Complete these alkene E+ addition reactions by giving the products or starting materials. When appropriate, show the stereochemistry.
a. Addition to HX
b. Hydration
c. Hydrocarbon
d. Halogenation
e.Formation of a halohydrin
f.Hydrogenation
Complete these alkene E+ addition reactions by giving the products or starting materials. When appropriate, show...
2. Complete the following reaction schemes by giving the structure of the missing products, starting materials, or solvents. Give the correct stereochemistry where appropriate H, CCB KOH, DMF HE b. 5CHANH T B DMSO (CH),CLI THE CH2CH3 CICH,CH SNa aprotic solvents NaN SN
Identify the reagents that are needed to complete the sddition reactions of a) Alkene ---Alkyl halide b) Alkene --Cyclopropane c)Alkene ---Halohydrin d) Alkene--Epoxide e) Alkene---Diol f) Alkene --Polymer
15. Complete the following alkene preparation reactions. Show only the major product unless otherwise noted. Show stereochemistry where appropriate. b. 2-heptyne- cis-2-heptene c. Ph-C C-C2-CH3 2) NH CI alc KOH d. 2-chloro-1-isopropylcyclohexane CH3 e. CH CH,CH,CHCHCHOCH/CHOH (show all products, label major) alc KOH Br (show all products, label major) alc KOH h. Cl (show all products, label major) Cl KOtBu /tBuOH (show all products, label major)
Draw the products of the following reactions, indicating both
regiochemistry and stereochemistry when appropriate.
draw the organic product(s) expected when this compound
undergoes the Simmons-Smith reaction.
Draw the product of the reaction below.
Reaction of 3-methyl-1-butene with
CH3OH in the presence of H2SO4
catalyst yields 2-methoxy-2-methylbutane by a
mechanism analogous to that of acid-catalyzed alkene hydration.
Draw curved arrows to show the movement of electrons in this
step of the reaction mechanism.
Give the syn or anti addition products for the following addition reactions. Show appropriate stereochemistry if necessary to get the full credits. (5 points total) H2/Pt 1 point Br2 1 point 1. BH3 2. H2O2/KOH 1.5 points D Br2/H2O Brytzo 1.5 points
Give products. Be sure to show stereochemistry where
appropriate
The net result is anti addition - the two Br add to opposite faces of the Cl_2 can also be used; F_2 is too reactive, I_2 not reactive enough. Give products. Be sure to show stereochemistry where appropriate. Other species such as water can act as nucleophile; e.g. Halohydrin formation can be thought of as following Markovnikov Br^+ and OH^- instead of H and X
Give the syn or anti addition products for the following addition reactions. Show appropriate stereochemistry if necessary to get the full credits. (5 points total) Hz/Pt D HPA 1 point Br2 1 point 1. BH3 2. H2O2/KOH 1.5 points D 2. POKOH Brito Br2/H20 1.5 points
2. Give the syn or anti addition products for the following addition reactions. Show appropriate stereochemistry if necessary to get the full credits. (5 points total) H2/Pt D Help! 1 point Brz 1 point 1. BH3 2. H2O2/KOH 1.5 points y Broltzo Brz/H20 1.5 points
2. Give the syn or anti addition products for the following addition reactions. Show appropriate stereochemistry if necessary to get the full credits. (5 points total) H2/Pt D HPA 1 point 1 point 1. BH3 2. H2O2/KOH 1.5 points o Brutto Br2/H20 1.5 points
2. Give the syn or anti addition products for the following addition reactions. Show appropriate stereochemistry if necessary to get the full credits. (5 points total) Н2/Pt 1 point Br2 1 point 1. BH3 2. H.О2/КОН 1.5 points 1.5 points Br2/H20