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4. Provide the intermediate and final products, OR the reagents for the reactions given below: OCH3...
2. (16 pts) Reactions Provide reagents, products or starting materials for the following reactions. Show stereochemistry...
2. (16 pts) Reactions Provide reagents, products or starting materials for the following reactions. Show stereochemistry when relevant (or loss thereof). If a reaction produces no significant products, write "NR". If you have a question about an abbreviation, just ask. NaBr OH 1. TsCI 2. Nal, DMF CI DMSO OH 1. PBrg NaCN 2. KOC(CH3)3 Ether LDA НОН THE NaH NaH PO Acetone Heat, water
Predict the products. 1. TsCl, pyridine SNa OH NaH HBr 2 eq, 0 °C H2SO4 CH3...
Predict the products.
1. TsCl, pyridine SNa OH NaH HBr 2 eq, 0 °C H2SO4 CH3 heat HBr heat 1. PBr3, Et20 2. NaCN NaH OH HBr 0 °C CH3 H2SO4 heat
4) Provide the requested information (reagents or product/reactant) for each of the reactions shown below. If...
4) Provide the requested information (reagents or product/reactant) for each of the reactions shown below. If multiple products are formed, provide only the major product. OH A B OH Bry, H,0 a OH I H₂, PY Brz H Jo, DMS E F AND G A-reagents B-reagents C-reagents D-reagents E - product F-product G-product H-product 1 - product
1. Predict the products of the following reactions. CH3 TsCl Pyridine NaCN CH3 PBr3 Pyridine NaCN...
1. Predict the products of the following reactions. CH3 TsCl Pyridine NaCN CH3 PBr3 Pyridine NaCN (1) BH3:THF (2) H2O2,OH H2SO4(cat.) H2O (1) Hg(OAc)2 (2) NaBH/OH 2. Write the mechanism of the following reactions он но он Ph BF3 Ph
4. Predict the major product of the following reactions. OCH3 excess NaOH excess Br2 a) 1.excess...
4. Predict the major product of the following reactions. OCH3 excess NaOH excess Br2 a) 1.excess NaOH TBSO excess Br2 2. H30+, dilute, cold 3. SOCl2, py 4. H2N -OCH3 Н3СО Г OY 1. Br2, OH 2. NaSCH2CH3 LIN = LDA, THF, -78°C 1. le 2. To 3. 03 4. H2O2, NaOH, H20 OH, DCC
In each reaction box, place the best reagent and conditions from the list below. OH a...
In each reaction box, place the best reagent and conditions from the list below. OH a 2) 3) H2S04, (conc.), heat NaH BH3/THF H2O2, NaOH, H2O SOCl2 Br2, H20 PBr3 03 NaOH HBr macmillan learning each reaction box, place the best reagent and conditions from the list below. 1) 2) OH 3) OH 4) H2O2, NaOH, H20 CH3COO- CH30- H30* BH3/THE H2SO4 (conc.) NaBH4 NaOH TsCl, pyridine (CH3)3C0-
Provide the missing reagents. The reagents underneath the tabs include: a) LiAlH4 b) PBr3 c) NaOH/H2O,...
Provide the missing reagents. The reagents underneath the tabs
include: a) LiAlH4 b) PBr3 c) NaOH/H2O, heat d) Br2 e) H3O+ f)
NaOH, H2O g) Mg, ether h) PCC
Trans-4-hexen-3-ol can be synthesized starting from acetaldehyde. One of the key reagents is ethyl grignard. 1. Synthesize ethyl grignard from acetaldehyde in the steps below using the OH reagents provided trans-4-hexen-3-ol 1. Select answer 2 Select answer Mg 3 3. Select answer 4. Select answer 2. Synthesize (trans)-4-hexen-3-ol from acetaldehyde. Select...
Q 2(a) [60 Marks] Provide Products 1-3 for the first three reaction sequences, and give Reagents...
Q 2(a) [60 Marks] Provide Products 1-3 for the first three reaction sequences, and give Reagents 1-3 for the final reaction sequence. Make sure to include your rough work (intermediates can be shown, but mechanisms not required) to show how you arrived at answers in each case. 1. NaNO2, HCI, 0 °C Product 1 HNY 2. HBF4 Br OCH3 NEN Product 2 1. Cl2, FeCl2 2. HNO3, H2SO4, heat Product 3 3. NaOCH3, heat 4. Sn, HCI 5. NaNO2, HCI,...
An incomplete selection of reagents is listed below. A set of reactions and products starting with...
An incomplete selection of reagents is listed below. A set of reactions and products starting with acetophenone 5 is depicted. Write the reagents needed for each reaction over/next to/under the arrows. Draw the intermediate in the box. Circle all of the chiral compounds in this scheme. BH, n-Bu NF f-BUOK ETO Na+ HBr HCI HI Ha(OA), HO LI/ENH, imidazole NaBHA Nah NaNH, NaOH/H2O2 Ni,B PCI Pd/Cacos/quinoline Pt pyridine SOCI2 TBSCI ZnCl2 CICI
2. (12 pts) Reactions Give the reagents or products to the following systems. If a reaction...
