REVISION OF STRUCTURE OF A NEW COUMARIN ISOLATED FROM Artemisia carviforia Wall

Takashi HARAYAMA; Keiko KATSUNO; Yoshitaka NISHITA; Masako FUJII

doi:10.1248/cpb.42.1550

Chemical and Pharmaceutical Bulletin

Online ISSN : 1347-5223
Print ISSN : 0009-2363

REVISION OF STRUCTURE OF A NEW COUMARIN ISOLATED FROM Artemisia carviforia Wall

Takashi HARAYAMA, Keiko KATSUNO, Yoshitaka NISHITA, Masako FUJII

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Keywords: Claisen rearrangement, aryl propargyl ether, salicylaldehyde, Wittig reaction, coumarin synthesis, structure revision

JOURNALS FREE ACCESS

Volume 42 (1994) Issue 7 Pages 1550-1552

DOI https://doi.org/10.1248/cpb.42.1550

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Abstract

Four coumarins (1-4) were synthesized by routes shown in Charts 2-5, respectively. A proposed structure for a new coumarin isolated from Artemisia carviforia was incorrect, and the structure of coumarin should be represented by formula (3).

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