OH Na2Cr207 H2SO4 CH3NH2 heat 4 (COCI)2 1.LiAI[O-t-butyl]gH |2. H2O है NH3OH H30* (xs) 4 4
HOHC H2O OH OH XS CH,Br HO Ag20 1. NaOCH, 2. H30+, no heat нсо. 1) NaOH, H2O (room temp) 2) cold dilute acidic workup
Provide the reagent(s) necessary to convert 1-phenylheptane to benzoic acid Na2Cr207/H2SO4/H2O O H2, Pd O 1. LiAlH4 2. H30+ 1. NBS, 2. NaOH
Provide the reagent(s) necessary to convert 1-phenylheptane to benzoic acid O H2, Pd O Na2Cr207/H2SO4/H2O O 1. LiAIH4 2. H30+ O 1. NBS, 2. NaOH Predict the product for the following reaction. H2SO4 НО Н ОН ОН ОН ШІ IV V - ОТ O III O IV ОІІ OV Which of the following compounds is most reactive towards a nucleophilic addition reaction? HT H H 1 II IV V OI O IV O III
(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*
a.) H H_Cro acetone b.) 1. XS KMnO,/KOH/HOIA 2.H30* c.) ni XS NaBH,, H,0 H OH d.) o 1. XS LAIH/THF/-78 °C 2. H20 H OH e.) NaNH / lig NH3 f.) Br 1. Mg/THE 2. CO2 3. H30 9.) Ph Ph cyclopropene HF CH h.) OH 1. PCCICH.CH 2. Pri 3. N,Cag) 1. LITHF 2.CO 3. NH.Ca) HNO, NH 1. HNO () 2. NaSCH CH.CH AICI, 3-chloro-2-methylpentane m.) 1.Pr.CI. AICI 2. NBS, CCH n.) OH XS H.COM acetone OH...
What is the major product in the following reaction? CH3NH2 O NH Which reagents would best accomplish the following transformation? OH O 1. p-TsOH, HOCH CH2OH 2. CH3NH2 3. H30+ O 1. SOCl2, pyridine 2. CH3NH2 O 1. Potassium Phthalimide 2. CH3NH2 3. N2H4 O 1. CH3NH2 2. LiAlH4 3. H30+ What is the best reagent(s) for the following transformation? ? OH -NH2 O 1. TosCl, pyridine 2. Ag20, H202 3. heat 1. PBr3 2. Potassium Phthalimide 3. N2H4 O...
Draw a mechanism for the following transformations: OH H2SO4 +H2O heat OH H2SO4 heat (hint 1° carbocations are too unstable And are prone to rearrangements. Which bond moved to make a More stable carbocation?)
Which starting material would best accomplish this transformation? 1. SOCI2 2. CH3NH2 3. LiAlH4 4. H30* Н OH Br Which is the best starting material for the following reaction? CH3CH2NH2 ? pyridine HN o о NH2 С- CI OH Which are the best reagents for the following transformation? OCH3 core O 1. (CH3)2CHMgBr 2. H30+ 1. NaOH, heat 2. (CH3)2CHCH=PPh3 O 1. LiAlH4 2. TosCl, pyridine 3. (CH3)2CHCH Br O 1. DIBAL 2. (CH3)2CHCH=PPh3 What is the major product in...
Question 31 (4 points) Predict the major product for the following reaction. ОН Na2Cr207 1) PBr;, Br, H2SO4, H2O 2) H2O OH Br OH بل Br Br O
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...