66
ORGANIC SYNTHESIS—1995
I.A.8-4 Buttle, L. and Motherwell, W.B., 7X, 35, 3995.
Comparative Studies on the Generation and Cyclisation
Reactions of Difluoroalkyl Radicals
LA.8-5 Curran, D.P. et al., TA, 5, 199, see also: JACS, 116, 8430.
TMS
L COR* TMS
ditin
R* = D-camphor
sultam
Bu 3 SnH
3) HI
/ ^ v ^ C O R *
„xCOR"
60%
71:29
'1CH 2 ) 2 -S=-TMS
T C H 2 ) 2 - = - T M S
I.A.8-6 Lee, I.-Y.C. et al., TL, 35, 4173.
Bu 3 SnH
»
hv
fn ''SePh
n = 0-3, R = H, Me
45-93%
ORGANIC SYNTHESIS—1995
I.A.8-4 Buttle, L. and Motherwell, W.B., 7X, 35, 3995.
Comparative Studies on the Generation and Cyclisation
Reactions of Difluoroalkyl Radicals
LA.8-5 Curran, D.P. et al., TA, 5, 199, see also: JACS, 116, 8430.
TMS
L COR* TMS
ditin
R* = D-camphor
sultam
Bu 3 SnH
3) HI
/ ^ v ^ C O R *
„xCOR"
60%
71:29
'1CH 2 ) 2 -S=-TMS
T C H 2 ) 2 - = - T M S
I.A.8-6 Lee, I.-Y.C. et al., TL, 35, 4173.
Bu 3 SnH
»
hv
fn ''SePh
n = 0-3, R = H, Me
45-93%