Synthesis of polycyclic oxa-coumarins, potential antitumour agents and a short and convenient synthesis of naphthopyranoquinolines from naphthopyran chloroaldehydes

DOI: 10.1016/S0040-4020(01)90128-0

Source and publish data:

Tetrahedron p. 5199 - 5208 (1992)

Update date:2022-08-05

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Authors:

Sami Sami

Kar Kar

Ray Ray

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Article abstract of DOI:10.1016/S0040-4020(01)90128-0

A three step high yielding synthesis of some novel oxa-coumarins (4, 8 and 9) from chloroaldehyde derivatives (1 and 5) have been described. The chloroaldehydes have also been used for two step synthesis of some novel naphthopyranoquinolines (12, 15) via

Full text of DOI:10.1016/S0040-4020(01)90128-0

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