OChem II 2nd exam

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What does Br2/hv do?

adds a Br to stabilized carbocation spot
What does 1. Li 2. CuI 3. R-Br do?

removes an I(halogen) and attaches R group
What does 1. Li 2. B(OEt)3 do?

removes a halo and replaces with B(OEt)2 group
What does PdL2/OH- do?

removes B(OCH3)2 and adds a double bond with the Br on the given product (CH2=CHBr)
What does 1. Mg 2. CH3OH do?

removes the halo and hydrogenates
1. Mg, Et2O
2. ethyloxycyclo (triangle with O in it)
3. H+, H2O

with halo forms cyclo, halo end gets Et2 group, other end gets OH
NBS/ROOR

adds Br group to any possible places while keeping the double bond
HBr/ROOR

adds Br to where double bond is
Cl2/hv

adds Cl to unstablized carbocation
PdL2/Et3N

attaches given double bond group
Mg/triangle O group

replaces halo with # of carbons and a OH not at end
PdL2, OH-
and a B(CH3O)-R

attaches double bond of R group to where the B(OCH3)2 group is
HBr/ROOR

removes double bond and replaces with Br
1. HBr
2. Li
3. CuI
4. CH3I

removes double bond from cyclohexene and places R group in that spot
1. HBr, ROOR
2. NaCN

adds a CN group at end
how to remove an halo and add a R group to an alkane
- 1. Li
- 2. CuI
- 3. R-Br
how to add a Br on the 2nd carbon (not at end)

Br2/hv
how to add a Cl

Cl2/hv
how to add a double bond where a Br is
- double bond Rgroup
- PdL2, Et3N
how to add a chain with a OH branched off where a Cl is
- 1. Mg
- 2. Triangle with O
how to add a double bond group where a B(OCH3)2 is
- PdL2, OH-
- B(OCH3)2-R-group w/ double bond
how to remove a double bond (from a alkene) and place a Br
- HBr
- ROOR
how to remove a double bond from a cyclohexene and place an R-group in that spot
- 1. HBr
- 2. Li
- 3. CuI
- 4. CH3I
How to add a CN to an Alkane
- 1. HBr, ROOR
- 2. NaCN
how to add a Br without breaking double bond

NBS/ROOR
how to replace a double bond with a Br

HBR/ROOR

Author

lacythecoolest

287873

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OChem II 2nd exam

Description

reagents and rxns for ochem II 2nd exam

Updated

2014-11-02T19:25:24Z