(5 pts) The structure of the product, C, of the following sequence of reactions would be:...
Which would be the best sequence of reactions to use in order to prepare trans-3-nonene from 1-butyne? 1. NaNH2 in NH3; 2. 1-bromopentane, a. 3. H2, Lindlar Pd 1. Na, NH3 2. NaNH2 in NH3; 3. 1-bromopentane 1. NaNH2 in NH3 2. 1-bromopentane, C3 Na NH3 1. H2. Lindlar Pd 2. NaNH2 in NH3 31-bromopentane
1. (20 pts) Write the structure of the product of each step of these reactions. Be careful to consider if rearrangements occur and if stereoisomers are formed (if so, write the stereo- isomers). HBr Нао 95°C H2 Н2о Lindlar cat. H2SO4 (cat) Na 1) BH3:THF NH3 2) H202, H20, NaOH КОН Н2 Br Pd-C
Testbank question 171 Which sequence of reactions is expected to produce the product below as the final, and major, organic product? t FULL SCREEN PRINTER VERSION BACK Testbank, Question 171 XYour answer is incorrect. Try again. Which sequence of reactions is expected to produce the product below as the final, and major, organic product? Br H CH2CH3 ? +enantiomer H Br 1) Br2, CCI4; 2) H2, Lindlar's cat. 1) H2, Lindlar's cat.; 2) Br2, CCI4 1) Br2, CCI4; 2) Na,...
trp 13. [04 pts.] What is the major product produced in the following reactions? C-C Alt yru 7 1. NaNH2 /NH Br 2 ABr er
2. Reactions: (27 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'. Ha, Pd/C Cl2, hv A) Br CH, OH B) CH3CH,CH, OH H2SO4 D) NaBH "H CH,CH, OH SOCI TEA OTS E) CH SNa DMSO...
2. Reactions: (27 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'. Ha, Pd/C Cl2, hv A) Br CH, OH B) CH3CH,CH, OH H2SO4 D) NaBH "H CH,CH, OH SOCI TEA OTS E) CH SNa DMSO...
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
Problem #1 Draw the major product(s) expected from the following sequence of reactions: A Br 1. t-BUOK 2. 03 ? 3. DMS Problem #2 Complete the following reactions: - CH₂ | NaP, NH40 , Na', NH3(0) H2(g) нс Hy() Pd on Cacog PbO2
1) What are the products of the following sequence of reactions? Write the structure of the intermediates (reaction with Mg), and the structure of the final product. 1) Mg, Diethyl ether Н,о A Br A) 2-butanol and MgHBr C) butane and Mg(OH)Br B) butane and MgHBr D) 2-butanol and Mg(OH)Br 2) What is the major product of the following reaction? Write the structures of intermediates and the products. 2) Mg, Diethyl ether 1. Н.С-о 2. H20* Br B) 2-ethyl-1-pentanol D)...
1. What is the major product of the following sequence of reactions? a. 1. Li 1. 2. Cu 2. H20 b. H2 (1 equiv. Pd(s) Which of the reaction conditions would accomplish this transformation? 2. A. 1 . CH3SH (excess), H' 2. Raney Ni B. . H2NNH2 2. HO, H2O/A Zn, HCI acetic acid / Δ None of these C. D.