Abstract
Recent studies on the preparation of porous nano-materials revealed that the use of kaurane diterpenoids molecules from steviol as biological template favors the obtaining of metallic oxides with tubular morphology as nanorods or nanofibers. In this sense, the present contribution shows an analysis in order to understand how these glycosides of kaurane diterpenoids control the nucleation and growth of inorganic materials favoring the obtaining of these morphologies. For this purpose, it was necessary to carry out studies of the leaf aqueous extract of Stevia rebaudiana by HRTEM, FTIR and 1H-NMR.
Highlights
Diterpenoids constitute a class of natural compounds among the richest in terms of chemical structure and highly diverse properties [1,2,3]
Recent studies on the preparation of porous nano-materials revealed that the use of kaurane diterpenoids molecules from steviol as biological template favors the obtaining of metallic oxides with tubular morphology as nanorods or nanofibers
Our recent studies on the preparation of porous nanomaterials revealed that the use of diterpene glycoside molecules from steviol as biological template favors the obtaining of metallic oxides with tubular morphology as nanorods [7] or nanofibers [4]
Summary
Diterpenoids constitute a class of natural compounds among the richest in terms of chemical structure and highly diverse properties [1,2,3]. Diterpenoids can be subdivided into acyclic (phytanes), bicyclic (labdanes, clerodanes), tricyclic (pimaranes, abietanes, cassanes, rosanes, vouacapanes, podocarpanes), tetracyclic (trachylobanes, kauranes, aphidicolanes, stemodanes, stemaranes, beyeranes, atisan macrocy-clicditerpernes (taxanes, cembranes, daphnanes, tiglianes, ingenanes) and mixed compounds, in accordance with the number and the cyclization patterns displayed by their skeletal [1,2] Natural compounds of this class have been found in many plants, fungi, sea organisms and insects [1]. We are interested in understanding how these glycosides of kaurane diterpenoids control the nucleation and growth of inorganic materials, which favor the obtaining of various characteristic morphologies It is for this reason that the employing of this ent-kaurane diterpenoids as biological templates for the preparation of porous nanomaterials is discussed on this communication.
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