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245	1	0	_aFirst examples of tetracyclic triterpenoids with a D:B-friedobaccharane skeleton. A tentative biosynthetic route
490	0		_vTetrahedron Letters, 45, p.7367-7370, 2004
520	3		_aBaruol (1)and Leonal (2), first examples of tetracyclic triterpenes possessing a D:B-friedobaccharane skeleton, were isolated from Maytenus blepharodes and M. chiapensis, respectively. Their structures were established by spectroscopic analysis, molecular modeling studies and biogenetic background. The implication of the D:B-friedobaccharenyl cation in the biosynthetic route of baccharane and shionane skeletons is discussed. Baruol exhibited b-glucuronidase inhibitory activity, a target in the search for hepatoprotective agents.
700	1	2	_aNúñez, N.J.
700	1	2	_aLópez MR.
700	1	2	_aJiménez I.A.
700	1	2	_aMoujir, L.M.
700	1	2	_aRavelo, A.G.
700	1	2	_aBazzocchi, I.L.
856	4	0	_uhttps://drive.google.com/file/d/1TUHH-3ikD6iaymZsuJTr4qvgKtTPzPeH/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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