Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
Notes
Two New Cyclopentenone Derivatives and a New Cyclooctadienone Derivative from Erigeron annuus (L.) PERS., Erigeron philadelphicus L., and Erigeron sumatrensis RETZ.
Takeyoshi IijimaYasunori YaoitaMasao Kikuchi
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2003 Volume 51 Issue 7 Pages 894-896

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Abstract

Two new cyclopentenone derivatives, erigerenones A (1) and B (2), and a new cyclooctadienone derivative, erigerenone C (3), were isolated from the aerial parts of Erigeron philadelphicus L. Compound 2 was also isolated from the aerial parts of Erigeron annuus (L.) PERS. and Erigeron sumatrensis RETZ. The structures of 1—3 were elucidated on the basis of their spectral data.

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© 2003 The Pharmaceutical Society of Japan
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