Chemistry Letters p. 767 - 770 (1986)
Update date:2022-08-11
Topics:
Hashimoto, Kazuhiko
Sumitomo, Hiroshi
Suzuki, Masanori
New bromo-substituted bicyclic oxalactam, 4(e)-bromo-8-oxa-6-azabicyclo<3.2.1>octan-7-one (1) was synthesized from sodium 3,4-dihydro-2H-pyran-2-carboxylate.Sodium salt of 1 was found to be oligomerized with the simultaneous desalting in dimethylformamide at 25 degC to give novel oligomers having a bicyclic oxalactam ring in each monomer unit.
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