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    Substituted 2-(benzoaryl)pyridines
    1.
    发明授权
    Substituted 2-(benzoaryl)pyridines 失效
    取代的2-（苯甲酰基）吡啶

    公开(公告)号：US06383986B1

    公开(公告)日：2002-05-07

    申请号：US09462583

    申请日：2000-01-11

    申请人： Markus Menges ,  Gerhard Hamprecht ,  Olaf Menke ,  Robert Reinhard ,  Peter Schäfer ,  Cyrill Zagar ,  Karl-Otto Westphalen ,  Martina Otten ,  Helmut Walter

    发明人： Markus Menges ,  Gerhard Hamprecht ,  Olaf Menke ,  Robert Reinhard ,  Peter Schäfer ,  Cyrill Zagar ,  Karl-Otto Westphalen ,  Martina Otten ,  Helmut Walter

    IPC分类号： A01N4340

    CPC分类号： C07D401/04 ,  A01N43/78 ,  C07D413/04 ,  C07D417/04

    摘要： 2-(Benzaryl)pyridines I and salts thereof where n=zero, 1; R1=H, CN, NO2, NH2, OH, SH, SO2—OH, SO2—Cl, SO2—NH2, halogen, optionally halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylaminosulfonyl, dialkylaminosulfonyl; R2, R3=H, halogen; R4=CN, OH, halogen, alkoxy or optionally substituted benzyloxy; X=—Y—C(ZR5)═N— where the nitrogen is attached to &agr; or &bgr; and Y=—O—, —S—, —N(R6)—; Z=a chemical bond, —O—, —S—, —S(O)—, —SO2—, —N(R7)—; R5, R6, R7=H, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or 3- to 7-membered heterocyclyl; or R5=H, CN, SH, NH2, halogen, —CH2—CH(halogen)-R8, —CH═CH—R8 or —CH═C(halogen)-R8 (R8=COOH, alkoxycarbonyl, alkylthiocarbonyl, CONH2, alkylaminocarbonyl or dialkylaminocarbonyl), when Z=a chemical bond; or R5+R7=1,3-propylene, tetramethylene, pentamethylene or ethyleneoxyethylene. Use: as herbicides, desiccants or defoliants.

    摘要翻译： 2-（苯甲基）吡啶I及其盐，其中n = 0,1; R 1 = H，CN，NO 2，NH 2，OH，SH，SO 2 -OH，SO 2 -Cl，SO 2 -NH 2，卤素，任选卤代烷基，烷氧基，烷硫基 ，烷基亚磺酰基，烷基磺酰基，烷基氨基磺酰基，二烷基氨基磺酰基; R2，R3 = H，卤素; R4 = CN，OH，卤素，烷氧基或任选取代的苄氧基; X = -YC（ZR5）= N-，其中氮连接到α或β 且Y = -O - ， - S - ， - N（R 6） - ; Z =化学键，-O - ， - S - ， - S（O） - ， - SO 2 - ， - N（R 7） R5，R6，R7 = H，任选取代的烷基，烯基，炔基，环烷基，苯基或3-至7-元杂环基; 或R 5 = H，CN，SH，NH 2，卤素，-CH 2 -CH（卤素）-R 8，-CH = CH-R 8或-CH = C（卤素）-R 8（R 8 = COOH，烷氧基羰基，烷硫基羰基，CONH 2，烷基氨基羰基 或二烷基氨基羰基），当Z =化学键时; 或R 5 + R 7 = 1,3-丙烯，四亚甲基，五亚甲基或亚乙基氧乙烯。使用：作为除草剂，干燥剂或脱叶剂。

    Substituted (4-brompyrazole-3-yl) benzazoles
    4.
    发明授权
    Substituted (4-brompyrazole-3-yl) benzazoles 失效

    公开(公告)号：US06482774B1

    公开(公告)日：2002-11-19

    申请号：US09673996

    申请日：2000-10-25

    申请人： Cyrill Zagar ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Robert Reinhard ,  Peter Schäfer ,  Karl-Otto Westphalen ,  Martina Otten ,  Helmut Walter

    发明人： Cyrill Zagar ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Robert Reinhard ,  Peter Schäfer ,  Karl-Otto Westphalen ,  Martina Otten ,  Helmut Walter

