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- Isoleucine, another of the twenty amino acids found in proteins, is metabolized by a pathway that includes the following step. Propose a mechanism.write the magor produob formed by the to llow ung veaction, Assume that mo1l of You have enough of each reagont/ Reactant to drive bhe veactrion to Completion. protic wek up alowe as neee ssang As sume bhert thore 's Dibal- CH30H, HR R 200 R H H [1] Nu: [2] H₂O R 'R' st ↓ X H₂SO4 CH3CH2OH NaNH, NaNH, (2 equiv.) NaNH, (2 equiw 1. NaCN 2. H₂O
- 4. Draw structures for products of the following reactions. PaCl, (Bu water tBu PdCI, methanol OH CHCI, NaOH, water Me,N LDA, THE, 0°C BulI (2 moles) Bri THF, -78°C Buli THE, °C Br Pd(OAch THE, 0C MeO5. Complete the following synthesis of the natural product mycophenolic acid. TMSCI OAC pyridine A OAC OH D TosCl pyridine HO. OTMS OTMS OMe Bno heat OH 1. Mg 2. Cô, 3. H,O .COOH Brz FeBra ÓTMS OBn OTMS Meo OBn Мео Na, NH, OH OH H (2 steps) 1. SOCI, G 2. heat HOOC OTMS Meo MeoWhich of the following can hydrolyse in water at room temperature? CH3COCH3 CH3CI CH;ČNH, IL || CH3ČOČCH, I II III IV Select one: a. I,II b. I, II c. II, II d II IV
- Which substrate in the following reaction will form only the product shown OH L BHy-THF 2. H;O, NaOH Oa. Ob. Od.write the magor produob formed by the fo llow ung reaction, Assume that you have enough of each reagont/ Reactant to drive the veectrion bo Completiion. Assume bhet there i's protic wek up aloe as nece ssary 1. NaBHey OH 2.4tDtermine the Products from the rxn Me. LDA A CH;I B + Lil -70 °C The Products A and B are Ме Me CH3 A= B= А. Me Me Me A= B= В. OCH3 Me. Me. A= B= С. Me Me. Me A= B= D.
- What is the major organic product of the following reaction sequence? (CH₂) 3 COOH 1) SOCI₂ AICI 3 CA) 00 CD) (B) O OTO Ott CI (F) > ? o a CoottWhat type(s) of catalysis is/are present in the enzymatic reaction below? SCOA H-His CH SCOA Asp CH COASH CH: CO HO-C-COO" HO-C-COO H-CH, acetyl-CeA SCOA CH, CH; CH COO COO COO oxaloacetate an intermediate citrate Select one or more: a. general acid b. general base C. metal ion d. specific base e. nucleophilic f. specific acidIs the reagent for all elimination reactions conc. H2SO4? or just the reactions ones with OH?