Synthesis and rearrangement of functionalized dispiro[2.1.3.3]Undecanes - preferred C4C5 over C3C4 ring enlargements — Lutz Fitjer (1986) | RDL Network
Synthesis and rearrangement of functionalized dispiro[2.1.3.3]Undecanes - preferred C4C5 over C3C4 ring enlargements
Tetrahedron Letters 27(31): 3603-3606
Article 1986 English
Authors
LF
Lutz Fitjer
MM
Marita Majewski
AK
Andreas Kanschik
Abstract
1 min read
The functionalized dispiro[2.1.3.3]undecanes
9
and
8
undergo cascade rearrangements to yield the bi- and tricyclic systems
10
,
11
,
12
and
3
, respectively. The rearrangements proceed via an initial enlargement of the four-membered ring.
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