    IPC分类号： C07D41704

    CPC分类号： C07D413/04 ,  A01N43/74 ,  C07D231/16 ,  C07D417/04 ,  C07D417/14 ,  C07F9/6541 ,  C07F9/65583

    摘要： Substituted (4-bromopyrazol-3-yl)benzazoles I and their salts where R1=H, C1-C4-alkyl, C1-C4-haloalkyl; R2=CN, Cl-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, C1-C4-alkylthio, C1-C4-haloalkylthio, C1-C4-alkylsulfinyl, C1-C4-haloalkylsulfinyl, C1-C4-alkylsulfonyl, C1-C4-haloalkylsulfonyl; R4=H, halogen; R5=H, CN, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy or C1-C4-haloalkoxy; Z=—N═C(XR6)—O— or —N═C(XR6)—S—, attached to &agr; via the nitrogen, oxygen or sulfur; X=a chemical bond, oxygen, sulfur, —S(O)—, —SO2—, —NH— or —N(R7)—; R6, R7=Cl-C6-alkyl, Cl-C6-haloalkyl, cyano-Cl-C4-alkyl, hydroxy-C1-C4-alkyl, C3-C6-alkenyl, cyano-C3-C6-alkenyl, C3-C6-haloalkenyl, C3-C6-alkynyl, cyano-C3-C6-alkynyl, C3-C6-haloalkynyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-haloalkoxy-C1-C4-alkyl, C3-C4-alkenyloxy-C1-C4-alkyl, C3-C4-alkynyloxy-C1-C4-alkyl, C3-C8-cycloalkyloxy-C1-C4-alkyl, amino-Cl-C4-alkyl, C1-C4-alkylamino-C1-C4-alkyl, di(C1-C4-alkyl)amino-C1-C4-alkyl, Cl-C4-alkylthio-C1-C4-alkyl, C1-C4-haloalkylthio-C1-C4-alkyl, C3-C4-alkenylthio-C1-C4-alkyl, C3-C4-alkynylthio-C1-C4-alkyl, C1-C4-alkylsulfinyl-Cl-C4-alkyl, C1-C4-haloalkylsulfinyl-C1-C4-alkyl, C3-C4-alkenylsulfinyl-C1-C4-alkyl, C3-C4-alkynylsulfinyl-C1-C4-alkyl, C1-C4-alkylsulfonyl-C1-C4-alkyl, C1-C4-haloalkylsulfonyl-C1-C4-alkyl, C3-C4-alkenylsulfonyl-C1-C4-alkyl, C3-C4-alkynylsulfonyl-C1-C4-alkyl, hydroxycarbonyl-C1-C4-alkyl, C1-C4-alkoxycarbonyl-C1-C4-alkyl, which may carry a CN or C1-C4-alkoxycarbonyl group, C1-C4-alkylthiocarbonyl-C1-C4-alkyl, aminocarbonyl-C1-C4-alkyl, C1-C4-alkylaminocarbonyl-C1-C4-alkyl, di(C1-C4-alkyl)aminocarbonyl-C1-C4-alkyl, di(C1-C4-alkyl)-phosphonyl-C1-C4-alkyl, C1-C4-alkoxyimino-C1-C4-alkyl, C3-C4-alkenyloxyimino-C1-C4-alkyl, unsubstituted or substituted C3-C8-cycloalkyl, C3-C8-cycloalkyl-C1-C4-alkyl, phenyl, phenyl-C1-C4-alkyl, 3- to 7-membered heterocyclyl or heterocyclyl-C1-C4-alkyl, where each cycloalkyl and each heterocyclyl ring may contain a CO or CS ring member; if X=a chemical bond, —O—, —S—, —NH— or —N(R7)—, R6 may also be C1-C4-alkylcarbonyl, C1-C4-haloalkylcarbonyl, C1-C4-alkoxycarbonyl, C1-C4-alkylsulfonyl or C1-C4-haloalkylsulfonyl; if X=a chemical bond, R6 may furthermore be CN, SH, NH2, halogen, —CH2—CH(halogen)-R8, —CH═CH—R8 or —CH═C(halogen)-R8, where R8=COOH, C1-C4-alkoxycarbonyl, C1-C4-alkylthiocarbonyl, CONH2, C1-C4-alkylaminocarbonyl, di(C1-C4-alkyl)aminocarbonyl or di(C1-C4-alkyl)phosphonyl; or R6+R7=an unsubstituted or substituted 1,3-propylene, tetramethylene, pentamethylene or ethyleneoxyethylene chain. Use: As herbicides; for the desiccation/defoliation of plants.

