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Síntese e estereoquímica de isoxazóis espiro-tetracíclicos trifluormetil substituídos
(Universidade Federal de Santa Maria, 2017-02-23)
The present dissertation initially describes methodologies for the synthesis of five 3-(trifluoromethyl)-3,3a-dihydrospiro[chromeno[4,3-c]isoxazole-4,1'-cycloalkan]-3-ols (7) in 65 – 84 % yields, where the spirocarbocyclic ...