Homework Answers
As there are many alkenes and many reactions, I will do the reaction of the first alkene with the first 6 reagents
1) The addition of HBr to an alkene follows Markovnikov's rule which states that the hydrogen adds to that carbon which has more number of hydrogens
2) Bromine add on to the double bond, one to each carbon
3) Addition of water in
presence of acid, follows markovnikov's addition, i.e hydrogen adds
on to the carbon having higher number of hydrogens
4) in the presence of bromine water, bromohydrin is formed with bromine adding on to the carbon having more hydrogens and OH adding on to the other carbon
5) Ozonolysis of alkene leads
to breaking of the C=C and the formation of aldehydes and ketone
(depending upon wither the carbon has hydrogen or not)
6) Addition of Bromine in
presence of peroxide follows antimarkonikov's addition. i.e the
hydrogen adds on to carbon containing less number of hydrogens
Add Answer to:
please do 1-6
the
reagents are listed to the right. and each regeant needs to be...
What reagents are used in step III in the following preparation of the aldehyde product? a....
What reagents are used in step III in the following preparation
of the aldehyde product?
a. BH3; H2O2/NaOH
b. Hg(OAc)2/H2O; NaBH4
c. OsO4/NMO
d. O3; Zn/AcOH
l O 2
Question 13 24 pts Match each reaction with its reagents. HO CI N + enantiomer A.)...
Question 13 24 pts Match each reaction with its reagents. HO CI N + enantiomer A.) PBr3 B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.) HCI H.) Cl2, H2O 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H2O M.)1. Hg(OAC)2 2. NaBH4 0.) N.) 1. mCPBA 2. H+, H2O P.) 1. BH3 2. H2O2, NaOH
5.27 Give the principal organic products expected when 1-butene reacts with each of the following reagents...
5.27 Give the principal organic products expected when 1-butene reacts with each of the following reagents (a) Br2 in CH2Cl2 solvent (b) O3, -78 oc (c) product of (b) with (CH3)2S (d) product of (b) with H202 (e) O2, flame (f) HBr (g) I2, H20 (h) H2, Pt/C (i) HBr, peroxides (j) BH3 in tetrahydrofuran (THF) (k) product of G) with NaOH, H,02 (1) Hg(OAc), H2O (m) product of (I) with NaBH4/NaOH (n) HI (o) HI, AIBN
match the right reagent 3 OH + enantiomer + enantiomer 5 CO A.) PBrs B.) NBS,...
match the right reagent
3 OH + enantiomer + enantiomer 5 CO A.) PBrs B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.) HCI H.) Cl2, H2O 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H20 M.)1. Hg(OAC)2 0.) N.) 1. mCPBA 2. H+, H2O 2. NaBH4 P.) 1. BH3 2. H2O2, NaOH 3 OH + enantiomer + enantiomer 6 CO A.) PBrs B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.)...
match the right reagent ОН 7 8 ОН г. . . . . . . +...
match the right reagent
ОН 7 8 ОН г. . . . . . . + enantiomer A.) PBrs B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.) HCI H.) Cl2, H2O 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H20 M.)1. Hg(OAC)2 0.) N.) 1. mCPBA 2. H+, H2O 2. NaBH4 P.) 1. BH3 2. H2O2, NaOH
Starting from 3-methylhex-1-ene as the substrate at the center of your page, draw a reaction map showing the regiochemical and stereochemical outcome or outcomes for each of the following series of reagents. Name each of your products, including stereoche
Starting from 3-methylhex-1-ene as the substrate at the center of your page, draw a reaction map showing the regiochemical and stereochemical outcome or outcomes for each of the following series of reagents. Name each of your products, including stereochemical designations for any chirality centers that are generated.**Pay attention to the possibility of rearrangement when your mechanism produces a carbocation. A. H2SO4, H2OB. 1. Hg(OAc)2, H2O; 2. NaBH4C. 1. BH3•THF; 2. H2O2, NaOHD. Br2, CCl4E. Br2, H2OF. HBrG. HBr, ROORH. 1. O3; 2. DMSI. H2, Pt
Match each reaction with its reagents. HO CI N 1 + enantiomer -OH 4 3 +...
Match each reaction with its reagents. HO CI N 1 + enantiomer -OH 4 3 + enantiomer + enantiomer 6 5 OH w 8 } OH Hol Bre 10 Br + enantiomer to C 10 Br + enantiomer Br 11 Br 12 Reagents: B.) NBS, hv A.) PBr3 C.) - D.) NaOH E.) NaNH2 F.) Br2 H.) Cl2, H2O G.) HCI 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H2O 0.) M.)1. Hg(OAC)2 2. NaBH4 N.)...
13. (12 pts-4 pts each) Show how you could carry out th how you could carry...
13. (12 pts-4 pts each) Show how you could carry out th how you could carry out the following synthesis reactions by placing the letters corresponding to the appropriate reagents above each ar must be in the correct order to receive full credit. priate reagents above each arrow. The reagents A. HBr, ether B. Br2, CH2Cl2 C. Br2, H2O D. 1. Hg(OAC)2, H2O/THF 2. NaBH4 E. 1. BH3, THF 2. H2O2, OH F. H2SO4, H2O/HgSO4 G. NBS, hy H. H/Pd/C...
