Unformatted text preview: Use the back of the page if you need more space for your answers. OH and CH 3 CH 2 Br O (a) (10 points) Prepare (target, as a mixture of stereoisomers) from as only sources of carbon atoms found in the target (b) (1 points) Prepare (target) from as only sources of carbon atoms found in the target OH O and EtO OEt O O O and (CH 3 ) 2 CuLi 4 Li 2 CuCl + LiCl 1) (CH 3 CH 2 ) 2 CuLi 2) dil. H 3 O + + LiBr NaBH 4 in CH 3 OH OR 1) LiAlH 4 2) H 3 O + (racemic) CH 3 CH 2 Br O Br 2 in CH 3 CO 2 H O Br KO t Bu in t BuOH O O (mixture of stereoisomers) OH (racemic) 2 CH 3 CH 2 Li (CH 3 CH 2 ) 2 CuLi + EtO OEt O O NaOEt, EtOH, Δ EtO OEt O O O 1) (CH 3 ) 2 CuLi 2) dil. H 3 O + EtO OEt O O 2) 1) NaOH, H 2 O H 3 O + , Δ OH O...
View
Full Document
- Spring '08
- Iverson
- Organic chemistry, Atom, Reaction, Organic compound, Chemical bond
-
Click to edit the document details