Results 101 to 110 of about 1,635 (132)

Benzoquinonas, hidroquinonas e sesquiterpenos de Auxemma glazioviana [PDF]

open access: yesQuimica Nova, 2005
Two new compounds, 5 and 8, and an epimeric mixture 4a/4b were isolated from hardwood of Auxemma glazioviana. Their structures and relative configurations were determined by modern spectroscopic analysis to be rel-10a,11a-epoxy-11b-ethoxy-8a- hydroxy-2-methoxy -8ab-methyl-5,6,7,8,8a,9,10,10ab-octahydro-1,4-anthracenedione (or rel-2R,2aR,5R,5aS ,10bS ...
Raimundo Braz Filho   +1 more
exaly   +4 more sources

A síntese dos sesquiterpenos baquenolidas [PDF]

open access: yesQuimica Nova, 2008
The bakkenolide group of sesquiterpenes has been a focal point of synthetic efforts amongst several research laboratories all linked to our common origins at the Chemistry Institute at the State University in Sao Paulo. In this review we would like to present a historical perspective of this research, with unpublished background information, and a ...
Brocksom, Timothy John   +2 more
exaly   +4 more sources

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