CHM230 Class Worksheet Alkene and Alkyne reactions Give the major product of each of the following...
1. PREDICT THE PRODUCT: Provide the structure of the major product expected from the following reactions or reaction sequences. Make sure you account for any regio- and/or stereochemistry! (24 pts.) H2O 1. Hg(OAC), CH, OH 2. NaBH H2SO4 H20 1) BH-THF 2) H202, KOH HBr Bry, H2O HBr ROOR 1. BH3-THF 2. H2O2, NaOH H20, H2SO4 1. NaNH2 H2 H-CEC-CH2 CH2 CH3 2. CH CH Br Lindlar cat 1. Sia BH-THF 2. H2O2, H2O
1) For the following reactions, draw the product(s). Remember to keep in mind carbocation rearrangements, stereoselectivity (syn/anti addition) and racemic mixture of enantiomers due to formation of new chiral centers. h) Lindlar's catalyst excess CH3CH2C CH HCI H2O, H2S04 HgSo k) 1.9-BBN 2. H202. NaOH CH3CH2CH2-CEc-CH3 excess Ce CH3CH2CH2-CEC-CH3 CCI4 1 eq Br2 CCl 1. Оз 2. H20 n) o) H 1) NaNH2 H3C 2) CH3CH2CH2Br
1. (15 pts) Give the structure of the major organic product formed in each of the following reactions. H, (1 atm) HC-CEC-CHE- Lindlar Catalyst HCI HAC-CEC-CH. Large Excess CI HAC-CEC-CH3 - 1. (Sia), BH HyC-CEC-CH3 2. H,O,, NaOH (Sia),BH BrHCEC Na NH, (liu)
PRACTICE!!! CHEM 3010 Practice exam 3 Give the major product from the following reactions: 2 mol HCI H - C C -CH, B. 2 mol Brz H-CEC-CH3 HCEC-CHE H / Pd on Carbon H/Lindlar Pd H-CECCH 1) NHÀ 2) CH Br HAC-CECH
2. Write the major organic product expected from each of the following reactions: (120 pts) (a) CH&CH CH2Br+ NaOH in acetone solvent (b) 1-methylcyclopentene + HCI (c) cyclopentanol+ H2SO4+heat (e) 1-pentyne+H2O H2SO4 (8) benzene + methyl iodide+AICI (i) 2-methyl-1-pentene+ BHo, then HOOH and NaOH () 2-bromobutane + CH,CH,ONa in ethanol (d) 1-pentene + HBr with trace peroxide (f) 1,2-bromopentane + NaNH2 in liquid ammonia (h) ethylbenzene + HNO, + HSO
Give the major product from the following reactions: 2 mol HCI H-CEC-CH3 B. 2 mol Br2 H-CEC-CH3 H/Pd on Carbon H- C= C—CH3 H/Lindlar Pd H-CEC-CH3 1) NH) 2) CH Br H2C-CECH
1. (24) Write structural formulas for the major organic product(s) for the following reactions. Be sure to indicate the stereochemistry when relevant. HC CH=CH2 H CH,OH CH2OH 1. Na, liq. NH (b) CH,CH.C=CCH CH3 HẠCH, B, P NH, 2.D2, Pt Cl2 HC CCH2CH=CH CH,CH HCC CH,Cl2 1. BH/THF (d) CH,CH,C=CH2 2. H,02, HO", H0 CH -0.47- CH; Br2 excess NaCl 1. 03,-78°C 2. (CH3)2S woboto (h) + Br₂ -
Write all of the possible products for each of the following reactions, indicating appropriate stereochemistry My 3.(50 Points) Write all of the possible product(s) for each of the following reactions, indicating appropriate stereochemistry. ANY EIGHT ONLY 2. KMnO4 , Haso, , Δ 2. SOBr2 (e) CH3- CH-C-B 3. Zn, CH,cOOH 1. HBr 2. CH.COOH OCH 1. s0. conc HSO 2. cone HNOss conc HyS0, 3, NaOH(used), △ 2. conc HNOs, conc H.SO 1. 2 u 2. Cul 3. Br SO2CI....
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
(30 pt) Draw the structures of the MAJOR products for the following reactions. Be sure to clearly show the REGIO- and STEREOCHEMISTRY of each product. H2SO4 X - H2O BH3 H2O2 THF H20, OH Br2 CH2OH excess HBO d) CH3-C=C-CH3 1 eq Cl2 e) CH3 -C=C-CH3 CH2Cl2 Na CH3CO2H 9) CH.-C=C-H, under CH3COH f) CH3-CEC-CH3 liquid NH3 -78 °C H202 g) CH3CH2-CEC-H R2BH THE H2O, OH NaNH2 CH3CH2Br H2SO4 h) CH3CH2-CEC-H my Chcn=c20-n, Nanets, Cheka na H2O HgSO4 heat 1...