REDUCTIONS
203
III.A-18 Zielinski, C. and Schäfer, HJ., TL, 35, 5621.
Diastereoselective Cathodic Reduction of Chiral Phenylgiyoxyl Amides.
III.A-19 Shimizu, I., Yamamoto, A. et al., JOM, 473, 257.
OH
[(cod)Ru(Q 2 CCF 3 ) 2 ] 2
I
HC0 2 H, NEt 3
*" \ ^ ^ C 0 2 H
50-80 %
III.A-20 Ohmori, H. et al., CPß, 42, 1041.
Ph 3 P, CH 2 C1 2 , rt
R-C0 2 H
~^—p
»" R-CHO
T + c o 4 , CCE
0-75 %
NH
CCE = constant current electrolysis
III.A-21 Martinez, J. et al., TU 35, 9031.
P
R
V A
LTEPA
Χ^
Λ
I
O
r=
»►
ΡΓ ΧΗΟ
^Ν-^/
ΟΓ
H
χ '
Vi
LiAIH(0'Bu) 3
N
0
55-90%
203
III.A-18 Zielinski, C. and Schäfer, HJ., TL, 35, 5621.
Diastereoselective Cathodic Reduction of Chiral Phenylgiyoxyl Amides.
III.A-19 Shimizu, I., Yamamoto, A. et al., JOM, 473, 257.
OH
[(cod)Ru(Q 2 CCF 3 ) 2 ] 2
I
HC0 2 H, NEt 3
*" \ ^ ^ C 0 2 H
50-80 %
III.A-20 Ohmori, H. et al., CPß, 42, 1041.
Ph 3 P, CH 2 C1 2 , rt
R-C0 2 H
~^—p
»" R-CHO
T + c o 4 , CCE
0-75 %
NH
CCE = constant current electrolysis
III.A-21 Martinez, J. et al., TU 35, 9031.
P
R
V A
LTEPA
Χ^
Λ
I
O
r=
»►
ΡΓ ΧΗΟ
^Ν-^/
ΟΓ
H
χ '
Vi
LiAIH(0'Bu) 3
N
0
55-90%