3. Complete the following reactions of the compound shown by drawing the correct products with CORRECT...
3. Complete the following reactions of the compound shown by drawing the correct products with CORRECT stereochemistry if important (10 pts). Br Br2 in H2O 1. O3 2. MegS HO H2/Pd OP A01018 1. Hg(OAc)2 in THF/Water 2. NaBH NaOH 1. BH3-THF 2. H2O2, NaOH estolqind, ( ym peroxyacid he anolbe o s HBr HBr/peroxide 1. OsO4 2. NAHSO3
Select the best reagents for each of the following transformations. You should only use each set...
Select the best reagents for each of the following transformations. You should only use each set of reagents once. You can record your answers on this worksheet, or type/write on another sheet of paper. You only need to submit the question number and the letter corresponding to the set of reagents from the table below. H2(g), Pd/C HBr HO" 1) Hg(OAc)2, H2O 1) BH; THF 2) NaBH4 2) H202, NaOH(aq) CH,OH, H+ Br2, CH2Cl2 Br2, H20 MCPBA 1) 03, -78°C...
What reagents are used in step III in the following preparation
of the aldehyde product?
a. BH3; H2O2/NaOH
b. Hg(OAc)2/H2O; NaBH4
c. OsO4/NMO
d. O3; Zn/AcOH
l O 2
Question 13 24 pts Match each reaction with its reagents. HO CI N + enantiomer A.) PBr3 B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.) HCI H.) Cl2, H2O 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H2O M.)1. Hg(OAC)2 2. NaBH4 0.) N.) 1. mCPBA 2. H+, H2O P.) 1. BH3 2. H2O2, NaOH
5.27 Give the principal organic products expected when 1-butene reacts with each of the following reagents (a) Br2 in CH2Cl2 solvent (b) O3, -78 oc (c) product of (b) with (CH3)2S (d) product of (b) with H202 (e) O2, flame (f) HBr (g) I2, H20 (h) H2, Pt/C (i) HBr, peroxides (j) BH3 in tetrahydrofuran (THF) (k) product of G) with NaOH, H,02 (1) Hg(OAc), H2O (m) product of (I) with NaBH4/NaOH (n) HI (o) HI, AIBN
match the right reagent
3 OH + enantiomer + enantiomer 5 CO A.) PBrs B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.) HCI H.) Cl2, H2O 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H20 M.)1. Hg(OAC)2 0.) N.) 1. mCPBA 2. H+, H2O 2. NaBH4 P.) 1. BH3 2. H2O2, NaOH 3 OH + enantiomer + enantiomer 6 CO A.) PBrs B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.)...
match the right reagent
ОН 7 8 ОН г. . . . . . . + enantiomer A.) PBrs B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.) HCI H.) Cl2, H2O 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H20 M.)1. Hg(OAC)2 0.) N.) 1. mCPBA 2. H+, H2O 2. NaBH4 P.) 1. BH3 2. H2O2, NaOH
Match each reaction with its reagents. HO CI N 1 + enantiomer -OH 4 3 + enantiomer + enantiomer 6 5 OH w 8 } OH Hol Bre 10 Br + enantiomer to C 10 Br + enantiomer Br 11 Br 12 Reagents: B.) NBS, hv A.) PBr3 C.) - D.) NaOH E.) NaNH2 F.) Br2 H.) Cl2, H2O G.) HCI 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H2O 0.) M.)1. Hg(OAC)2 2. NaBH4 N.)...
13. (12 pts-4 pts each) Show how you could carry out th how you could carry out the following synthesis reactions by placing the letters corresponding to the appropriate reagents above each ar must be in the correct order to receive full credit. priate reagents above each arrow. The reagents A. HBr, ether B. Br2, CH2Cl2 C. Br2, H2O D. 1. Hg(OAC)2, H2O/THF 2. NaBH4 E. 1. BH3, THF 2. H2O2, OH F. H2SO4, H2O/HgSO4 G. NBS, hy H. H/Pd/C...
3. Complete the following reactions of the compound shown by drawing the correct products with CORRECT stereochemistry if important (10 pts). Br Br2 in H2O 1. O3 2. MegS HO H2/Pd OP A01018 1. Hg(OAc)2 in THF/Water 2. NaBH NaOH 1. BH3-THF 2. H2O2, NaOH estolqind, ( ym peroxyacid he anolbe o s HBr HBr/peroxide 1. OsO4 2. NAHSO3
Select the best reagents for each of the following transformations. You should only use each set of reagents once. You can record your answers on this worksheet, or type/write on another sheet of paper. You only need to submit the question number and the letter corresponding to the set of reagents from the table below. H2(g), Pd/C HBr HO" 1) Hg(OAc)2, H2O 1) BH; THF 2) NaBH4 2) H202, NaOH(aq) CH,OH, H+ Br2, CH2Cl2 Br2, H20 MCPBA 1) 03, -78°C...
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