reagents

Question 1

Zaitsez elimination

Answer 1

alkene to alkane
reagent : non bulky base
ex: NaOCh3Ch2

Question 2

Hoffman elimination

Answer 2

alkene to alkane

reagent: bulky base
ex: KOC(CH3)3

Question 3

Dehydration

Answer 3

alkane to alkene
reagent : nonnucleophilic acid and heat
acid examples : H2SO4, H3PO4, HF

Question 4

Oxymercuration / Demercuration

Answer 4

Markovnikov addition of OH
Alkene to alkane

1) Hg(OAC)2, H20
2) NaBh4, OH-

Question 5

Hydroboration

Answer 5

Antimarkovnikov addition of OH
Alkene to alkane

1) BH3, Thf
2) H202, Naoh, H20

Question 6

Carbene for cylopropene synthesis

Answer 6

reagents: Ch2N2 with heat

Question 7

epoxide from an alkene

Answer 7

reagents :

1) Br2 or Cl2, H20
2) NaOh

Question 8

Ozonolysis

Answer 8

reagents

1) O3
2) S(CH3)2

Question 9

Radical Hydrobromination

Answer 9

anntimarkovnikov addition of Br

reagent: HBR and peroxide

Question 10

Hydrogenation

Answer 10

alkene to alkane
reagent :
H2, D2
Pt PD, Ni

Question 11

halogenation

Answer 11

alkene to alkane
anti addition of halogen

reagent: Br2 or Cl2, and CCl4

Question 12

Nucleophilic competition

Answer 12

alkene to alkane
anti addition of OH with halogen

reagent: Br2 or Cl2, and H2O

Question 13

Hydrohalogenation

Answer 13

alkene to alkane
markovnikov addition of halogen

regagent: stron acid :
HBR, HCL, HI

Question 14

epoxide synthesis

Answer 14

alkene to epoxide

mCPBA and CH2Cl2

Question 15

Vicinal Diol synthesis

Answer 15

1) OsO4, THF
2) H2s

or for low yield
KMnO4 and NaOH