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1) Reactions. Provide the major products for each reaction sequence, account for stereochemistry 1) KMnO4, A 2) SOCI...
help please! 1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry. 1)...
help please!
1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry. 1) PCC, CH2Cl2 2) Brz, acetic acid OH 3) KotBu, A 4) NaOEt, EtOH P CO 8 5) H2O+ workup 6) THF, H.CaPPha HCB , cat. PdOAC) cat. PPh3, DMF, EN | CHA 0 нс. CH32) LDA, THF, -78 °C CHICH,then H3O+ workup 4) NaBH4, EtOH, then H3O+ workup 5) cat. TSOH, benzaldehyde 1) cat. H2SO4, A 2) O3. CH2Cl2, then (CH3)2S CH; 3) NaOE,...
1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry 1) PCC, CHCI...
1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry 1) PCC, CHCI 2) Bry, acetic acid 3) KOBU, A 4) NaOEI, ETOH, P CO- 5) H30 workup 6) THF, H.COPPA HC CH2 O e .cat. Pd(OAc) cat. PPh. DMF, EIN 2) LDA, THF. -78 °C 3) Chichen H3O* workup 4) NaBH, EtOH, then H3O+ workup 5) cat. TSOH, benzaldehyde (c) L AL SUO TESTE TO 1) cat. H2SO4. A лон 2) O3, CH, Cl, then (CH),...
help please! i need the mechanism for all steps. i get yo step 6 and i get stuck. thank you! 1) n euli . THE 2) H...
help please! i need the mechanism for all steps. i get yo step 6
and i get stuck. thank you!
1) n euli . THE 2) H3O+/H2O workup 3) KMnO4, A 4) CH2OH, cat. H2SO4 5) cat. TsOH, 6) 2 equiv. CHgMgBr, THE 7) H2SO4 H2O. A HO
PROBLEMS 1. Reagents. Give the structures of the major products (A-G) expected from the following reactions....
PROBLEMS 1. Reagents. Give the structures of the major products (A-G) expected from the following reactions. Assume standard aqueous workup conditions are used for product isolation. a. OH 1. TBSCI imidazole, CH2Cl2 ► DMF, -18°C tot HO OH2. NalO4, CH2Cl2 large excoss A 80% b. олон 1. TSCI. py B "CH, 2. LiEt3BH. THE c. MeOC O H OH 1. TICI (1 cq) py, cat. DMAP - 2. TBSOT 2,6-lutidine, CH2Cl2 C1 79% 3. LIBHA, THE 4. Php. 12 imidazole...
Give the major product(s) (indicating stereochemistry where appropriate) of each of the following reactions. он a)...
Give the major product(s) (indicating stereochemistry where
appropriate) of each of the following reactions.
он a) 2. 3. H (any strong acid) 1. HBr(1 equiv) MgBr, then 20 2. Mg then H20 OH c) 2. MeMgBr, then H20 3. PBr3, pyridine 4. NaCN 1. HBr (2 equiv) 2. NaNH2 (2 equiv) d) 1. BH3 2. HOOH, NaOH 3. TsCI, pyridine 4. NaSH
B12 1.D SOCI Mg THE G- Light 3. A recent reporting forming cart than OH 2. H2O 1. LAH, THE H Cro MeOH - М 2....
B12 1.D SOCI Mg THE G- Light 3. A recent reporting forming cart than OH 2. H2O 1. LAH, THE H Cro MeOH - М 2. H2O excess 2. Fill in structures for A-O in the following reaction scheme part of which was recently reported in the chemical literature (JOC, 2011, 57-64). (15 x 3 = 45 pt) CH3OH KMnO4 1. LAH A B НО heat 2. H2O Cro, ci
Question 3 (20 points) – Fill in the missing reagent, reactant, or product V 1) CH,CVAICI,...
