64
ORGANIC SYNTHESIS—1995
LA.7.b.3-6 Russell, G.A. and Shi, B.Z., TL, 35, 3841.
A.
tßuHgCl
Et 3 SiH, DMSO
*Βιι(:Η 2 (:Η(Μβ)(:ο 2 Εΐ
90%
Z = C0 2 Et
I.A.7.b.3-7 Weinges, K. et al., CB, 127, 1305; Matsuda, F. et al., JOC,
59, 6900; Enholm, E.J. and Trivellas, A., TL, 35, 1627; Lee, E., Pak, C.S.
et al., JOC, 59, 1428.
Bn
Sml,
ν^.<
ΛΟΗ
HMPT,THF
-y—V^co 2 Et
60%
similar intermolecuiar reactions & Mg/HgCl2 cyclizations
reported
I.A.7.b.3-8 Meyers, A.I. et al., JOC, 59, 5145.
ORGANIC SYNTHESIS—1995
LA.7.b.3-6 Russell, G.A. and Shi, B.Z., TL, 35, 3841.
A.
tßuHgCl
Et 3 SiH, DMSO
*Βιι(:Η 2 (:Η(Μβ)(:ο 2 Εΐ
90%
Z = C0 2 Et
I.A.7.b.3-7 Weinges, K. et al., CB, 127, 1305; Matsuda, F. et al., JOC,
59, 6900; Enholm, E.J. and Trivellas, A., TL, 35, 1627; Lee, E., Pak, C.S.
et al., JOC, 59, 1428.
Bn
Sml,
ν^.<
ΛΟΗ
HMPT,THF
-y—V^co 2 Et
60%
similar intermolecuiar reactions & Mg/HgCl2 cyclizations
reported
I.A.7.b.3-8 Meyers, A.I. et al., JOC, 59, 5145.