Alkaloids from the Leaves of Cryptocarya chinensis HEMSL.

Fu-Wen LIN; Pei-Lin WU; Tian-Shung WU

doi:10.1248/cpb.49.1292

Chemical and Pharmaceutical Bulletin

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

Regular Articles

Alkaloids from the Leaves of Cryptocarya chinensis HEMSL.

Fu-Wen LIN, Pei-Lin WU, Tian-Shung WU

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Keywords: Cryptocarya chinensis, Lauraceae, pavine alkaloid, (−)-isocaryachine-N-oxide, isoboldine-β-N-oxide, 1-hydroxycryprochine

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2001 Volume 49 Issue 10 Pages 1292-1294

DOI https://doi.org/10.1248/cpb.49.1292

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Abstract

Investigation of the leaves of Cryptocarya chinensis resulted in the isolation of three new alkaloids, named (−)-isocaryachine-N-oxide, isoboldine-β-N-oxide, and 1-hydroxycryprochine, together with seven known compounds. Their structures were elucidated by spectral analysis. The structures of (−)-isocaryachine-N-oxide and 1-hydroxycryprochine were further confirmed by X-ray techniques.

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