8) Draw the structure of compounds 1, 2, 3 and 4. PCC Br_M e _PCC 1)...
2. Draw the missing structure 1) Mg (2) H- PBr3 A B (3) H20 (1) Li (1) MeLi (2) H20 (3) N20 (1) (2) H2O (1) 03 (2) Me2S (3) CrO3/ H2S04/ H20 H2SO4 HBr (1) Li (2) Cul (4) H20 s(A-I)
1) + NaOH J) PCC OH CHCI K) H CH OH L) 1. Mg, ether Br 2. 3. H2O M) OH I Na Cr2O7 H2SO4
10) Draw the structure of compounds 1, 2, 3, 4 and 5. H2SO4 НО CH,он ОСН3 PCC MgBr 2) НО H2SO4 НО
Which of the following series of steps would most efficiently synthesize the target molecule from the given alcohol? HO Target 2 3 4 PCC 1. CH3MgBr 2. H20 H2SO4 Pd-o H2 1 2. 3 PCC 1. CH3CH2MgBr 2. H20 H2SO4 Pd-C H2 1 2 3 4 PCC 1. CH3MgBr 2. H2O H2SO4 Pd-C H2 0 1 2 3 4 PCC 1. CH3CH2MgBr 2. H₂O H2SO4 Pd-C H2 1 2 3 Na Cr2O7 H307 1. CH3 MgBr 2. H20 H2SO4 NaBH4...
Predict the product for the following reaction. OH PCC CH,C12 Predict the product for the following reaction. OH Na2Cr2O7/H2SO4/H2O excess 1. CH2CH2MgBr 2. H20
3. Draw the missing structures (A-). For compounds C, E, and I, what are the main differences in the proton NMR spectra (i.e. diagnostic peaks to tell them apart)? (1) Mg O )NaBH4 (1) CHi (2) но (3) H20 (mu H2504 (1) 03 (2) Me2s (3) Cro3 H2S04 H20 HBr 1) L (2) Cu
Draw out each step of the reaction.
OH 1) PCC CH2Cl2 2) MeMgBrEt20 3) PCC CH2Cl2 4) Br2 HBr 5) P(OME)3 6) NaH + aldehyde from step 1
1. PCC CI 3. Cl2 H,0, heat 7- け 3. на, но 8- CH-CH HBr H20 refux 9- NH2 CH -C-Cl 10. 2.HaO кон. rMso 12- CH3 CH Ch 13- NH2 14- -78C 15- OH LiAIH 4 16- socl2 2 pyridine P2Os NH2 18- 1. NaHCO.. H2O 2. OH Br 19. 2, H30 20- 1. BH4 2. H3O 21- 22- 2. PBr 3.2 equiv. CH,CH CH&NH 23- 1. Mg Br 3. NaHCO Cl 24- 2 LAH 25-
draw the structure of the major product
1. Draw the structure of the major product for each of the following reaction. Brz, heat HgSO4, H2SO4 H2O HBr tot Heat
K2Cr207 (excess) H2SO4, H2O HO OH u. 1. PhLi, Et20 2. HCI, H2O 3. SOCl2, Etz 4. NaOAC 1. Mg (1 eq), Et20 Br 2. i (1 eq) -CHO 3. HCI, H20 1. NaBH4, MeOH, 0°C 2. PBr3, THE 3. LiAID4, THE 4. HCI, H2O x. 1. SOCI, NEtz, THE CHO 2. 2 eq Li, hexane 3. HCI, H2O hint: multiple steps 1. LiAIHA, THE 2. HCI, H20 3. PBrz, THE a1. 1. PCC, DCM OH 2. Mg, Et20 3....