Tetrahedron Letters p. 7935 - 7938 (1999)
Update date:2022-08-05
Topics:
Hiebl, Johann
Kollmann, Hermann
Levinson, Sidney H.
Offen, Priscilla
Shetzline, Steven B.
Badlani, Ruchi
A new and general synthesis of methyl isoquinoline-3-carboxylates is described starting from aromatic 1,2-dialdehydes by reaction with protected phosphonoglycine derivatives. Methyl 1-oxo-1,2-dihydroisoquinoline-3-carboxylates are obtained from 2-formylbenzoate derivatives. This new method allows the preparation of isoquinolines having electron-withdrawing groups on the benzene ring.
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