USEFUL SYNTHETIC PREPARATIONS
379
VLA.13-19 Squillacote, M. and DeFelippis, J., JOC, 59, 3564.
0
R .
N
J. ß
*„N
R
«'"-< O
19-78 %
VI.A.13-20 Alvarez-Ibarra, C. et al., JOC, 59, 2648; see also: Besenyei,
G. et al., TL, 35, 9609.
NHCOSMe
NCO
s C0 2 Me
NHCOSMe
NC(
H. Λ^
l:TMSCI,Et 3 N
H. J \
N ^ X0 2 Me
- _. - - ' . — -
y^^i
L
2: Ph-Me, Δ
A r
A r
100%
VI.A.13-21 Hwu, J.R., Yang, J.C. et al., S, 471.
R
1
R*
j
NaNQ 3> Bu4NNQ 3
j
R^N)Ts
PhH
>
H 2
°
R ^ O N 0 2
67- 92 %
379
VLA.13-19 Squillacote, M. and DeFelippis, J., JOC, 59, 3564.
0
R .
N
J. ß
*„N
R
«'"-< O
19-78 %
VI.A.13-20 Alvarez-Ibarra, C. et al., JOC, 59, 2648; see also: Besenyei,
G. et al., TL, 35, 9609.
NHCOSMe
NCO
s C0 2 Me
NHCOSMe
NC(
H. Λ^
l:TMSCI,Et 3 N
H. J \
N ^ X0 2 Me
- _. - - ' . — -
y^^i
L
2: Ph-Me, Δ
A r
A r
100%
VI.A.13-21 Hwu, J.R., Yang, J.C. et al., S, 471.
R
1
R*
j
NaNQ 3> Bu4NNQ 3
j
R^N)Ts
PhH
>
H 2
°
R ^ O N 0 2
67- 92 %