    Substituted 2-phenyl-3(2H)-pyridazinones
    6.
    发明授权
    Substituted 2-phenyl-3(2H)-pyridazinones 失效
    取代的2-苯基-3（2H） - 哒嗪酮

    公开(公告)号：US06225313B1

    公开(公告)日：2001-05-01

    申请号：US09508781

    申请日：2000-03-16

    申请人： Peter Schäfer ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Michael Rack ,  Robert Reinhard ,  Cyrill Zagar ,  Peter Münster ,  Karl-Otto Westphalen ,  Martina Otten ,  Helmut Walter

    发明人： Peter Schäfer ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Michael Rack ,  Robert Reinhard ,  Cyrill Zagar ,  Peter Münster ,  Karl-Otto Westphalen ,  Martina Otten ,  Helmut Walter

    IPC分类号： C07D23718

    CPC分类号： C07D405/10 ,  A01N43/58 ,  C07D237/22

    摘要： Substituted 2-phenyl-3(2H)-pyridazinones I and salts thereof, where n=0, 1, 2; R1=C1-C4-alkyl, C1-C4-haloalkyl; R2=H, halogen; R3=halogen, CN; R4=H, NO2, CN, CHO, NH—OH, C1-C4-alkyl, C1-C4-halogenalkyl, —OR5, —CH═N—OR6, —CH═C(R7)—CO—OR8, —CO—OR9, C1-C6-alkyl-SO2—NH, di(C1-C6-alkylsulfonyl)amino or R5=C1-C6-alkyl, C3-C6-alkenyl, C3-C6-alkynyl, (C1-C6-alkoxy)carbonyl-C1-C4-alkyl, (C3-C6-alkenyloxy)carbonyl-C1-C4-alkyl, (C3-C6-alkynyloxy)carbonyl-C1-C4-alkyl, C1-C4-alkoxy(C1-C4-alkoxy)carbonyl-C1-C4-alkyl; R6=H, C1-C4-alkyl, hydroxycarbonyl-C1-C4-alkyl, (C1-C4-alkoxy)carbonyl-C1-C4-alkyl; R7=H, halogen, C1-C4-alkyl; R8=H, C1-C6-alkyl; R9=H, C1-C6-alkyl, C3-C6-alkenyl, C3-C6-alkynyl, C1-C4-alkoxy-C1-C4-alkoxy, hydroxycarbonyl-C1-C4-alkyl, (C1-C6-alkoxy)carbonyl-C1-C4-alkyl, (C3-C6-alkenyloxy)carbonyl-C1-C4-alkyl, (C3-C6-alkynyloxy)carbonyl-C1-C4-alkyl, C1-C4-alkoxy-(C1-C4-alkoxy)carbonyl-C1-C4-alkyl; R10=H, C1-C6-alkyl, COOH, (C1-C6-alkoxy)carbonyl; and their use as herbicides and for the desiccation/defoliation of plants are described.

    摘要翻译： 取代的2-苯基-3（2H） - 哒嗪酮I和其盐，其中n = 0,1,2; R1 = C1-C4-烷基，C1-C4卤代烷基; R2 = H，卤素; R3 =卤素，CN; R4 = H，NO2，CN，CHO，NH-OH，C1-C4-烷基，C1-C4-卤代烷基，-OR5，-CH = N-OR6，-CH = C（R7） CO-OR 8，-CO-OR 9，C 1 -C 6烷基-SO 2 -NH，二（C 1 -C 6烷基磺酰基）氨基或R 5 = C 1 -C 6烷基，C 3 -C 6 - 烯基，C 3 -C 6炔基，（C 1 C 3-6 - 烷氧基）羰基-C 1 -C 4烷基，（C 3 -C 6 - 烯氧基）羰基-C 1 -C 4 - 烷基，（C 3 -C 6 - 炔氧基）羰基-C 1 -C 4烷基，C 1 -C 4 - C 1 -C 4 - 烷氧基）羰基-C 1 -C 4 - 烷基; R 6 = H，C 1 -C 4 - 烷基，羟基羰基-C 1 -C 4 - 烷基，（C 1 -C 4 - 卤素，C 1 -C 4 - 烷基; R8 = H，C1-C6-烷基; R9 = H，C1-C6-烷基，C3-C6-烯基，C3-C6-炔基，C1-C4-烷氧基-C1-C4-烷氧基，羟基羰基C1-C4- 烷基，（C 1 -C 6 - 烷氧基）羰基-C 1 -C 4 - 烷基，（C 3 -C 6 - 烯氧基）羰基-C 1 -C 4烷基，（C 3 -C 6 - 炔氧基）羰基-C 1 -C 4烷基，C 1 -C 4 - 烷氧基 - （C 1 -C 4 - 烷氧基）羰基-C 1 -C 4烷基; R 10 = H，C 1 -C 6烷基，COOH，（C 1 -C 6 - 烷氧基）羰基;及其作为除草剂和干燥/ 的植物被描述。

