27) Provide a mechanism for each reaction sequence that leads to the major organic product in the reaction shown below. u 1. SOCI₂ OH 2. CH3CH2CO₂Na
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- Synthesize each compound from toluene and any other organic or inorganic reagents. a. C6HSCH2BR b. C6HSCH2OC(CH3)3 -CHO с. O,N НООС -NO2 d. H,N.Draw the major organic product(s) of the following reaction. H3C. CH-Br H3C 1 eq. NaNH2, NH3(1) H3C-CEC-H4. Provide a mechanism for Boc-deprotection IN N. TFA H₂N OH Дон OH R R
- Provide the major organic product of the following reaction. CH3CH₂CH₂CH₂CO₂H CH,CH,CH,CH,CHO CH3CH₂CH₂OCH₂CH3 CH3CH₂CH₂CH₂COH 1. NaOCH₂CH3 2. CH3CH₂CH₂I 3. H3O*, AComplete the following reaction scheme. 1. DIBALH 2. H3O+ TMSCI Pyridine 1. LIAIH(t-BuO)3 SOCI2 2. H3O+ CrO3 H3O+Explain why pentane-2,4-dione forms two different alkylation products (Aor B) when the number of equivalents of base is increased from one totwo.
- Indicate the major organic product from the reaction shown. H. DCC HOd. 4. Provide a step-by-step synthesis for the following conversions. Provide all reagents used in each step. OH OH HO. OH ОНA benzene ring reacts with these reagents in order: 1) Cl2, AlCl3 2) Mg 3) CH3CH2CHO 4) H + 5) conc. H2SO4, heat, -H2O I am confused about what happens after the first step.
- 6. Provide the structure for the major product in the following reactions. b. P f. OH g. Lia * Oia ملی CI 1. SOCI₂, pyr. 2. to Br 2 1. LIAIH4 (xs) 2. H₂O 1. LIAI(OR) 3H 2. H₂O 2. NH₂ Et₂CuLi 1. EtMgBr (xs) 2. H₂O 1. Mg 2. CO₂ 3. H* 4. SOCI₂, pyr 1. [H], NaBH3CN, EtNH₂ CI pyridineRank the compounds in each group in order of increasing reactivity in nucleophilic acyl substitution. a. CsHsCOOCH3, C3H5COCI, CGH;CONH2 b. CH;CH;COOH, (CH;CH2CO)20, CH;CH¿CONHCH,Draw the major organic product of the reaction shown. 1. LDA, THF 2. CH3I, HMPA 3. H*, H20