14 research outputs found
Three Distinct Reactions of 3,4-Dihydroisoquinolines with Azlactones: Novel Synthesis of Imidazoloisoquinolin-3-ones, Benzo[1]quinolizin-4-ones, and Benzo[d]azocin-4-ones.
ChemInform Abstract: Total Synthesis of Unsymmetrical Benzils (I), Scandione (I) and Calophione A (II).
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Thesis (M.Sc., Organic Chemistry)--Prince of Songkla University, 200
Synthesis of Benzoazocines from Substituted Tetrahydroisoquinolines and Activated Alkynes in a Tetrahydropyridine Ring Expansion
Base-Mediated Cascade Cyclization: Stereoselective Synthesis of Benzooxazocinone
A new strategy for
the synthesis of the oxa-azabicyclo[3.3.1]Ânonane
subunit, a component of the naucleamide E core structure, has been
developed. This annulation reaction between 1-substituted 3,4-dihydroisoquinolines
and coumarin derivatives conveniently affords the oxa-azabicyclo[3.3.1]Ânonane
framework via a base-mediated cascade cyclization under aqueous conditions.
The value of this work lies in the efficient formation of the oxa-azabicyclo[3.3.1]Ânonane
skeleton via a process whereby all the CâC, CâO, and
CâN bond formations occur in a single chemical operation. In
addition, the subsequent ring opening of these compounds furnished
pyridoisoquinoline derivatives