23. Which product would be produced in highest yield for the following reaction? Br 1) PPh 2) BuLi 3) 0 H پ CH2 CH2OH OCH
What is the major organic product obtained from the following reaction? 1. PPh 2. Buli 3.CH3CH2CHO 4. H20 Br a. 2-methyl-2-pentene b.(Z)-3-methyl-2-pentene c. 4-methyl-1-pentene d.(E)-3-methyl-2-pentene
Please complete the following reactions and name product such as primary alkyl-bromide, cis/trans etc. PPh Br BuLi Br PPh BuLi Br Br PPh BuLi Br PPh3 BuLi PPh Br BuLi
What is the major organic product obtained from the following reaction? 1. PPh 2. Buli 3.CHÚCH CHO 4.H20 Br a. 2-methyl-2-pentene b. 4-methyl-1-pentene c. (Z)-3-methyl-2-pentene d. (E)-3-methyl-2-pentene QUESTION 4 What is the major organic produs obtained from the following reaction? OH Zn(HO) HCI 2 Ph Ph Ph Ph Ph ОООО a. 1 b. 2 c.3
1. Draw the primary organic products in the boxes provided below. ~Br n-Buli (1) CH3CH2MgBr dry ether (2) Lindler catalyst H₂ (2) H30+ (3) H30+ Draw an electron pushing mechanism for the reaction shown below. (1) CH2CH2MgBr dry ether (2) (3) H30+
1. Indicate the correct product, and give a detailed mechanism for the following transformation. Br HO Br2 H2O VS. Br 2. Indicate the correct product, and give a detailed mechanism for the following transformation. OH OH Oso VS, HO HO
Give the FULL mechanism for the synthesis of the product 1) BuLi, Et20,- 78 → .45 °C, 1 h 2) > Et20 TBSO / -78 .25 °C. 5 h 151 SS HMPA/E20, - 780°C OTBS -NHTS OTBS 152 TBS 56 % 150 153 Raney Ni EtOH, H2, r.t 69 % 155 154
1. Provide the major organic product(s) for each step of the reaction below. 1. PhP Br 2. Buli 3. 3-pentanone 2. Provide the major organic product(s) for each step of the reaction below. 1. CH3CH2CH2NH2, H* (cat.) 2. NaBH(OAC); 3. Give the organic product and mechanism for the reaction. cң, сн,сн, на NH,NH OOH
Show each step 1. PPh; 2. Buli 0 3 он 1. PCC, CH,CI, ,H,O+ 1. 9-BBN 2. H,O, OH- 3. (2) EtOH, H2O+ 1. MeCI, AICI: 2. NBS, hv 3. NaOH 4.PCC, CH,CI, 5. KCN, HCN
Which is reagent R in this reaction? Br R O A. n-Buli OB. n-BuMgBr OC. PPh3 + 2 n-Buli OD. Cul + 2 n-Buli In the following Michael addition reaction with compound served as the Michael acceptor, A? CH2(CO2Et) H2O/H30* А KOH A OH OA i ОВ. Ос. OD. i QUESTION 7 Compound 1 is an acetyl protected precursor of the phytonutrient pterostilbene (2), a natural antioxidant found in blueberries. Which reagents would you use to synthesize 1 starting with...