Bursera schlechtendalii

On the basis of the above spectroscopic studies, structure (7) was assigned to the bisbenzyl-y -butyrolactone-type lignan, which is actually identical to (-)-trans-2-(3,4-dimethoxybenzyl)-3-(3,4-methylenedioxybenzyl)-y -butyrolactone isolated from Bursera schlechtendalii by Cole and co-workers (ref. 10). Therefore this compound was named bursehernin after consultation with Dr. Cole. 

An example of intermolecular heterocoupling is found in the synthesis of the hgnan lactone (—)-bursehernin, which was isolated from organic extracts of the Mexican plant Bursera schlechtendalii and was found to exhibit antitumor activity against the cancer test system, 9KB (adenocarcinoma of nasal pharynx). As shown in Scheme 25.85, the... 

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See also in sourсe #XX -- [ , ]

See also in sourсe #XX -- [ , ]

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