    Substituted herbicide tetrazolinonecarboxylic acid amides
    8.
    发明授权
    Substituted herbicide tetrazolinonecarboxylic acid amides 失效
    取代除草剂四唑啉酮羧酸酰胺

    公开(公告)号：US06277790B1

    公开(公告)日：2001-08-21

    申请号：US09463828

    申请日：2000-02-01

    申请人： Cyrill Zagar ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Robert Reinhard ,  Peter Schäfer ,  Karl-Otto Westphalen ,  Martina Otten ,  Helmut Walter

    发明人： Cyrill Zagar ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Robert Reinhard ,  Peter Schäfer ,  Karl-Otto Westphalen ,  Martina Otten ,  Helmut Walter

    IPC分类号： A61N43713

    CPC分类号： C07D405/12 ,  A01N47/38 ,  C07D409/12

    摘要： Tetrazolinonecarboxamides of formula I wherein Het is oxetan-3-yl, thietan-3-yl, tetrahydrofuran-3-yl, furan-3-yl, tetrahydrothiophen-3-yl, thiophen-3-yl, tetrahydro-2H-pyran-3-yl, tetrahydro-2H-thiopyran-3-yl, tetrahydro-2H-pyran-4-yl or tetrahydro-2H-thiopyran-4-yl, in each case with or without substitution; R1 is optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, phenyl, or 3- to 7-membered heterocyclyl; R2 is hydrogen, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, or is optionally substituted cycloalkyl, cycloalkylalkyl, phenyl, phenylalkyl, 3- to 7-membered heterocyclyl, or 3- to 7-membered heterocyclylalkyl, their preparation and herbicidal compositions comprising them.

    摘要翻译： 式I的四唑啉酮酰胺，其中Het是氧杂环丁烷-3-基，塞来赛汀-3-基，四氢呋喃-3-基，呋喃-3-基，四氢噻吩-3-基，噻吩-3-基，四氢-2H-吡喃-3-基 ，四氢-2H-噻喃-3-基，四氢-2H-吡喃-4-基或四氢-2H-噻喃-4-基，每种情况下具有或不具有取代; R 1是任选取代的烷基，烯基，炔基，环烷基 ，环烯基，苯基或3-至7-元杂环基; R 2是氢，烷基，卤代烷基，烯基，卤代烯基，炔基或任选取代的环烷基，环烷基烷基，苯基，苯基烷基，3-至7-元杂环基或3 至7元杂环基烷基，其制备和除草组合物包含它们。

    Substituted 2-benz(o)ylpyridines, their preparation and their use as herbicides
    9.
    发明授权
    Substituted 2-benz(o)ylpyridines, their preparation and their use as herbicides 失效
    取代的2-苯并（o）吡啶，其制备及其作为除草剂的用途

    公开(公告)号：US06337305B1

    公开(公告)日：2002-01-08

    申请号：US09381033

    申请日：1999-09-15

    申请人： Peter Schäfer ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Michael Rack ,  Cyrill Zagar ,  Karl-Otto Westphalen ,  Ulf Misslitz ,  Helmut Walter

    发明人： Peter Schäfer ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Michael Rack ,  Cyrill Zagar ,  Karl-Otto Westphalen ,  Ulf Misslitz ,  Helmut Walter

