USEFUL SYNTHETIC PREPARATIONS
VI.A.12-5 Mlochowski, J. et al., JPR, 336,467.
373
R
^ N
MCPBA, CH 2 C1 2
N NMe 2
^
^
R-CN
35-94 %
VLA.12-6 Fürstner, A. and Praly, J.P., AG(E), 33,751.
TBDPS
1:NBS
2: C 8 K
3: TBDPSC1
86%
VI.A.12-7 Correia, J., S, 1127; Otsubo, T., Ogura, F., et al., BCJ, 67, 1759;
Boyle, R.W. et al., SL, 939.
O
R
[I
NaOCl, NaBr, TBAHSO4 ,
R . C N
N H 2
" 48-68%
VI.A.12-8 Herdeis, C. et al., LA, 1117; Santamaria, J. et al., S, 291; Yang,
T.K. et al., H, 38, 1711; see also: Zieger, H.E. and Wo, S., JOC, 59, 3838.
TBSOi
TMSCN, ZnCl 2
CH 2 CI 2 , -78°C to rt'
TBSOi
N
I
C0 2 Me
ÖEt
N'
CN
I
C0 2 Me
86%,80%d.e.