Fungicidal compsn. contains apart from usual carriers, an imidazoline-5-one or thione derivs. of formula (I): W = O,S or SO; A = O or S; n = zero or 1; B = NR5, O, S, CR5R6, SO2 or CO; R1 and R2 = H (but not both of them); 1-6C alkyl or haloalkyl; 2-6C alkoxy-, alkylthio-, alkylsulphonyl- or monoalkylaminoalkyl, or alkenyl or alkynyl; 3-7C dialkylaminoalkyl or cycloalkyl; phenyl, naphthyl, thienyl, furyl, pyridyl, benzothienyl, benzofuryl, iso)quinolinyl or methylenedioxyphenyl; arylalkyl, aryloxyalkyl, or R1 and R2 together complete a 5-7 membered cycle R3 = 1-6C alkyl; 2-6C alkoxy-; alkylthio-, alkylsulphonyl-, halo-, cyano-, thiocyanato- or oxo-alkyl, alkenyl or alkynyl; 3-6C alkyl; 2-6C alkoxy-alkyl, alkenyl or alkynyl; 3-6C dialkylamino-, alkoxycarbamoylalkyl; or (hetero)aryl (1-6C) alkyl, R4 = H when n = 1 or is as defined for R2 arylalkyl; aryloxyalkyl; arylthioalkyl; arylsulphonylalkyl; or an opt. di-substd. amino gp. (I) are new cpds. except for (I) those where R1=R2=phenyl or Me; B = CR5R6; A = S; W = O or S; (2) those where R1=H, n = 1; B = NR5; R5=R4=Me; Ar3 = SMe; W = O, and R2 = H, Me or phenyl; (3) the cpd. with R1 = phenyl; R2 = R3 = R4 = Me; n = zero; A = W = S. Also new are the intermediates (II)-(VIII). R is not defined.
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机译：杀菌剂除通常的载体外，还包含咪唑啉-5-酮或硫酮衍生物。式（I）的通式：W ＝ O，S或SO; A = O或S; n = 0或1; B = NR5，O，S，CR5R6，SO2或CO; R1和R2 = H（但不是两个）; 1-6C烷基或卤代烷基; 2-6C烷氧基，烷硫基，烷基磺酰基或单烷基氨基烷基，或烯基或炔基; 3-7C二烷基氨基烷基或环烷基;苯基，萘基，噻吩基，呋喃基，吡啶基，苯并噻吩基，苯并呋喃基，异）喹啉基或亚甲基二氧苯基;芳烷基，芳氧基烷基或R 1和R 2一起完成5-7元环，R 3 ＝ 1-6 C烷基; 2-6C烷氧基-;烷硫基，烷基磺酰基，卤代，氰基，硫氰酸根合或氧代烷基，烯基或炔基; 3-6C烷基; 2-6C烷氧基-烷基，烯基或炔基; 3-6C二烷基氨基-，烷氧基氨基甲酰基烷基;或（杂）芳基（1-6C）烷基，当n ＝ 1或如R 2芳基烷基所定义时，R 4 ＝ H;或芳氧基烷基;芳硫基烷基;芳基磺酰基烷基;或选择di-substd。氨基GP （I）是新的cpds。 （I）R1 = R2 =苯基或Me的那些除外; B = CR5R6; A = S; W = O或S; （2）其中R1 = H，n = 1; B = NR5; R5 = R4 = Me; Ar3 = SMe; W ＝ O，且R 2 ＝ H，Me或苯基; （3）cpd。 R1 ＝苯基; R2 = R3 = R4 = Me; n =零; A = W =S。中间体（II）-（VIII）也很新。 R未定义。
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