1. Give the major product of the following reactions, write N.R. if no reaction happens. Indicate...
1. Give the major product of the following reactions, write N.R. if no reaction happens. Indicate the stereochemistry if necessary: Jone's reagent OH OH Ph~ 1. PBr3 2. NaCN, THE conc. H2S04, n D -OH ou Naci 0 °C 0°C Ph conc. HBr Он /. heat
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
1. Give the major product of the following reactions, write NR. if no reaction happens. Indicate the stereochemistry if necessary CHCI KOC(CH3). (CH),COH 1. conc. HBr, heat 2. KOBU, HOBU 1. NaOM, MOH CI 2. BICN 1. 1 eq. BH3. THE 2. H2O2, NaOH, H2O 3. Hg(OAC), MeOH 4. NaBH4, NaOH, H2O 1. conc. HCI 2. LDA, THF 3. O. CH,OH 4.(CH), 1. Hg(OAC), THE 2. NaBH, NaOH, H2O > OH (Hint: product has a bicyclic ring)
1. Give the major product of the following reactions, write N.R. if no reaction happens. Indicate the stereochemistry if necessary: 1. Give the major product of the following reactions, write N.R. if no reaction happens. Indicate the stereochemistry if necessary: CHCl3 KOC(CH3)3, (CH3)3COH 1. conc. HBr, heat 2. KOBU, HOBU ✓ 1. NaoMe, MeOH 2. BrCN 1. 1 eq. BH3, THE 2. H2O2, NaOH, H20 3. Hg(OAc)2, MeOH 4. NaBH4, NaOH, H20
1. Give the major product of the following reactions, write N.R. if no reaction happens. Indicate the stereochemistry if necessary: 1. conc. HCI 2. LDA, THE 3. O3, CH3OH 4. (CH3)2S N2 hv 1. Hg(OAC)2, THE 2. NaBH4, NaOH, H20 Y-OH (Hint: product has a bicyclic ring)
1. SOCI, NEt3, THE 2. 2 eq Li, hexane 3. HCI, H2O CHO Br hint: multiple steps B TH 1. LIAIH, THE 2. HCI, H2O 3. PBr3, THE CN OH 1. PCC, DCM 2. Mg, Et O 3. HCI, H2O 1. MSCI, pyr 2. KO'Bu, 'BuOH
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...
complete the following reactions with the proper stereochemistry as need оCHbb H2SO4 (dilute) OH H2O HBr (conc) но H но heat но но H CHs MCPBA OH Jones (CrO3. H,SO4) H2O, acetone 1. MCPBA OH PCC 2. NaCN 3. Hy0 pyridinium chlorochromate CH2CI2, 25 C 1. MCPBA PCC OH pyridinium chlorochromate 2. HBr Cн-Cl, 25 C NaBH OH Hао 1. DMSO, (COCI)2, -60C 1. LIAIH 2. Et N 2. H,0 оCHbb H2SO4 (dilute) OH H2O HBr (conc) но H но...
predict the product (or reactants) 1. Mg (1 eq). Et20 2. (1 eq) -CHO 3. HCI, H2O 1. NaBH4, MeOH, 0°C 2. PBrz. THE 3. LIAID, THE 4. HCI, H20 1. SOCI, NEt3, THF 2. 2 eq Li, hexane CHO 3, HCl, H2O hint multiple steps CH 1. LiAIH, THE 2. HCI, H2O 3. PBr3, THF OH 1. PCC, DCM 2. Mg, Et20 3. HCI, H2O 1. MSCI, pyr 2. KO'Bu, 'BuOH
Predict the product(s) and reagent(s) or if there is no reaction write NR. 041 for 1. NaBH4, MeOH, 0°C 2. PBr3, THE 3. LiAlD4, THE 4. HCI, H20 1. SOCl2, NEt3, THE CHO 2. 2 eq Li, hexane 3. HCI, H2O OTE hint: multiple steps 1. LIAIH4, THE 2. HCI, H2O 3. PBr3, THE CN OH 1. PCC, DCM 2. Mg, Et O 3. HCI, H2O 1. MSCI, pyr 2. KO'Bu, BuOH