5-(Arylmethylene)hydantoins (4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19) and 5-(arylmethylene)-2-thiohydantoins (20-37) have been synthesized by condensation of aromatic aldehydes with hydantoin (1) or 2-thiohydantoin (2) in the presence of ethanolamine. A number of 5-alkyl-and 5-(arylmethyl)hydantoins (40-48) and their 2-thio analogs (50-55) were synthesized from amino acids. All of these compounds were tested for pesticidal activity.
A number of new 4‐alkoxy‐ and 4‐ω‐aminoalkoxy‐2‐trichloromethyl‐quinolines were synthesised and tested on insects, weeds and plant pathogens. Many of these compounds showed antifungal activity against different fungal species. Some compounds, IVa, IVb, IVc, Vb, Vc and VI, had interesting effects on Phycomycete fungi.
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