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Type: Artigo de periódico
Title: Isomerization Of Essential Oil Of (piper Hispidinervium) C. Dc To Obtain Isosafrole [isomerização Do óleo Essencial De Pimenta-longa (piper Hispidinervium C. Dc) Para A Obtenção De Isosafrol]
Author: Cremasco M.A.
Braga N.P.
Abstract: The Brazilian peppers present proprieties that can be used in fragrance and pharmaceutical industries, for example. One these pepper is long pepper (Piper hispidinervium C. DC.), who its essential oil is rich in safrole. Safrole is an important compound with application in several industries, such as pharmaceutics, cosmetics. After its chemical conversion, for example, it is possible to obtain heliotropin, a fixative agent for fragrances. The sequence to obtain the heliotropin is by safrole isomerization, that, initially, produce isosafrole. In this work, however, presents the synthesis of isosafrole directly from essential oil of Piper hispidinervium C. DC. In this case, the isomerization of essential oil was done getting 79,4 % of cis, trans-isosafrole mixture. The essential oil presented 86,4 % of safrole, resulting in 97,1 % yield to cis, trans-isosafrole.
Editor: Instituto Nacional de Pesquisas da Amazonia
Rights: aberto
Identifier DOI: 10.1590/S0044-59672010000400014
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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