**Title**: Analysis of Chemical Reactions with a Common Substrate **Introduction**: In the study of organic chemistry, it's crucial to understand how a single substrate can lead to different products depending on the reaction conditions. Below is an analysis of two reactions involving the same substrate but resulting in different major products. **Text**: For the first reaction shown below, only one major product is formed. However, the same substrate forms two major products in the conditions of the second reaction. 1. **Propose the products for each reaction.** 2. **Name mechanisms for each reaction. Draw mechanisms to account for the formation of these products.** 3. **Explain the reason for the difference in products between the two reactions.** **Diagrams and Chemical Structures**: 1. **Reaction 1**: - A cyclohexane ring with a chlorine atom attached (drawn in a zigzag form to represent the structure). - Reaction conditions: NaOme (sodium methoxide) in DMSO (dimethyl sulfoxide). 2. **Reaction 2**: - The same cyclohexane ring with a chlorine atom attached. - Reaction conditions: MeOH (methanol). **Discussion**: - Analyze how the choice of solvent and nucleophile affects the outcome of reactions. - Consider factors like elimination vs. substitution based on reaction conditions. - Provide a detailed mechanism for each reaction, illustrating the step-by-step transformation of the substrate into products. **Conclusion**: Understanding these reactions allows us to predict the outcomes based on various chemical conditions, which is essential for practical applications in synthesis and industrial chemistry processes. **Transcription and Explanation for Educational Website** --- **Chemistry Problem: Mechanisms and Products of Solvolysis** When the following compound undergoes solvolysis in methanol, five products are obtained, including stereoisomers. Only two are optically active. **Tasks:** 1. **Propose the Products:** - Identify and describe the possible products formed during the solvolysis of the compound in methanol. 2. **Draw Mechanisms:** - Illustrate the mechanisms accounting for the formation of the products. Use curved arrows to clearly indicate bond breaking and forming processes. 3. **Name the Mechanisms:** - Specify the reaction mechanisms involved, considering the factors: - Substrate - Nucleophile - Base - Solvent - Leaving group **Compound Structure:** - The compound is represented by a skeletal formula with a 4-carbon chain, a bromine (Br) substituent, and a methoxy group (CH₃OH) indicated as the solvent for solvolysis. **Analysis:** - Examine the structure to evaluate possible reactions: - Consider the stability of carbocations and rearrangements. - Assess the optical activity of different stereoisomers formed. - Analyze how methanol, acting as both a solvent and a nucleophile, interacts with the substrate. This exercise helps in understanding the nuances of reaction mechanisms and the factors influencing solvolysis reactions, especially in terms of stereochemistry and product distribution.