2. (12 pts) Reactions Give the reagents or products to the following systems. If a reaction does not give a product, write "NR" for No Reaction. Provide the product with the highest yield. Assume 1 to 1 stoichiometry unless otherwise stated. Provide stereochemistry if applicable. NC heat но но H ETOH 1. SOCI2 2. Heat, Hас -о н Но H но ETOH 1. TsCl NC H но но Н 2. CH,ок, CH,он
2. (16 pts) Reactions Provide reagents, products or starting materials for the following reactions. Show stereochemistry when relevant (or loss thereof). If a reaction produces no significant products, write "NR". If you have a question about an abbreviation, just ask. NaBr OH 1. TsCI 2. Nal, DMF CI DMSO OH 1. PBrg NaCN 2. KOC(CH3)3 Ether LDA НОН THE NaH NaH PO Acetone Heat, water
Predict the products.
1. TsCl, pyridine SNa OH NaH HBr 2 eq, 0 °C H2SO4 CH3 heat HBr heat 1. PBr3, Et20 2. NaCN NaH OH HBr 0 °C CH3 H2SO4 heat
4) Provide the requested information (reagents or product/reactant) for each of the reactions shown below. If multiple products are formed, provide only the major product. OH A B OH Bry, H,0 a OH I H₂, PY Brz H Jo, DMS E F AND G A-reagents B-reagents C-reagents D-reagents E - product F-product G-product H-product 1 - product
1. Predict the products of the following reactions. CH3 TsCl Pyridine NaCN CH3 PBr3 Pyridine NaCN (1) BH3:THF (2) H2O2,OH H2SO4(cat.) H2O (1) Hg(OAc)2 (2) NaBH/OH 2. Write the mechanism of the following reactions он но он Ph BF3 Ph
4. Predict the major product of the following reactions. OCH3 excess NaOH excess Br2 a) 1.excess NaOH TBSO excess Br2 2. H30+, dilute, cold 3. SOCl2, py 4. H2N -OCH3 Н3СО Г OY 1. Br2, OH 2. NaSCH2CH3 LIN = LDA, THF, -78°C 1. le 2. To 3. 03 4. H2O2, NaOH, H20 OH, DCC
In each reaction box, place the best reagent and conditions from the list below. OH a 2) 3) H2S04, (conc.), heat NaH BH3/THF H2O2, NaOH, H2O SOCl2 Br2, H20 PBr3 03 NaOH HBr macmillan learning each reaction box, place the best reagent and conditions from the list below. 1) 2) OH 3) OH 4) H2O2, NaOH, H20 CH3COO- CH30- H30* BH3/THE H2SO4 (conc.) NaBH4 NaOH TsCl, pyridine (CH3)3C0-
Provide the missing reagents. The reagents underneath the tabs
include: a) LiAlH4 b) PBr3 c) NaOH/H2O, heat d) Br2 e) H3O+ f)
NaOH, H2O g) Mg, ether h) PCC
Trans-4-hexen-3-ol can be synthesized starting from acetaldehyde. One of the key reagents is ethyl grignard. 1. Synthesize ethyl grignard from acetaldehyde in the steps below using the OH reagents provided trans-4-hexen-3-ol 1. Select answer 2 Select answer Mg 3 3. Select answer 4. Select answer 2. Synthesize (trans)-4-hexen-3-ol from acetaldehyde. Select...
Q 2(a) [60 Marks] Provide Products 1-3 for the first three reaction sequences, and give Reagents 1-3 for the final reaction sequence. Make sure to include your rough work (intermediates can be shown, but mechanisms not required) to show how you arrived at answers in each case. 1. NaNO2, HCI, 0 °C Product 1 HNY 2. HBF4 Br OCH3 NEN Product 2 1. Cl2, FeCl2 2. HNO3, H2SO4, heat Product 3 3. NaOCH3, heat 4. Sn, HCI 5. NaNO2, HCI,...
An incomplete selection of reagents is listed below. A set of reactions and products starting with acetophenone 5 is depicted. Write the reagents needed for each reaction over/next to/under the arrows. Draw the intermediate in the box. Circle all of the chiral compounds in this scheme. BH, n-Bu NF f-BUOK ETO Na+ HBr HCI HI Ha(OA), HO LI/ENH, imidazole NaBHA Nah NaNH, NaOH/H2O2 Ni,B PCI Pd/Cacos/quinoline Pt pyridine SOCI2 TBSCI ZnCl2 CICI
2. (12 pts) Reactions Give the reagents or products to the following systems. If a reaction does not give a product, write "NR" for No Reaction. Provide the product with the highest yield. Assume 1 to 1 stoichiometry unless otherwise stated. Provide stereochemistry if applicable. NC heat но но H ETOH 1. SOCI2 2. Heat, Hас -о н Но H но ETOH 1. TsCl NC H но но Н 2. CH,ок, CH,он
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