Consider the reaction below. Understanding what you know about resonance stabilities provides the 2 possible carbocations...
2. Examine the following Electrophilic Aromatic Substitution reaction. 1) Provide the number of 13C NMR signals expected in both the reactant and the product. 2) Provide the carbocation intermediate that allowed the transformation to happen at that position. 3) This molecule is (ortho, meta, para) substituted (circle one). 4) Using resonance arrows show how that carbocation can be distributed (delocalized) to multiple locations on the arene ring system. 5) Predict a different structure that can form from this delocalization. FeBrg,...
Consider the reaction of 2-methyl-1,3-cyclohexadiene with HCI. Assuming that the reaction takes place at a very low temperature: (a) draw the intermediate and product structures, indluding any formnal charges. more stable resonance formless stable resonance form HCI CI CI Scroll down for parts (b) and (c) (b) What is the major product of the reaction at very low temperatures? O Both products are formed in equal amounts. O The 1,2-addition product O The 1,4-addition product. (c) Is the reaction under...
Consider the reaction of 2-methyl-1,3-cyclohexadiene with HCl. Assuming that the reaction takes place at a very low temperature: (a) draw the intemediate and product structures, including any formal charges. more stable resonance form less stable resonance form НC cr сг Cl Scroll down for parts (b) and (c). Cl Exit Next Try Again Give Up & View Solution Previqus (b) What is the major product of the reaction at very low temperatures? Both products are formed in equal amounts. O...
help Thank you 4. (10 pts) Draw all possible products for the following reaction including stereoisomers. Note that the addition occurs through a "syn" mechanism. Is the product solution optically active (yes or no)? 1. BAHATHF 2. NaOH, HO (8 pts) Provide a complete mechanism for the reaction below and include lone-pairs of electrons and formal charges. Show all products formed including stereoisomers. Is the product solution optically active (yes or no)? Bras 11. (8 pts) Draw all four regiochemical...
1. Provide the products of the reaction below and a detailed reaction mechanism using curved arrows to indicate the movement of electrons. (a) (b) КОН (c) Note that formation of 4- or 7-membered rings is disfavored. Hiyo KOH acidie workup 2. An interesting problem that involves a bit of review (imines and Grignard chemistry) and application of what you previously learned to a new reaction: The Carbon of an imine functional group (i.e. R.C-NR) is sufficiently electron deficient to be...
help as soon as possible b. How many products will be formed in the reaction below? (Do not show them) 1. NaOEVEIOH 2. Hyo What can you change, without altering the structures, to make only one product. selectively? Show the structure of that only product: 3. (10) Show in detail (e.g., order of addition) how you will synthesize the target and provide the full mechanism. (Hint: did you recognize the reaction?) some carbonyl compound+ needed reagents
Answer Questions below for points What is the major product of the reaction at very low temperatures? Both products are formed in equal amounts. The 1, 2-addition product. The 1, 4-addition product. Is the reaction under rate control or equilibrium control under the conditions stated above? The reaction is under rate control (kinetic). The reaction is under equilibrium control (thermodynamic). Unable to determine. Consider the reaction of 2-methyl-1, 3-cyclohexadiene with HCI. assuming that the reaction takes place at a very...
#2 what do you mean? 2. The Dieckman condensation reaction of ETO (CH)CH(CH)COOEt yields only one of the two possible cyclic beta-ketoesters. Draw structures of both possible products and explain why only one of them is formed. Product A Product B A The only product formed is (circle) Explain: Part 2: Michael addition 22.94 Identify the Michael door via a Michael addition Michael Michael Donor pare each of the following compounds Michael Acceptor
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products are formed when a strong electrophile is added to benzene?) Model 1: (review) Electrophilic Addition of HCI Rani o g cyclohexene carbocation intermediate Run 2 U X benzene This product carbocation intermediate DOES NOT Critical Thinking Questions 1 For Rxn I (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1:...
1. Consider the following substituted alkanes. Indicate if the molecule would prefer to undergo an SN1 reaction, an reaction, BOTH S1/E1 or neither: -BOK 2. Briefly explain why you selected what you did for question 1a, 1b, and 1c. 3. Provide the missing reactant(s) or product(s) as necessary for the following Sy1 reactions. Be sure to use wedges/dashes to indicate stereochemistry where relevant. осн. HOCH,CH, heat 4. Draw the complete mechanism for the following reaction. Include all lone pairs, formal...