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.

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

Modify the given copies of the starting materials to draw the two ß-hydroxyaldehydes formed by mixed aldol reactions. H,C Edit Drawing ui A H₂C

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