3. For each of the chemical substitution reactions below Identify the product(s) (show stereochemistry where necessary)...
1. For the following reactions, show the major organic product(s) in the box provideed. Make sure to show appropriate stereochemistry wherever necessary. Underneath the box, mention the mechanism (SN1, El, S2, or E2) that leads to the major products and also show the arrow pushing mechanism. Understand that the compound listed below the arrow is solvent. (a) Br O Na DMSO Mechanism: (b) NaOH Н-о Mechanism: Organic Chemistry C341 (e) CHCH Oн 4 Mechanism: (d) NaOMe E1OH Mechanism: (e) BeOK...
1. Predict the product(s) of the following SN2 reactions and include stereochemistry where necessary. Br КОН NaOCH DMSO
3. For each reaction, draw the structure of the major product(s) including stereochemistry where appropriate. Fill n the box below each arrow with the mechanism(s) that will be followed (SN1/E1, SN2, or E2). For SN1/E1 reactions, draw products for both. NaCN DMF tBuOH 言言言 MeOH * | CH30 CH OH DMSO R-2-bromopentane
1. Predict the major product of the reaction. Clearly indicate stereochemistry, if necessary (3 pts) Ph H2 Lindlar cat. hexanes Me 2. Provide reagents to achieve the shown multi-step transformations. (6 pts) Br CH 3. Draw a detailed arrow-pushing mechanism for the following transformation. (4 pts) OME B OMe Me Me NaOH H2O2 Me Me H
Give the product of the following reaction, indicate the mechanism type(s), state whether a solution of the product would be optically active or not, give a BRIEF explanation Br: MeOH boil Give a full curved-arrow pushing mechanism fro the following reaction, label the Lewis and Bronsted acids/bases for all bimolecular reactions as appropriate. CHO: CH3OH heat Give a full curved arrow mechanism for the following reaction, indicate LB/LA/BB/BA for each bimolecular as appropriate, and give a reaction energy diagram. State...
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(2 pts) Draw the major elimination products and Identify the mechanism responsible (E1 or E2). If both E and Z isomers form, only draw the E alkene. If only one isomer forms, label the alkene "E,""Z," or neither 1. NaOCH3 а. Br НОСHЗ b. НОСНЗ C. CI NaOCH3 d. (6 pts) Draw the substitution and/or elimination product(s) for the following reactions and identify 2. the mechanism responsible (SN1, SN2, E1, or E2) for each product drawn....
3. (continued) For each reaction, draw the structure of the major product(s) including stereochemistry where appropriate. Fill in the box below each arrow with the mechanism(s) that will be followed (SN1/E1, SN2, or E2). For SN1/E1 reactions, draw products for both. g) Сн,сн,он h) CH2O- Na CH3OH i) Me. Br A Eto Nat Me
For each of the following substitution reactions, use the available information to identify the one, most likely mechanism (SN1 vs. SN2), then draw all of the predicted products (labeling major/minor products as necessary). Be sure to provide adequate justification for your responses. 3. но warm Ci a. CH3ONa CH3OH Br b. 4. Draw a step-by-step mechanism that accounts for the following SN1 reaction: CI CH3CH2OH warm OCH2CH3
2. For each of the chemical substitution reactions below identify the major products and whether the reaction is likely an SNI or SN2. Br NaCN ethanol-water CH,OH /H,0 Nal (1 equiv) acetone CH,CH,OH 25°C 3. For each of the following compounds provide appropriate reactants and solvent systems to synthesize them by a substitution reaction. Show which type of substitution: Syl or SN2. SH
In each reaction Predict the major organic product(s). Where
necessary show appropriate stereochemistry and regiochemistry. DO
NOT DRAW THE MECHANISM!
1) Br/FeBr 2) Separate p-isomer 3) CH3CH2B(OR)2/PdL2/NaOH 4) KMnO4/NaOH/A 5) H 0 1) Br2/FeBr3 2) Separate p-isomer 5) H30 3) CH3CH2B(OR)2 4) KMnO4/NaOH/A PdL2/NaOH C. C.