Cytotoxic neolignans from the stem wood of Machilus obovatifolia.

Cytotoxic neolignans from the stem wood of Machilus obovatifolia.

Planta medica (2000-07-26)

I L Tsai, J H Chen, C Y Duh, I S Chen

ABSTRACT

Four new cytotoxic neolignans, machilusol A (1), machilusol C (3), machilusol D (4), machilusol E (5) as well as two new inactive neolignans, machilusol B (2) and machilusol F (6), were isolated from the stem wood of Machilus obovatifolia. All structures were identified by means of spectroscopic analysis.

MATERIALS

Product Number

Brand

Product Description

35620

Supelco

2,6-Dichloroquinone-4-chloroimide, for spectrophotometric det. of vitamin B₆, ≥99.0%

D6511

Sigma-Aldrich

2,6-Dichloroquinone-4-chloroimide, ≥95% (TLC), suitable for detection of phenols