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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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Propose a sythesis for the compound below from the reagent list below.

This image depicts a chemical reaction.

### Reactants:
- The structure on the left is a cyclohexane ring with two hydroxyl (OH) groups attached. One OH group is attached to the first carbon atom, and the other to the second carbon atom in an equatorial position.

### Products:
- The structure on the right shows a cyclohexane ring with an additional heterocyclic ring attached, containing two oxygen atoms. This forms a dioxolane ring.

### Explanation:
- The reaction illustrates the transformation of a diol (a molecule with two hydroxyl groups) into a cyclic acetal. This is likely the result of an acid-catalyzed cyclization, where the diol reacts to form a five-membered dioxolane ring, a common protecting group for diols in organic synthesis.

This diagram is an example of how functional groups in organic chemistry can be manipulated to form more complex structures.
Transcribed Image Text:This image depicts a chemical reaction. ### Reactants: - The structure on the left is a cyclohexane ring with two hydroxyl (OH) groups attached. One OH group is attached to the first carbon atom, and the other to the second carbon atom in an equatorial position. ### Products: - The structure on the right shows a cyclohexane ring with an additional heterocyclic ring attached, containing two oxygen atoms. This forms a dioxolane ring. ### Explanation: - The reaction illustrates the transformation of a diol (a molecule with two hydroxyl groups) into a cyclic acetal. This is likely the result of an acid-catalyzed cyclization, where the diol reacts to form a five-membered dioxolane ring, a common protecting group for diols in organic synthesis. This diagram is an example of how functional groups in organic chemistry can be manipulated to form more complex structures.
**Reagents (not necessarily a complete list):**

- **PCC**
- **1. OsO₄; 2. KHSO₃**
- **MsCl (or TsCl), pyridine**
- **1. LiAlH₄; 2. H₃O⁺**
- **NaH**
- **SOCl₂**
- **TBDMS-Cl or TMS-Cl, Et₃N**
- **1. RSH, H⁺; 2. Raney Ni**

---

- **1. Hg(O₂CCF₃)₂, ROH; 2. NaBH₄**
- **POCl₃, pyridine**
- **PBr₃**
- **1. RMgX or RLi; 2. H₃O⁺**
- **NaBH₄**
- **mCPBA**
- **CrO₃, H₂SO₄, H₂O**
- **H⁺, ROH**
- **NaIO₄**
- **HX (X = Halogen)**

---

- **X₂**
- **1. Hg(OAc)₂, H₂O; 2. NaBH₄**
- **1. H⁺, H₂NNH₂; 2. NaOH**
- **H₂, Lindlar’s catalyst**
- **NaNH₂**
- **1. O₃; 2. Zn, HOAc**
- **1. BH₃-THF; 2. H₂O₂, NaOH**
- **H₂, Pd/C**
- **1. O₃; 2. H₂O**
- **Na, NH₃**
Transcribed Image Text:**Reagents (not necessarily a complete list):** - **PCC** - **1. OsO₄; 2. KHSO₃** - **MsCl (or TsCl), pyridine** - **1. LiAlH₄; 2. H₃O⁺** - **NaH** - **SOCl₂** - **TBDMS-Cl or TMS-Cl, Et₃N** - **1. RSH, H⁺; 2. Raney Ni** --- - **1. Hg(O₂CCF₃)₂, ROH; 2. NaBH₄** - **POCl₃, pyridine** - **PBr₃** - **1. RMgX or RLi; 2. H₃O⁺** - **NaBH₄** - **mCPBA** - **CrO₃, H₂SO₄, H₂O** - **H⁺, ROH** - **NaIO₄** - **HX (X = Halogen)** --- - **X₂** - **1. Hg(OAc)₂, H₂O; 2. NaBH₄** - **1. H⁺, H₂NNH₂; 2. NaOH** - **H₂, Lindlar’s catalyst** - **NaNH₂** - **1. O₃; 2. Zn, HOAc** - **1. BH₃-THF; 2. H₂O₂, NaOH** - **H₂, Pd/C** - **1. O₃; 2. H₂O** - **Na, NH₃**
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