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stereochem
2. Finish the four product structure drawings, including stereochemistry. OH Hey Oh NaOH (cat) O...
16.2 Gve the major product(s) of the following reaction H,O, cat. HA ? heat OH o...
16.2
Gve the major product(s) of the following reaction H,O, cat. HA ? heat OH o -OH OH H There is no reaction under these conditions or the correct product is not listed here. Give the major products) Torrowing CH, OH, cat. A 0 ? heat OH OH O to OMe OMe There is no reaction under these conditions or the correct product is not listed here. Gve the major product(s) of the following reaction HO, Col. HA ? co...
predict the product 1. (12 pts) Predict the product for the following transformation. OH OH 유 1.H2OH' HO 2. KH, 18-c-6, THF OH OH Br Ph OH OBn O 1. H20, H HO 2. O 、Me , cat. H+ Me 1. (1...
predict the product
1. (12 pts) Predict the product for the following transformation. OH OH 유 1.H2OH' HO 2. KH, 18-c-6, THF OH OH Br Ph OH OBn O 1. H20, H HO 2. O 、Me , cat. H+ Me
1. (12 pts) Predict the product for the following transformation. OH OH 유 1.H2OH' HO 2. KH, 18-c-6, THF OH OH Br Ph OH OBn O 1. H20, H HO 2. O 、Me , cat. H+ Me
step after each product of the the structure 5. Consider the three reaction sequences below (a, b & e) and draw Stereochemistry in the products should be clearly indicated in your drawings wh...
step after each product of the the structure 5. Consider the three reaction sequences below (a, b & e) and draw Stereochemistry in the products should be clearly indicated in your drawings when app your entire reaction sequence before you jump into any conclusions! Always make sure that the starting material and p reaction conditions! (24 points, 2 points each) icable Hints: Look very carefully at products, so that you are not adding or losing more of these atoms than...
Fill in the reagent/product/reactant: OCH3 1) K* -OCH3, HOCH3 2) H30*, A 1) NH,OH, H+ (cat.)...
Fill in the reagent/product/reactant:
OCH3 1) K* -OCH3, HOCH3 2) H30*, A 1) NH,OH, H+ (cat.) 2) H2SO4 O NX OH SOCI 1) LiAlH4 2) H2O NaN3, A NaOH, Bra HO, A
3. For each reaction, draw the structure of the major product(s) including stereochemistry where appropriate. Fill n t...
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
3 (24 pts) Give the structure of the major organic product of each of the following...
3 (24 pts) Give the structure of the major organic product of each of the following reactions, including stereochemistry where appropriate. NaOH methanol-water Он CH-CECH 1. (Sia),BH 2. H,O NaOH OTs NaBr Acetone (OTs Tosylate) NaCN ethanol-water OH Na,Cr,O, H,SO, H,O I н.о H,SO Bra он FeBr NaBH Ethanol
Which is the major product of this reaction? Pd cat. Br- -B(OH)2 OMe K2CO3 O A....
Which is the major product of this reaction? Pd cat. Br- -B(OH)2 OMe K2CO3 O A. MeO OH OB. Br Br OC. -Br OD. OH Which is the major product of this reaction sequence? I nawe, szamy H2O/H30* H₂C-éphs H OA. B. H OC. H G4 OD.
4. (2 points) For the following S2 reaction, (a) predict the product, including stereochemistry, and (b)...
4. (2 points) For the following S2 reaction, (a) predict the product, including stereochemistry, and (b) draw the 3D transition state structure leading to the S2 product (using lines, dashes, wedges, dotted lines for partial bonds, and any needed partial charges). (a) OTs кCN CH3 (b) Transition state structure 5. (3 points) Complete the following sequences by filling in missing reagents from the list provided. Sequential steps, if necessary, should be numbered. Он Reagent List: PCI3 pyridine НС PBr3 NaH...
what is the product of the following reaction? 1.) KMnO4 cold dilute 2.) NaOH O OH...
what is the product of the following reaction?
