **Product Box:** Empty 3. **Third Reaction:** - **Starting Materials:** - A cyclic ether with a methoxy group (methoxytetrahydrofuran) - An alkene with a nitro group (nitroethylene) - **Condition:** Heat - **Product Box:** Empty 4. **Fourth Reaction:** - **Starting Materials:** - A cyclic ether with a methoxy group (similar to the one in the third reaction) - A benzene ring with a nitro group (nitrobenzene) - **Condition:** Heat - **Product Box:** Empty These diagrams show various organic reactions where reagents and conditions are specified, but products are not depicted. Typically, such representations are used in educational settings to illustrate reaction frameworks, leaving the identification or prediction of products for student analysis.
Expert Solution
Step 1: Reactions of dienes

For the first reaction diene reacts with HCl at 40°C this leads to the 1,4-addition of conjugated alkene. 

For the rest reactions of alkene they will follow Diels-Alder reaction i.e. [4+2] cycloaddition. 

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