Chemical transformations of neolignans
Mem. Inst. Oswaldo Cruz
;
86(supl.2): 39-42, 1991. ilus
Article
in English
| LILACS
| ID: lil-623937
ABSTRACT
Neolignans, generated by oxydative dimerization of propenylphenol and/or allylphenol, undergo further modifying steps. These biosynthetic reactions, confirmed in vitro, include Cope, retro-Claisen and Claisen rearrangements. Additionally acid catalysis effects convertions of bicyclo [3.2.1] octanoid neolignans into hydrobenzofuranoid neolignans, or inversely of hydrobenzofuranoid neolignans into bicyclo [3.2.1] octanoid neolignans, of hydrobenzofuranoid neolignans into futoenone type neolignans, of tetrahydrofuran neolignans into aryltetralin neolignans, as well as modifications by Friedel - Crafts reactions and the transformation of aryltetralin neolignans into arylindanones by pinacoline - pinacolone type rearrangement.
Full text:
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Index:
LILACS (Americas)
Main subject:
Gene Rearrangement
/
Chiroptera
/
Lignans
Limits:
Animals
Language:
English
Journal:
Mem. Inst. Oswaldo Cruz
Journal subject:
Tropical Medicine
/
Parasitology
Year:
1991
Type:
Article
/
Congress and conference
Affiliation country:
Brazil
Institution/Affiliation country:
Universidade de São Paulo/BR
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