When starting with alkenes fewer than six carbon atoms as the only source of carbon, the synthesis of the given compounds involves many steps. The beginning of the synthesis is provided below. Br₂ Br Br NaNH, (excess) B Br Using the list below, identify the reagent(s) that correspond to each letter in the reaction scheme: Reagent(s) A V and Reagent(s) B ✓ Reagent(s) C 1. H₂, Pt 2. NaNH2 3. HC=CNa 4. 1) 03; 2) DMS 5. H₂, Lindlar's cat. 6. 1) R₂BH; 2) H₂O2, NaOH 7. HBr, ROOR 8. 1) xs NaNH2; 2) H₂O 9. H₂SO4, H₂O, HgSO4

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**Alkene Synthesis Pathway and Reagent Identification**

When starting with alkenes fewer than six carbon atoms as the only source of carbon, the synthesis of the given compounds involves many steps. The beginning of the synthesis is provided below.

### Reaction Pathway Diagram

1. **Step 1**: An alkene reacts with Br₂, resulting in the formation of a dibromide.
2. **Step 2**: The dibromide compound undergoes elimination with excess NaNH₂, generating an alkyne.
3. **Step 3**: The alkyne undergoes partial hydrogenation (or another reaction) leading to compound A.
4. **Step 4**: Compound A undergoes further bromination and another set of reactions such as elimination or hydrogenation forming compound B.
5. **Step 5**: Compound B undergoes additional transformations to yield compound C.

### Identifying Reagents

Using the list below, identify the reagent(s) that correspond to each letter in the reaction scheme:

**Reagents List:**
1. H₂, Pt
2. NaNH₂
3. HC≡CNa
4. 1) O₃; 2) DMS
5. H₂, Lindlar’s cat.
6. 1) R₂BH; 2) H₂O₂, NaOH
7. HBr, ROOR
8. 1) xs NaNH₂; 2) H₂O
9. H₂SO₄, H₂O, HgSO₄

### Select Corresponding Reagents:

**Reagent(s) A**: [Dropdown Options]

**Reagent(s) B**: [Dropdown Options]

**Reagent(s) C**: [Dropdown Options]

---

This educational exercise helps students understand the multi-step process involved in converting alkenes into various hydrocarbon derivatives. By identifying the appropriate reagents for each step of the synthesis, learners can gain a deeper appreciation of organic synthesis pathways and reaction mechanisms.
Transcribed Image Text:**Alkene Synthesis Pathway and Reagent Identification** When starting with alkenes fewer than six carbon atoms as the only source of carbon, the synthesis of the given compounds involves many steps. The beginning of the synthesis is provided below. ### Reaction Pathway Diagram 1. **Step 1**: An alkene reacts with Br₂, resulting in the formation of a dibromide. 2. **Step 2**: The dibromide compound undergoes elimination with excess NaNH₂, generating an alkyne. 3. **Step 3**: The alkyne undergoes partial hydrogenation (or another reaction) leading to compound A. 4. **Step 4**: Compound A undergoes further bromination and another set of reactions such as elimination or hydrogenation forming compound B. 5. **Step 5**: Compound B undergoes additional transformations to yield compound C. ### Identifying Reagents Using the list below, identify the reagent(s) that correspond to each letter in the reaction scheme: **Reagents List:** 1. H₂, Pt 2. NaNH₂ 3. HC≡CNa 4. 1) O₃; 2) DMS 5. H₂, Lindlar’s cat. 6. 1) R₂BH; 2) H₂O₂, NaOH 7. HBr, ROOR 8. 1) xs NaNH₂; 2) H₂O 9. H₂SO₄, H₂O, HgSO₄ ### Select Corresponding Reagents: **Reagent(s) A**: [Dropdown Options] **Reagent(s) B**: [Dropdown Options] **Reagent(s) C**: [Dropdown Options] --- This educational exercise helps students understand the multi-step process involved in converting alkenes into various hydrocarbon derivatives. By identifying the appropriate reagents for each step of the synthesis, learners can gain a deeper appreciation of organic synthesis pathways and reaction mechanisms.
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