1. Provide the missing reagent(s) and major product(s) for the following reactions. NaCN DMSO HO Br...
(12 marks) For each of the following reactions, predict the MAJOR product with corre stereochemistry. (e) NACN acetone (f) CH3 -н 1 eq. NaNa DMSO -H OH н- CHз
Unit 3 Hinw '3 SNİSNDELE2 1. Give the major product(s) for the following reactions. Indicate the mec reaction occurs, write "no reaction. s) in operation. If no KOC(CH) (CH COH b. H3C NaNH2 NHy Nal H3C H2CH-CH3 CH,COCH CH OH CH3 2. Give the mechanism of each of the following reactions. NaCN CH CH CHCN NaBr a. CH,CH,CH Br acetone HSCH,CH (CH) CSCH,CH3 HBr Cl + NaCI + CH OH NaOCH CH3OH Br CH OH CH3
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
2. (16 pts) Reactions Provide reagents, products or starting materials for the following reactions. Show stereochemistry when relevant (or loss thereof). If a reaction produces no significant products, write "NR". If you have a question about an abbreviation, just ask. NaBr OH 1. TsCI 2. Nal, DMF CI DMSO OH 1. PBrg NaCN 2. KOC(CH3)3 Ether LDA НОН THE NaH NaH PO Acetone Heat, water
1. Provide the Major Product from the following reactions CrO3, H2S04 Acetone HBr Me OH OH Tsci, Pyr, NaH он Br 2. Provide Reagents for each Letter in the REDOX Ladder See list of Reagents OH on Back OH PCC DIBAL-H (Diisobutylaluminum Hydride) DMSO, COCh then Et:N Swern Oxidation NaBH4 Sodium Borohydride) H2SO4, CrO Jones Oxidation LiAIH4 Lithium Aluminum Hydride KMnO4 NaOCI HNO3 NaOCI/TEMPC DMP (Dess-Martin Periodinane) H2CrO4 A. B. C. D. E. F.
3. Reactions: (21 pts) Draw the structure of the expected organic product(s) formed in the following reactions including correct stereochemistry, if the product is racemic indicate this by either drawing both enantiomers or drawing one and writing racemic. Assume all reagents listed are present in excess unless otherwise noted. If no reaction occurs, state ‘No Reaction'. HI H ) 1) CH3Li CrO2, H2S04 1) H 2) H30+ H2O (xs) CI mCPBA (CH3)3COK J) (CH3)3COH CH2Cl2 K) H2SO4, 1800C OH NaH,...
1. Draw the (major) organic products of the following reactions: HNO3 H2SO4 HN (CH3)3CBr AlBr3 FeBr3 Br Sort the following molecules by their reactivity toward electrophilic aromatic substitution (1-most reactive, 4 2. least reactive): NH2 so,H Place either the letter A or C below the following compounds to indicate whether each of them are achiral (A) or chiral (C) 3. но Cl Determine the configuration (R or S) for each stereocenter in the following compounds: 4. Cl Cl NH2 но...
1. What is the major product for the following reaction? 2. What is the major product for the following reaction? 3. 4. Which reagent or test could be used to distinguish between 3-methyl-2-octene and 3-methyloctane? Ethanol Br2/CCl4 Sodium hydroxide aqueous solution Two of these choices. All of these choices. 5. Which of the following reagents give the highest yield for conversion of 2-bromopentane to 1-pentene? KOH/H2O KOH/CH3OH (CH3)3COK/(CH3)3COH CH3ONa/CH3OH CH3CH2ONa/CH3CH2OH 6. What is the major product for the following reaction?...
write a major product for each of the following reaction, indicate appropriate stereochemistry .ОН 1. HBr (d) 2. NaOCH3, CH30H, A 3. O3, CH2C12, -78 °C;(CH3)2S erem 1. SOBr2 N (e) OH 2. (CH3)3COK, (CH3)3COH 3. Br2, CCI4 4. x's NaNH2; H2O 5. HgSO4, H2SO4, H20
1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry 1) PCC, CHCI 2) Bry, acetic acid 3) KOBU, A 4) NaOEI, ETOH, P CO- 5) H30 workup 6) THF, H.COPPA HC CH2 O e .cat. Pd(OAc) cat. PPh. DMF, EIN 2) LDA, THF. -78 °C 3) Chichen H3O* workup 4) NaBH, EtOH, then H3O+ workup 5) cat. TSOH, benzaldehyde (c) L AL SUO TESTE TO 1) cat. H2SO4. A лон 2) O3, CH, Cl, then (CH),...