OH Select to Draw Q X CH3CH₂C(O)CI (1 equiv) AICI 3 1. CH3MgBr 2. H3O+ 3. Select to Draw Cl₂ AICI 3 Select to Draw

Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the first step of this reaction sequence. Be sure to account for all bond-breaking and bond- making steps. I H BH₂ H B H Select to Add Arrows > H Bll H BH₂

← Curved arrows are used to illustrate the flow of electrons. Using the provided starting structure, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps. Then draw the organic product of this reaction. Include all lone pairs in the structures. Ignore inorganic byproducts and counterions. I :O: HIN: Select to Add Arrows I H 1 eq. HCI 1 R 1 H I ci

Complete the mechanism for the keto-enol tautomerization shown using bonds, charges, nonbonding electron pairs, and curved arrows (forward reaction only). Do not delete any pre-drawn bonds, charges, or lone pairs. If you accidentally delete a vital part of the structure, click the undo button in the lower left. Step 1: keto form. Draw curved arrows. Step 2: complete the structure, then add curved arrows. Select Draw Rings More Erase Select Draw Rings More Erase H H - H :0: :0: :o: 1L :o:

Complete synthesis, show reagents and intermediate compounds.

Show the product of each synthetic step. Draw mechanisms. Ph OH 1) NaH, then coa Br 2) DIBAH, then aq. workup 3) Ph₂P=CH₂ Ph 2 Grubbs catalyst Ph 3

Draw the major product of this reaction. Ignore inorganic byproducts. 1. NaNO2, H2SO4 2. H+, H2O, heat Select to Draw L NH2

Complete the following reactions with the missing reagent(s) or major product(s).. NaBH, HO

Curved arrows are used to illustrate the flow of electrons. Using the provided starting structure, draw the curved electron- pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. Then draw any missing organic intermediates or products for this reaction. Include all lone pairs in the structures. Ignore inorganic byproducts, counterions, and solvents. Select to Add Arrows Br2 Please select a drawing or reagent from the question area