test II_Fall2007_Key

test II_Fall2007_Key - Chemistry 223 Organic Chemistry II...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 223 Organic Chemistry II Test II Key October 17, 2007 Dr. Latifa Chahoua (42)1. Write the major products or reactants (as indicated) in the reactions below. a. Et 2 O Cl O + (CH 2 =CH) 2 CuLi CH=CH 2 O b. THF Ph 3 P CHCH 2 CH 3 + O c. CH 3 NH 2 H C O CH 3 + C NCH 3 CH 3 d. e. O HCN, KCN CN OH f. g AlCl 3 CH 2 Cl 2 Cl + O O
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
h. NH O O 1)LiAlH 4 2) aq NH 4 Cl NaBH 4 CH 3 CH 2 OH NH O HO NH HO i. O O OCH 3 HOCH 2 CH 2 OH HCl, 1) LiAlH 4 , THF 2) HCl,H 2 O, O OH O O OCH 3 O j. O O OCH 3 NaBH 4 H 2 O OH O OCH 3 k. l. (8)2. Provide reagents that will accomplish the following transformations. You may need more than one step. O O O O O a) b) O N(CH 3 ) 2 O Cl CH 3 CH 2 OH H + 1)H 2 O,H 3 O + heat 2) SOCl 2 2 2
Background image of page 2
(7) 3. Provide a detailed mechanism for the following reaction. H 3 C O CH 2 CH 3 O O 1. CH 3 MgBr (1 mole) 2.H 3 O + O O O - O O CH 2 CH 3 O O + CH 3 CH 2 O - H H H 3 O + (12) 4. 4-oxocylohexanecarbaldehyde reacts with ethylene glycol (HOCH 2 CH 2 OH) in an acid catalyzed reaction to form an acetal A . The reaction is followed by reduction with NaBH 4 in H
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

test II_Fall2007_Key - Chemistry 223 Organic Chemistry II...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online