SYNTHESIS OF HETEROCYCLES
251
IV.E-26 Brigas, A.F. and Johnstone, R.A.W., CC, 1923; see also
Caubere, P. et al., T, 50, 11893.
N V N > h
V^z^l ,
F}
I
Ni(acac) 2 /PPh 3
P h
»
DIBAL
48%
IV.E-27 McMills, M.C. et al., TL, 35, 8311; Padwa, A. et al, JACS,
116, 2667 and JOC, 59, 5518 and TL, 35, 7159.
Rh 2 (OAc) 4
CH 2 C1 2 , rt
IV.F.
Pyrroles. Indoles etc.
IV.F-1 Larock, R.C., Weinreb, S.M. et al., JOC, 59, 4172; see also:
Huwe, CM. and Blechert, S., TL, 35, 9537; Tamaru, Y. et al., CC, 2531.
Pd(0)
NHTs Na 2 C0 3
similarly for piperidines