17. What is the Aldol addition product formed from reaction of the following compound with itself? О O IV م Br NaOEt, EtOH 84 8 III 1 point

What starting material is needed to synthesize the following reaction? Aldol condensation ?? H

18en the folbwng sequence of reac ond what wo structure of compound AT D (CH,,CULI 2) H,0 HN-CH, H,0 Select one 2.Wnchufthfollewine.comectly represert eet the stepm the rechnsnetamad altalcardensation react

Draw the mechanism ffrom benzaldehyde to this using:   i)NaBH4 ii)TsCl, py iii)NaCN iiii)H+, H2O

What combination of reagents can be used to make the following substance via an enamine? .&.Y.O Lay 11 B o o o o IV 8 + FO NH₂ 01 Oll II OIV O None of these reagents can be used.

15. Which of the following would react fastest in an elimination reaction using NaOMe/MeOH? First choice: Second choice: A OTS Br B C Br of D

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Please don't provide handwritten solution

4. Predict the products for the following enolate reactions. a) LDA b) MeBr a) 0.95 equiv LDA RT b) MeBr a) 1.1 equiv LDA -78 C b) c) H3O+ H

9) What is the product of the following intramolecular aldol condensation reaction? KOH, CH;OH H, H. heat CHO CHO B) D) A) D B) C C) A D) B