300
ORGANIC SYNTHESIS—1995
IVtK t (> t
HçtçrQçyçlçs with 3 Qr mQrç N's
IV.K.6-1 Palacios, F. et al., //, 38, 95; Hlasta, DJ. and Ackerman, J.H.,
70C, 59, 6184; Garanti, L. et al., H, 38, 291; Prager, R.H. and Razzino,
P., A7C, 47, 1375.
î
-
ïX ^
(EtO) 2 I*
N 3
R 2
\
( E t O ) 2 P - ^ ^ P ^ * N
I
Ph-Me,A
X X
Ri
(R 3 ) R 2
«3 (R 2 )
82-95%
IV.K.6-2 Perrocheau, J. and Carrie, R., BSB, 102, 749 (1993); see
also: Augusti, R. and Kaschenes, C , T, 50, 6723.
v
,OR
-15 to 20°
+ RCHN 2
IV.K.6-3 Butler, R.N. et al., JCR(S), 196; see also: Zhivich, A. et al.,
ACS, 48, 596.
R·
A
Ì1 > - R
+
Ph-C^N~N-Ar
^
^ \
N^jf
PIT > r R
17-70%
IV.K.6-4 Kane, J.M. et al., JMC, 37, 125; Tsuje, O. et al., H, 38, 235.
Λ
_ Η
1. RNCS,THF
** **
ι/Λ
ΝΗΝΗ 2
2 · aqNaHCOa
A r
>j
S
A
I
R' 31-77%
ORGANIC SYNTHESIS—1995
IVtK t (> t
HçtçrQçyçlçs with 3 Qr mQrç N's
IV.K.6-1 Palacios, F. et al., //, 38, 95; Hlasta, DJ. and Ackerman, J.H.,
70C, 59, 6184; Garanti, L. et al., H, 38, 291; Prager, R.H. and Razzino,
P., A7C, 47, 1375.
î
-
ïX ^
(EtO) 2 I*
N 3
R 2
\
( E t O ) 2 P - ^ ^ P ^ * N
I
Ph-Me,A
X X
Ri
(R 3 ) R 2
«3 (R 2 )
82-95%
IV.K.6-2 Perrocheau, J. and Carrie, R., BSB, 102, 749 (1993); see
also: Augusti, R. and Kaschenes, C , T, 50, 6723.
v
,OR
-15 to 20°
+ RCHN 2
IV.K.6-3 Butler, R.N. et al., JCR(S), 196; see also: Zhivich, A. et al.,
ACS, 48, 596.
R·
A
Ì1 > - R
+
Ph-C^N~N-Ar
^
^ \
N^jf
PIT > r R
17-70%
IV.K.6-4 Kane, J.M. et al., JMC, 37, 125; Tsuje, O. et al., H, 38, 235.
Λ
_ Η
1. RNCS,THF
** **
ι/Λ
ΝΗΝΗ 2
2 · aqNaHCOa
A r
>j
S
A
I
R' 31-77%