Give a structure for each of the letters below. Stereochemistry isn’t important.
Give a structure for each of the letters below. Stereochemistry isn’t important. 17) Give a structure...
17) Give a structure for each of the letters below. Stereochemistry isn B ( 0) OH ei meiriom hovu ortob nolongo stry isn't important. onglovborg 10161 gol 9ERA79 moi dong XS -OH xs Cl2 K2CrO4 NaCN HO H МСРВА HZ/Ni m arloosbibelenbos rustoom odt 70 tuborg gnizin ort svid Or xs Phenyl Grignard on listribril МСРВА
17. Draw the structure of the major organic product(s) for each of the following reactions. Indicate stereochemistry when appropriate. C(CH3)3 NASH Br (S)-2-bromononane - acetonitrile KOH CH,OH NaCN HE Br Acetonitrile C2H5 H, Br NaOH Acetone excess HBr ROOR HC1 + Br Na o DMSO
3 (24 pts) Give the structure of the major organic product of each of the following reactions, including stereochemistry where appropriate. NaOH methanol-water Он CH-CECH 1. (Sia),BH 2. H,O NaOH OTs NaBr Acetone (OTs Tosylate) NaCN ethanol-water OH Na,Cr,O, H,SO, H,O I н.о H,SO Bra он FeBr NaBH Ethanol
2. (40 pts, 4 pts each) Prediet-the-products. Draw the major organic product after each series of reactions. You must draw the correct regioisomer and/or stereoisomer for full credit. Some schemes contain more than one step; you do not need to draw the product after each step. Only the final products drawn in the boxes provided will be graded. 1. Brz, CHCI 1. Na, NHI -CHE 2. NaOMe (xs) DMSO 2. mCPBA CHCI 3. H. HSO4 НО. CI Но, Me 1....
2. Synthesis: Fill in the missing products in the synthesis process below. Stereochemistry should be shown if applicable. Br m-CPBA NaOEt DMSO H+ MeOH 1. Predicting Products/reagents: Draw the structure of the reagents or the major organic product(s) of each reaction in the boxes provided. Stereochemistry should be shown if applicable. 1) xs LAH, Et20 2) H20 CI HO CI OH CI pyridine
3. For each reaction, draw the structure of the major product(s) including stereochemistry where appropriate. Fill n the box below each arrow with the mechanism(s) that will be followed (SN1/E1, SN2, or E2). For SN1/E1 reactions, draw products for both. NaCN DMF tBuOH 言言言 MeOH * | CH30 CH OH DMSO R-2-bromopentane
6. Draw the structure of the organic product(s) from each reaction shown below. Indicate stereochemistry, if appropriate. HBr Cl2 HCI НСI Н.о H2SO4 1. Hg(OAc)2/ H20 2. NABH4
Give the major product(s) (indicating stereochemistry where appropriate) of each of the following reactions. он a) 2. 3. H (any strong acid) 1. HBr(1 equiv) MgBr, then 20 2. Mg then H20 OH c) 2. MeMgBr, then H20 3. PBr3, pyridine 4. NaCN 1. HBr (2 equiv) 2. NaNH2 (2 equiv) d) 1. BH3 2. HOOH, NaOH 3. TsCI, pyridine 4. NaSH
1. (20 pts) Give the structure of the major organic product (including stereochemistry if appropriate) formed in each of the following reactions. SOCI CH,CO,H (peroxyacid) PCC CH.CZ • PCC = Pyridinium Chlorochromate Nah Benzene AICI Na,Cr, H,so, (aq) heat Zn(Hg) HCI heat NASH Ethanol-Water Continued on opposite sido
Consider the mechanism of the reaction shown below. Give the structure of the next important organic reaction intermediate along the reaction coordinate. Your answer could be the final product. OH H2S04 heat