1.) KMnO4 cold dilute 2.) NaOH O OH + IO||III. H H OH OH enantiomer enantiomer A B D
1) OsO. Pyridine 2) NaHSO, H,0 (show stereochemistry NaOH ethanol OH HIO он HO, THE 74)...
1) OsO. Pyridine 2) NaHSO, H,0 (show stereochemistry NaOH ethanol OH HIO он HO, THE 74) Synthesize the molecule below starting with acetylene (ethyne). List all reagents used. Show products after each proposed step. (6 points) 75) The following is an E2 reaction. Indicate the product. You MUST also show both chair conformations and indicate the chair conformation in which the elimination occurs. (5 points) NaOEt EIOH Page 9 of 13
16.2
Gve the major product(s) of the following reaction H,O, cat. HA ? heat OH o -OH OH H There is no reaction under these conditions or the correct product is not listed here. Give the major products) Torrowing CH, OH, cat. A 0 ? heat OH OH O to OMe OMe There is no reaction under these conditions or the correct product is not listed here. Gve the major product(s) of the following reaction HO, Col. HA ? co...
predict the product
1. (12 pts) Predict the product for the following transformation. OH OH 유 1.H2OH' HO 2. KH, 18-c-6, THF OH OH Br Ph OH OBn O 1. H20, H HO 2. O 、Me , cat. H+ Me
1. (12 pts) Predict the product for the following transformation. OH OH 유 1.H2OH' HO 2. KH, 18-c-6, THF OH OH Br Ph OH OBn O 1. H20, H HO 2. O 、Me , cat. H+ Me
step after each product of the the structure 5. Consider the three reaction sequences below (a, b & e) and draw Stereochemistry in the products should be clearly indicated in your drawings when app your entire reaction sequence before you jump into any conclusions! Always make sure that the starting material and p reaction conditions! (24 points, 2 points each) icable Hints: Look very carefully at products, so that you are not adding or losing more of these atoms than...
Fill in the reagent/product/reactant:
OCH3 1) K* -OCH3, HOCH3 2) H30*, A 1) NH,OH, H+ (cat.) 2) H2SO4 O NX OH SOCI 1) LiAlH4 2) H2O NaN3, A NaOH, Bra HO, A
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
3 (24 pts) Give the structure of the major organic product of each of the following reactions, including stereochemistry where appropriate. NaOH methanol-water Он CH-CECH 1. (Sia),BH 2. H,O NaOH OTs NaBr Acetone (OTs Tosylate) NaCN ethanol-water OH Na,Cr,O, H,SO, H,O I н.о H,SO Bra он FeBr NaBH Ethanol
Which is the major product of this reaction? Pd cat. Br- -B(OH)2 OMe K2CO3 O A. MeO OH OB. Br Br OC. -Br OD. OH Which is the major product of this reaction sequence? I nawe, szamy H2O/H30* H₂C-éphs H OA. B. H OC. H G4 OD.
4. (2 points) For the following S2 reaction, (a) predict the product, including stereochemistry, and (b) draw the 3D transition state structure leading to the S2 product (using lines, dashes, wedges, dotted lines for partial bonds, and any needed partial charges). (a) OTs кCN CH3 (b) Transition state structure 5. (3 points) Complete the following sequences by filling in missing reagents from the list provided. Sequential steps, if necessary, should be numbered. Он Reagent List: PCI3 pyridine НС PBr3 NaH...
what is the product of the following reaction?
1.) KMnO4 cold dilute 2.) NaOH O OH + IO||III. H H OH OH enantiomer enantiomer A B D
1) OsO. Pyridine 2) NaHSO, H,0 (show stereochemistry NaOH ethanol OH HIO он HO, THE 74) Synthesize the molecule below starting with acetylene (ethyne). List all reagents used. Show products after each proposed step. (6 points) 75) The following is an E2 reaction. Indicate the product. You MUST also show both chair conformations and indicate the chair conformation in which the elimination occurs. (5 points) NaOEt EIOH Page 9 of 13
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