1. Give the major product of the following reactions, write N.R.
if no reaction happens. Indicate the stereochemistry if
necessary:
h. 1. Cl2, H2O 2. KOtBu 1. NaOH, H20 2. PCC НО i. 1. ICH2Znl, Et2O 2. MSCI, pyr 3. LDA ОН j. 1. HВг, "BuOOH, hv 2. NaCN, DMF
Provide all organic products for the reactions below. Indicate
the relationship between any stereoisomers (label as diastereomers
or enantiomers).
e. 1. Cl2, H20 2. KOtBu 1. NaOH, H20 2. PCC HO 1. cat. OsO4, H202 2. Br2, hv, CCl4 g. 1. ICH2Znl, Et20 2. MsCI, руг 3. LDA он h. CHCl3 KOtBu 1. HBr, 'BuoOH, hv 2. NaCN, DMF
K2Cr2O, (excess) HASOHO 1. Phli, Et 2. HCI, H2O 3. SOCI, EIN 4. NaOAC 1. Mg (1 eg). Et, 2. i (19) -CHO 3. HCI, H20 1. NaBH4, MeOH, 0°C 2. PB.. THE 3. LIAID, THE 4. HCI, H20 1. SOCI, NE. THE 2. 2 eq Li, hexane 3. HCI, H20 Pintuicio sops 1. LiAlH. THE 2. HCI, H2O 3. PB. THE 1. PCC, DCM OH 2. Mg, Et20 3.HCI, H20 1. MsCl, pyr 2. KO'Bu, 'BuOH
2. Given both reactants and products, provide correct chemical
reagents and solvents to complete the reaction. You might have
multiple choices:
2. Given both reactants and products, provide correct chemical reagents and solvents to complete the reaction. You might have multiple choices: a. (i) + enantiomer OH do — Jaco Y -CHO CHO
Predict the products.
16. K2Cr207 (excess) H2SO4, H2O HO 1. Phli, Et20 2. HCI, H20 3. SOCI2, Etz 4. NaOAC 1. Mg (1 eq), Et O Br 2. (1 eq) | C-CHO 3. HCI, H20 1. NaBH, MeOH, 0°C 2. PBrz. THE 3. LiAIDA, THE 4. HCI, H20 1. SOCI, NEtz, THE CHO 2. 2 eq Li, hexane 3. HCI, H20 hint: multiple steps 1. LiAlH4, THE 2. HCI, H2O 3. PBr3, THE 1. PCC, DCM OH 2. Mg, Eto...
Choose the option that indicates all the necessary conditions to complete the 1) NaOH, H20 2) MCPBA, CH2C12 1) NaCCH, DMF 2) Na, NH3 3) MMPP, CH3OH same step by step. + 1) Mg. ether 2) CH20 3) MCPBA, CH2C12 The first reaction step to achieve the following transformation would be HBr, H202 O NaBr, DMF HBr O Br2.hv Choose the resonance structure with the highest contribution (stability). d Based on the reaction shown, how many propagation steps would the...
WEB 1) Complete the following web of reactions. H NNH2 Brz, hv NaOH 3) 4) 6) 5) PCC 1) Mg 1) 2 2) CH CHO 2) 8)? 10) Hyc 9) SOCI Ph3P:CHCH2CH3 HOCH CH2OH 17) 18) Benzene AICl 12) HCN 13) H30 14)
WEB 1) Complete the following web of reactions. H NNH2 Brz, hv NaOH 3) 4) 6) 5) PCC 1) Mg 1) 2 2) CH CHO 2) 8)? 10) Hyc 9) SOCI Ph3P:CHCH2CH3 HOCH CH2OH 17) 18) Benzene...
Which sequence will give pentanoic acid? (2 pts) 4. 1. BH3. THF 2. NAOH, H202, H20 H* 1. HBr, ROOR C. Butene Butene A. 2. NACN, ACN 3. KMnO4. 3. KMnO4, H* 1. BH3.THF 2. NaOH, H202 H20 3. H30*, heat 1. HBr, ROOR D. В. Butene Butene 2. NACN, ACN 3. H30*, heat
What is the correct sequence of reactions that can achieve the
following multistep transformation?
List in the correct order. (No spaces nor commas in between
letters) eg: GAKJO
☺ > REAGENTS A Br2 B TosCl, pyr CHOH SO, cat DO Na 1 MeBr 2. EtBr 3. NaNH 1 eq E 1. OsO4 2. NaHSO3 F NaNHExcess GHO H NBS, hv I HBr ROOR L HBr M NaOtBu N NaOEt O NaoMe PETOH, H+ Cat Q NaCN RH, Lindlar's SH, Pt...
19. What reagents will accomplish this transformation? A) 1. H2SO4 2. HBr 3. KOBu B) 1. NaOH 2, H2SO4. 3. H20 C) 1. HBr 2. NMez 3. KO'Bu D) 1. NaBr 2. H20 3. NMe3 OH