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Fluorinated analogues of pentacyclic oxindole alkaloids optimization production by precursor-directed biosynthesis using Uncaria guianensis in vitro

Grant number: 15/18339-0
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): September 01, 2015
Effective date (End): June 30, 2016
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Organic Chemistry
Principal Investigator:Adriana Aparecida Lopes
Grantee:Bruna Coimbra Araújo
Host Institution: Universidade de Ribeirão Preto (UNAERP). Campus Ribeirão Preto. Ribeirão Preto , SP, Brazil
Associated research grant:13/07349-9 - Oxindole alkaloids from Uncaria tomentosa: biosynthetic studies and alkaloids analogues obtained by precursor-directed biosynthesis, AP.JP


The use of natural products and their analogues have occurred since primordial times, being wide applicability as clinical use drugs. However, the search for new natural products has inherent obstacles to be overcome, such as the possible small amounts produced by the organism and the isolation of compounds already known. Within this context, search and optimization to new strategies for obtaining new molecules and its analogues are fundamental, increasing the possibility of new prototypes for drugs discovery. The precursor-directed biosynthesis (BDP) has proved to be an efficient approach, and easy to perform, in order to obtain new compounds or analogues by supplementation of culture medium with unnatural biosynthetic precursors. The aim of this project is the optimization of pentaciclic oxindole alkaloids production through precursor-directed biosynthesis using in vitro Uncaria guianensis. The pentaciclic oxindole alkaloids from Uncaria guianensis are very important because they have a wide range of biological activities, especially anti-inflammatory and anti-tumoral.

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