BACKGROUND
Fifteen novel derivatives of D-DIBOA, including aromatic ring modifications and the addition of side chains in positions C-2 and N-4, had previously been synthesised and their phytotoxicity on standard target species (STS) evaluated. This strategy combined steric, electronic, solubility
The utility of benzoxazinones and some of their synthetic derivatives in the search for new leads for herbicide model development has been explored. The work described focuses on obtaining derivatives that present selectivity in the system Oryza sativa- Echinochloa crus-galli. To achieve this goal
BACKGROUND
Barnyardgrass, Echinochloa crus-galli (L.) Beauv., is one of the most problematic weeds occurring in rice crops. Although efficient chemical control is provided by herbicides available on the market, resistant biotypes provoked by pressure selection have appeared in recent times. This
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