Journal of Natural Products
(-)-Grandisin form Cryptocarya crassinervia.
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The known lignan (-)-grandisin [1] has been isolated from Cryptocarya crassinervia by using the brine shrimp lethality test to direct the isolation; its structure and relative stereochemistry have been determined by ir, 1H nmr, ms, and X-ray crystallography as an all-trans alpha, alpha'-diaryl-beta, beta'-dimethyltetrahydrofuran. Compound 1 is not significantly cytotoxic in our panel of human tumor cells.