Question 3 (20 points) – Fill in the missing reagent, reactant, or product V 1) CH,CVAICI, 2) KMnO4/H2SO4 3 SOCI, CI(3 eq) FeCl2 1) (CH2CH2),Culi 2) H,O/H3O+ Michael Acceptor PCC i. 1) KOC(CH):/HOC(CH): 2) mCPBA الد 3) CH,MgBr 4) H2O/HO* NH A 1) NH, TH,SO4 (cat.) 2) NADH 1) 2) 3)
Can you please show the stereochemistry as well. A. Provide products for the following reactions. If...
Can you please show the stereochemistry as well.
A. Provide products for the following reactions. If more than one stereoisomer would be formed for a product, draw one of the stereoisomers and write "+ enantiomer" or "+ diastereomer" in the box. I. (26 points) (a) Adapted from: J. Org. Chem. 2016, 81, 3638-3647. CH3 NaBH4 2) H30+ (protonation) cat. H2SO4 OH H +H20 3 (b) Ibid. 1 equiv. TsCl cat. ?.??, H2SO4 pyridine CH,OH ???? 1) NaH 2) CH3I B....
8. Provide the products for each of the following reaction sequences P010 ЛОН Na Cro H2SO,...
8. Provide the products for each of the following reaction sequences P010 ЛОН Na Cro H2SO, heat 1.) SOCI 2) NHA PBrg NaCN H2SO4(aq) heat H.CMgB H SO daq) imine not isolated NaCN H2SO4(aq) PCC CH2Cl2 (solvent) heat NBS, hv 1.) Mg 2.) CO2 3.) H3O+ Na Cro H2SO, heat CH,OH H2O (CR) Hac-P(PM) 1.) LAH PDC Eto CH.CH 2.) H.O Page 6 of 6
NaBH4 CC Hg(OAC)2 H20, THE NaOH 1. Hg(O2CCF3)2, 'ProH 2. NaBH4, NaOH 1. BHz •THF 2....
NaBH4 CC Hg(OAC)2 H20, THE NaOH 1. Hg(O2CCF3)2, 'ProH 2. NaBH4, NaOH 1. BHz •THF 2. H2O2, HOⓇ R-OH + Nax — NaCN DMSO TSCI pyridine ОН MSCI pyridine NasMe DMSO cat. HA MeOH + g. Arrange in the Increasing acidity order HẠO ROH RC=CH HA NHA RH. cold KMnO4, HOor 1. Os04 2. NaHSO3 MICH3 1. mCPBA 2. H+, CH3OH, H2O 1. mCPBA 2. NaOCH3, H20 H2O / H+ Hg(OAC)2 H2O, THE NaBH4 NaOH 1. BH3 THF 2. HaO2...
help please!
1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry. 1) PCC, CH2Cl2 2) Brz, acetic acid OH 3) KotBu, A 4) NaOEt, EtOH P CO 8 5) H2O+ workup 6) THF, H.CaPPha HCB , cat. PdOAC) cat. PPh3, DMF, EN | CHA 0 нс. CH32) LDA, THF, -78 °C CHICH,then H3O+ workup 4) NaBH4, EtOH, then H3O+ workup 5) cat. TSOH, benzaldehyde 1) cat. H2SO4, A 2) O3. CH2Cl2, then (CH3)2S CH; 3) NaOE,...
1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry 1) PCC, CHCI 2) Bry, acetic acid 3) KOBU, A 4) NaOEI, ETOH, P CO- 5) H30 workup 6) THF, H.COPPA HC CH2 O e .cat. Pd(OAc) cat. PPh. DMF, EIN 2) LDA, THF. -78 °C 3) Chichen H3O* workup 4) NaBH, EtOH, then H3O+ workup 5) cat. TSOH, benzaldehyde (c) L AL SUO TESTE TO 1) cat. H2SO4. A лон 2) O3, CH, Cl, then (CH),...
help please! i need the mechanism for all steps. i get yo step 6
and i get stuck. thank you!
