provide a detailed reaction mechanism for each of the
reactions below. use curved arrow notation to describe the flow of
electrons. you do not need to show resonance stabilization of
intermediates.
provide a detailed reaction mechanism for each of the reactions below. use curved arrow notation to...
6. (12 points total) Mechanism: Provide a detailed mechanism for the following reaction. Use curved arrows to show the movement of electrons. (Hint: Begin by drawing the resonance structure for the reagent over the arrow) from med arrows total) Mecha H2C=N=N O-H OCH3 NEN (gas) 7. (18 points total) Mechanism: Provide a detailed, stepwise mechanism for the following reaction. Use curved arrows to show the movement of electrons. O Me Me
provide a detailed curved-arrow mechanism to account for the transformation below and explain why the only products formed at high and low temperatures are the ones shown. Provide a detailed curved-arrow mechanism to account for the transformation below and explain why the only products formed at high and low temperatures are the ones shown. (Show all resonance contributors for all intermediates): ya +En. octh
Provide a detailed curved-arrow mechanism to account for the transformation below and explain why the only products formed at high and low temperatures are the ones shown. (Show all resonance contributors for all intermediates): HCl clay +En. ochz
B. Using curved arrow notation, draw the reaction mechanism and predict the product the reaction below. Show all reaction intermediates and account for stereochemical requirements. [6 MARKS) EtOna / EtOH ? OTS Heat
Present the products and give a detailed mechanism, using the curved arrow notation, for the following reactions:
4. Propose a detailed mechanism for the following reaction. You need to show using curved arrow notation how each of the products can be formed. 1-bromo-1-methylcyclopentane + methanol - cyclohexene + methoxycyclohexane + 1-methoxy-1-methyl cyclopentane + l-methylcyclopentene (4 different products)
A. Products and Mechanism 1. Draw a detailed step-wise mechanism using curved arrow notation for the following reaction: EtO E t 1. xs PhMgBr 2. HCI, H,0
5. [5 pts] Use curved-arrow notation to write out a detailed, step-wise mechanism for the reaction listed below. Be sure to (a) include all of your lone pairs, (b) include all formal charges, (c) draw your arrows neatly and precisely, and (d) enclose intermediates within square brackets. If you get stuck, number the atoms of your reactant and the corresponding atoms in your product to help recognize what bonds are made and broken! HBr r Mechanism: +4 +
Part III - Mechanism cont'd B. Using curved arrow notation, draw the reaction mechanism and predict the product the reaction below. Show all reaction intermediates and account for stereochemical requirements. [6 MARKS] or EtoNa / EtOH ? OTS Heat
Question 5 (37 pts.) Give a curved arrow pushing mechanism for the following reactions, and... 1) Show ALL important resonance contributors for all intermediates. 2) Add non-bonding electrons and C-H bonds to the line-angle structures as required. 3) Indicate the Lewis acid/.ewis base (LA, LB) at each step as appropriate, and whether they are also Bronsted acids/bases (LA/BA, LB,BB) 4) GIVE THE NUMBER OF STEPS IN YOUR MECHANISM H2O OH OH H.C-C-C-CHE CH, CH a) 10: CHỊ HẠC-C-C-CH - number...