Organic Chemistry 2nd Quarter
- Kalamazoo College
- Organic Chemistry
- Organic Chemistry 2
- Organic Chemistry 2nd Quarter
Last Modified: 2012-02-13
- used to oxidize alcohols. Can not be used to oxidize alkenes
- used in conjunction with H2SO4 and H2O
- Usually Chromate in 6+ oxidation state or Manganese
- Uses O3 to break C=C and form C=O (ketones)
- Each carbon in a C=C bond forms a ketone.
- Used to open rings and form ketones.
- Reagent used when attempting to create an enantiomeric selective epoxide.
- Used solely on allylic alcohols
- Draw with OH group in the lower right of the plane and then attach epoxide.
- (-) DET and (+) DET add epoxide group from above or below respectively.
- Catalyst developed to halt the hydrogenation of alkynes.
- Halts the process at an alkene
- Cis alkynes become cis alkenes
- trans alkynes become trans alkenes
- Chromium (IV) oxide (CrO3)
- Palladium absorbed on carbon
- Facilitates the addition of Hydrogen to an alkene, reduces it.
- H2 adds in a syn fashion.
- A molecule's pi electrons are equal to 4n (where n is the number of ∏ electrons) + 2 ∏ electrons
- 1,2-di(group name)benzene
- o-di(group name e.g. chloro, bromo)benzene
- ortho-di(group name)benzene
- meta-di(group name)benzene
- m-di(group name)benzene
- 1,3-di(group name)benzene
- para-di(group name)benzene
- p-di(group name)benzene
- 1,4-di(group name)benzene
- Number to give the lowest possible numbers around the ring
- Alphabetize the substituent names
- When substituents are part of common roots (e.g. Phenol) name the molecule based on benzene. The substituent that comprises the common root is located at C1
- Molecules that are cyclic, planar, and completely conjugated but do not have 4n + 2π electrons.
- Are exceptionally unstable.
- Hydrocarbons containing a single ring with alternating double and single bonds
- Place the number of π electrons in front of the name.
- [# of π electrons]-Annulene
- Name with common name if it is present.
- Number to have the lowest # possible
- Name in alphabetical order
- If common name exists use it first and then name other substituent with lowest numbering.
- Incredibly stable
- Undergo substitution rxns, NOT addition
- All e- are distributed across the p orbitals
- Cannot use p-, o-, or m- to describe it.
- Can still use the common name
- # so substituents have the lowest #
- alphabetize them in the name
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