
Which would be the best sequence of reactions to use in order to prepare trans-3-nonene from...
Which conditions would be best for the preparation trans-2-methyl-3-hexene? a) 1) NaNH2 2) CH CH Br 3) Na, NH3 b) 1) NaNH2 2) (CH3)2CHB 3) Na, NH3 1) NaNH 2) CHCHBr 3) Hz, Lindlar Cat d ) 1) NaNH2 2) CH3CH2Br 3) Ha, Pt
QUESTION 3 Which sequence of reactions would be best for achieving the transformation shown below? ? H2N 1) HNO3 & H2SO4 1) HNO3 & H2SO4 1) & AICI 1) & AICI Ci 2) 2) H2 & Pd/c C В & AICI 2) Cl2 & FeCl3 2) HNO3 & H2SO CI 3) & AICI 3) NH3 3) H2 & Pd/c 3) H2 & Pd/c CA С в C c
Question 3 Which reaction condition(s) would give the wanted product from the given reagent? CH2CH3 - CH2CH3 NaNH2 in NH3 Na in NH3 H2, and Lindlar's catalyst H2, Pd/C 1. BH3, THE 2. H202, NaOH (aq)
In each reaction box, place the best reagent and conditions from the list below 1) excess NaNH2 2) 3) 4) PBrs H2, Lindlar catalyst ВН+THF 2 equiv. NANH2 CH3Br Hо, НSO4, Hgso NaBH Na, NH3 () HаОг, NaOH, H>o HBr CH3CH2Br Br2
In each reaction box, place the best reagent and conditions from the list below 1) 2) 3) 4) HBr PВrg Вн/THF excess NaNH2 H20, H2SO4, HgSO4 NaBH4 CH3Br H2, Lindlar catalyst H2O2, NAOH, H20 СH-CH2Br Br2 Na, NH3 () 2 equiv. NaNH2
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
(5 pts) The structure of the product, C, of the following sequence of reactions would be: CH3CH,Br H2 NH3(1) Ni,B [P-2] NaNH2 A C
predict the major products obtained from each of the following reactions and show the stereochemistry where pertinent. NaNH2 1 ) 2) H30 H2, Pd/BaSO4 OsO4 Quinoline NMO NH3 1) MCPBA Na 2) H3o
In each reaction box, place the best reagent or reactant from the list below. Reagents may be used more than once or not at all. Draw the intermediate products B and C (both are neutral; omit byproducts) acetylene Na/NH3 H2, Lindlar's cat 2-butanone NaNH2 1.2) 1-bromo-2-methylpropane H2, Pd/C NaNH2 NaNH2 2.2) 2.3) Ht step 3 reagent OH
18. Which sequence of reagents would be expected to accomplish the transformation of 1-butyne shown below? A) 1)H2O/H2SO4, HgSO4 cat.; B) 1)HBr C)1)H2, Lindlar catalyst; D) )HBr, peroxides; E) O 2) H2, Pt 2) H2, Pt; 2) BH3*THF; 2) NaOH; 2) H2O 3) NaOH 3) H202, NaOH 3) H2, Pt