m Practice Questions Н-Cl Per C. OH SOCl2 ру D. OH 1. TsCI/py 2. NaSCH3 OH H2SO4 heat
(a) 2 1. -OH, H2O H 2.H307, heat (b) CI AICI: (c) SH HS H2SO4 (d) OH 1. Na Cr 07, H2SO4 2. SOCl2, pyridine 3. excess (CH2CH2)2NH excess (e) (f) Br2, H30*
25) What is the product of the reaction below? OH - H2SO4 heat ОН D) D) i A) A B) B C)D DC 26) Which of the synthetic procedures below would carry out the following transformation? 26) OH H.C CH3 H H .C CH3 A) LiAlH, followed by H,SO,/heat B) O, followed by (CH3)2S C) PCC/CH,Cl, followed by HIO D) NaBH,/methanol followed by HIO B) B C)C D) D A A
Practice Set-lll CH3 o 1. H3c-C- CHa a HaC, CH3 PY ? H-C-N H Нас + OH T CH2 2. ? CH2 he N(CH3)2 O2N HaC CH3 Phosgene, ? (Review a 3. O-CC2 2 CO2H PY ? HaC 4. Нас OH +CH3 NH2 ? H + excess CH30H ? 6. CH(CH2)16 heat b-(CH2)1CH3 heat ? 7. CaHs-C O-CH2 + NH2-OH hydrorylarnine O- Practice Set-lll CH3 o 1. H3c-C- CHa a HaC, CH3 PY ? H-C-N H Нас + OH T...
3) Which of the following compounds is chiral? A) H Н-С-н н B) H HO C-OH Н C) CH3 HO-C-H Cl D) Br Н-С-ОН н E) C Br- C-C Br 4) In the L- isomer of a Fischer projection of a monosaccharide, the -OH group furthest from the carbonyl is written A) on the left of the top chiral carbon B) on the right of the top chiral carbon C) on the left of the middle chiral carbon D) on...
1. For each of the following reaction state the major product(s). If there is no reaction, state NR. Specify stereochemistry where appropriate. a) H-Br b) SOCI, Py OH c) 1.TsCI/Py 2. NaBr d) PBr3 e) Conc. H2SO4, Heat 制. f) 2. NaOMe 8) 1.TsCI/Py 2. t-BuOK h) H2CrO4
но моме cat. H2SO4 Dean-Stark trap PhyO SOCl2 OH Ph^ Ph Br La Pryo NEtz Croz H2SO4 6 Nao 1) LDA, -78 °C 2) 0 CO2Me HPh (give a reactant and a reagent) (sterochem. can be neglected; elim. product (alkene) also okay) 1) PhBr 2) HCI/H20 molecular sieves (dehydrating agent) OMe 1) NaOME 2) Mel 3) LiOH 4) HCI (quench) 5) heat
1) Complete the following reactions OH OH H2SO (b) (c) H2SO4 H,SO heat heat heat OH OH H.CO H.COM H.CO. OH f) 2) Show how to convert (a) 1-Propanol to 2-propanol in two steps (b) Cyclohexene to cyclohexanone in two steps (c) Propene to propanone (acetone) in two steps. 3) Write a stepwise mechanism for the sulfonation of benzene. Use HSO3 + as the electrophile.
answer the following practice questions C(CH₃), CI - OCH₂CH3 - Br CH₂ CH2 -OCHS, C(CH), Cl H23,22°C CHSCH (CH)CI Ochela O (H3 ③ CH₂ - OH H2SO4 CH₃ H2O 0 CH2CH(CH) CH404 Hour tout ② H-C=C-H 24 25 16H₃ THE 2) H2O2, OH CH3 HgOnc, H2O DH 2-OH, NOBH4 KMnO4 OH, H2O CHEC-CIH - An @ KM, 04, cold 12 C=CH OH, H₂O
Predict the product(s) using the same alkene reactant for the following reactions: 2. н, (a) Pt/C D, (b) Pt/C Cl, (c) CH,Cl, Br, (d) Н.о Cl, (e) CH,OH HI (0 DBr (g) НВr (h) нолу ноно (0) 1. Hg". THF-H,O 2. NaBH/NaOH 1. В, Н, ТHF (k) 2. H,O/NaOH кMпо, H,о (I) cold 1. OsO, (m) 2. NaHSO, 1. KMnO/OH/heat (n) 2. Н.О" 1. 0/CH,CI, (o) 2. Zn/H,O 1. O, (p) 2. H.о/он
H2SO4 Heat нас 2 CH-OH H₂ CH-0 2 H3C-OH + H2C CR A C | CH3 0-CH. нас CH3 dimethyl terephthalate 194.19 g/mol d = 1.075 g/mL bp = 288°C isopropanol 60.10 g/mol 0.7855 g/mL bp = 82.3 °C methanol 32.04 g/mol d = 0.7914 g/mL 64.6 °C diisopropyl terephthalate 250.29 g/mol d = 1.076 g/ml (est.) bp > 300 °C (est.) Problem One. Assume 168 uL A and 123 uL B and one drop of concentrated H2SO4 were allowed...