1) n euli . THE 2) H3O+/H2O workup 3) KMnO4, A 4) CH2OH, cat. H2SO4 5) cat. TsOH, 6) 2 equiv. CHgMgBr, THE 7) H2SO4 H2O. A HO
PROBLEMS 1. Reagents. Give the structures of the major products (A-G) expected from the following reactions. Assume standard aqueous workup conditions are used for product isolation. a. OH 1. TBSCI imidazole, CH2Cl2 ► DMF, -18°C tot HO OH2. NalO4, CH2Cl2 large excoss A 80% b. олон 1. TSCI. py B "CH, 2. LiEt3BH. THE c. MeOC O H OH 1. TICI (1 cq) py, cat. DMAP - 2. TBSOT 2,6-lutidine, CH2Cl2 C1 79% 3. LIBHA, THE 4. Php. 12 imidazole...
Give the major product(s) (indicating stereochemistry where
appropriate) of each of the following reactions.
он a) 2. 3. H (any strong acid) 1. HBr(1 equiv) MgBr, then 20 2. Mg then H20 OH c) 2. MeMgBr, then H20 3. PBr3, pyridine 4. NaCN 1. HBr (2 equiv) 2. NaNH2 (2 equiv) d) 1. BH3 2. HOOH, NaOH 3. TsCI, pyridine 4. NaSH
B12 1.D SOCI Mg THE G- Light 3. A recent reporting forming cart than OH 2. H2O 1. LAH, THE H Cro MeOH - М 2. H2O excess 2. Fill in structures for A-O in the following reaction scheme part of which was recently reported in the chemical literature (JOC, 2011, 57-64). (15 x 3 = 45 pt) CH3OH KMnO4 1. LAH A B НО heat 2. H2O Cro, ci
Question 3 (20 points) – Fill in the missing reagent, reactant, or product V 1) CH,CVAICI, 2) KMnO4/H2SO4 3 SOCI, CI(3 eq) FeCl2 1) (CH2CH2),Culi 2) H,O/H3O+ Michael Acceptor PCC i. 1) KOC(CH):/HOC(CH): 2) mCPBA الد 3) CH,MgBr 4) H2O/HO* NH A 1) NH, TH,SO4 (cat.) 2) NADH 1) 2) 3)
Can you please show the stereochemistry as well.
A. Provide products for the following reactions. If more than one stereoisomer would be formed for a product, draw one of the stereoisomers and write "+ enantiomer" or "+ diastereomer" in the box. I. (26 points) (a) Adapted from: J. Org. Chem. 2016, 81, 3638-3647. CH3 NaBH4 2) H30+ (protonation) cat. H2SO4 OH H +H20 3 (b) Ibid. 1 equiv. TsCl cat. ?.??, H2SO4 pyridine CH,OH ???? 1) NaH 2) CH3I B....
8. Provide the products for each of the following reaction sequences P010 ЛОН Na Cro H2SO, heat 1.) SOCI 2) NHA PBrg NaCN H2SO4(aq) heat H.CMgB H SO daq) imine not isolated NaCN H2SO4(aq) PCC CH2Cl2 (solvent) heat NBS, hv 1.) Mg 2.) CO2 3.) H3O+ Na Cro H2SO, heat CH,OH H2O (CR) Hac-P(PM) 1.) LAH PDC Eto CH.CH 2.) H.O Page 6 of 6
NaBH4 CC Hg(OAC)2 H20, THE NaOH 1. Hg(O2CCF3)2, 'ProH 2. NaBH4, NaOH 1. BHz •THF 2. H2O2, HOⓇ R-OH + Nax — NaCN DMSO TSCI pyridine ОН MSCI pyridine NasMe DMSO cat. HA MeOH + g. Arrange in the Increasing acidity order HẠO ROH RC=CH HA NHA RH. cold KMnO4, HOor 1. Os04 2. NaHSO3 MICH3 1. mCPBA 2. H+, CH3OH, H2O 1. mCPBA 2. NaOCH3, H20 H2O / H+ Hg(OAC)2 H2O, THE NaBH4 NaOH 1. BH3 THF 2. HaO2...
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