68
ORGANIC SYNTHESIS—1995
I.A.8-10 Crich, D. and Yao, Q., T, 50, 12305.
Br>
Λχ
Bu 3 SnH
AIBN
A.
Ph(CH 2 ) 3 ^ "Et 53%
I.A.8-11 Huval, C.C. and Singleton, D.A., JOC, 59, 2020.
51-89%, 53:47 to 83:17
I.A.8-12 Molander, G.A. and McKie, J.A., JOC, 59, 3186; see also:
Aurrecoechea, J.M. and Fananas-San Anton, R., JOC, 59, 702.
1) Sml 2 , 'BuOH
THF, HMPA*
2) H 3 0
+
cylization with benzoate displacement reported with S111I2 / Pd(0)
I.A.8-13 Hiroi, K. et al., CPB, 42, 470; Ryu, I., Sonoda, N. et al., SL,
941.
Ni(COD) 2 ^
DMSO or MeCN
chiral phosphine
20-97%, 1-90% ee
ORGANIC SYNTHESIS—1995
I.A.8-10 Crich, D. and Yao, Q., T, 50, 12305.
Br>
Λχ
Bu 3 SnH
AIBN
A.
Ph(CH 2 ) 3 ^ "Et 53%
I.A.8-11 Huval, C.C. and Singleton, D.A., JOC, 59, 2020.
51-89%, 53:47 to 83:17
I.A.8-12 Molander, G.A. and McKie, J.A., JOC, 59, 3186; see also:
Aurrecoechea, J.M. and Fananas-San Anton, R., JOC, 59, 702.
1) Sml 2 , 'BuOH
THF, HMPA*
2) H 3 0
+
cylization with benzoate displacement reported with S111I2 / Pd(0)
I.A.8-13 Hiroi, K. et al., CPB, 42, 470; Ryu, I., Sonoda, N. et al., SL,
941.
Ni(COD) 2 ^
DMSO or MeCN
chiral phosphine
20-97%, 1-90% ee