Exercício de Química Sintética e Organica Mista (805)

Prévia do material em texto

A-2. (a) (c) (C6H5CH2CH2)2O
(b) (d ) K2Cr2O7, H
+, H2O, heat
A-3. (a) (CH3)2CHO
�Na� (e)
(b) (CH3)2C��O ( f )
(c) (CH3)2C��O (g)
(d )
A-4. (I)
(II)
A-5. (a) (c)
(b)
A-6. (a) PCC or PDC in CH2Cl2
(b) Na2Cr2O7, H
�, H2O, heat
(c) 1. LiAlH4; 2. H2O
(d ) OsO4, (CH3)3COOH, (CH3)3COH, HO
�
A-7.
O
CO2CH3
C
O
CO2H
B
OH
OH
A
HO
OH
C C
H
H3C H
CH3
H
O
O
(CH3)2CHCH2MgBr (CH3)2CHCH2CH2OH
1. H2C O
2. H3O
�
(CH3)2CHCH2Br � Mg (CH3)2CHCH2MgBr
(CH3)2CHBr � Mg (CH3)2CHMgBr (CH3)2CHCH2CH2OH
2. H3O
�
O
1. H2C CH2
CH3COCH(CH3)2
O
CH3COCH(CH3)2
O
COCH(CH3)2
O
CH3CH2
CH3(CH3)2CHOSO2
(CH3C)2O; or CH3CO2H, H
�
O
CH3CCl, pyridine; or
O
C6H5CH2CH
O
800 APPENDIX A