110
ORGANIC SYNTHESIS—1995
I.E.1-26 Guy, A. and Serva, L., SL, 647; Grieco, P.A. et al., TL, 35,
2663, 6783.
C ° 2
E t
L1CIO4
C0 2 Et Et 2 0, 22°C, 24h
70%
I.E.1-27 Woo, S. and Keay, B.A., TA, 5, 1411; Kotsuki, H. et al., H,
38, 31.
/
.Λ
Me
MeAICl 2
o
CH 2 C1 2 , -78°C, 5.5h
96%
Me0 2 C
C0 2 Me
I.E.1-28 Journet, M. and Malacria, M., JOC, 59, 6885.
C0 2 Me
Me0 2 C
AIBN, B113S11H
V ^
Ph-H, reflux, 16h
46%