    IPC分类号： C07D21330

    CPC分类号： C07D213/61 ,  A01N43/40

    摘要： Substituted 2-benz(o)ylpyridines I and salts thereof where n=0, 1; X=CO, CH2, CH(C1-C4-alkyl), CH—OH, CH—CN, CH-halogen, C(halogen)2, CH—CONH2, CH—CO—O(C1-C4-alkyl), CH—O(C1-C4-alkyl), C(CN)(C1-C4-alkyl); R1=halogen, C1-C4-haloalkyl, C1-C4-alkylthio, C1-C4-alkylsulfinyl, C1-C4-alkylsulfonyl; R2=H, halogen; R3=H, NO2, OH, halogen, C1-C4-alkoxy; R4=H, NO2, OH, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy; R5=H, NO2, CN, halogen, C1-C8-alkyl, C3-C8-alkenyl, C3-C8-alkynyl, C3-C8-cycloalkyl, C1-C8-haloalkyl, C2-C8-haloalkenyl, C2-C8-haloalkinyl, C1-C4-alkoxy-C1-C4-alkyl, C2-C4-alkenyloxy-C1-C4-alkyl, C2-C4-alkynyloxy-C1-C4-alkyl, C1-C4-alkylthio-C1-C4-alkyl, C1-C4-alkylsulfinyl-C1-C4-alkyl, C1-C4-alkylsulfonyl-C1-C4-alkyl, cyano-C1-C8-alkyl, cyano-C2-C8-alkenyl, cyano-C3-C8-alkynyl, unsubstituted or substituted OH, SH, SO—H, —SO2—H, COOH or NH—COOH, —SO2Cl, —N(R9,R10), —NH—SO2—(C1-C8-alkyl), —N[—SO2—(C1-C8-alkyl)]2, —N(C1-C8-alkyl)[—SO2—(C1-C8-alkyl)], —SO2—N(R9,R10), —O—CO—NH—R9, unsubstituted or substituted CHO, —O—CHO or —NH—CHO, —NH—CO—NH—R9, —O—CS—NH2, —O—CS—N(C1-C8-alkyl)2, —CO—N(R9,R10), —CS—N(R9,R10), —CO—NH—SO2—(C1-C4-alkyl).

    摘要翻译： 取代的2-苯并（o）吡啶I和其中n = 0,1; X = CO，CH 2，CH（C 1 -C 4 - 烷基），CH-OH，CH-CN，CH-卤素，C（卤素） CH-CONH 2，CH-CO-O（C 1 -C 4 - 烷基），CH-O（C 1 -C 4 - 烷基），C（CN）（C 1 -C 4 - 烷基）; R 1 =卤素，C 1 -C 4卤代烷基， C 1 -C 4烷硫基，C 1 -C 4烷基亚磺酰基，C 1 -C 4烷基磺酰基; R 2 = H，卤素; R 3 = H，NO 2，OH，卤素，C 1 -C 4 - 烷氧基; R 4 = H，NO 2，OH，卤素， C 1 -C 4 - 烷基，C 1 -C 4 - 卤代烷基，C 1 -C 4 - 烷氧基; R 5 = H，NO 2，CN，卤素，C 1 -C 8烷基，C 3 -C 8 - 烯基，C 3 -C 8炔基，C 3 -C 8 - 环烷基，C 1 -C 8 - 卤代烷基，C 2 -C 8 - 卤代烯基，C 2 -C 8 - 卤代炔基，C 1 -C 4 - 烷氧基-C 1 -C 4烷基，C 2 -C 4 - 烯氧基-C 1 -C 4烷基，C 2 -C 4 - C 1 -C 4烷基，C 1 -C 4烷硫基-C 1 -C 4烷基，C 1 -C 4烷基亚磺酰基-C 1 -C 4烷基，C 1 -C 4烷基磺酰基-C 1 -C 4 - 烷基，氰基-C 1 -C 8烷基， 氰基-C 2 -C 8 - 烯基，氰基-C 3 -C 8 - 炔基，未取代或取代的OH，SH，SO-H，-SO 2 -H，COOH或NH-COOH，-SO 2 Cl，-N（R 9，R 10） NH-SO 2 - （C 1 -C 8 - 烷基），-N [-SO 2 - （C 1 -C 8 - 烷基）] 2，-N（C 1 -C 8 - 烷基） -SO 2 -N（R 9，R 10），-O-CO-NH-R 9，未取代的 取代的CHO，-O-CHO或-NH-CHO，-NH-CO-NH-R9，-O-CS-NH2，-O-CS-N（C1-

    Substituted 3-phenylpyrazoles
    10.
    发明授权
    Substituted 3-phenylpyrazoles 失效
    取代的3-苯基吡唑

    公开(公告)号：US06197973B1

    公开(公告)日：2001-03-06

    申请号：US09230838

    申请日：1999-02-01

    申请人： Cyrill Zagar ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Peter Schäfer ,  Karl-Otto Westphalen ,  Ulf Misslitz ,  Helmut Walter

    发明人： Cyrill Zagar ,  Gerhard Hamprecht ,  Markus Menges ,  Olaf Menke ,  Peter Schäfer ,  Karl-Otto Westphalen ,  Ulf Misslitz ,  Helmut Walter

    IPC分类号： C07D23114

    CPC分类号： A01N43/56 ,  A01N47/06 ,  A01N47/12 ,  C07D231/16 ,  C07D231/22

    摘要： 3-phenylpyrazoles of formula I wherein R1 is cyano, alkyl or haloalkyl; R2 is cyano or is optionally halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl or alkylsulfonyl; R3 is hydrogen, cyano, halogen, alkyl or haloalkyl; R4 is hydrogen or halogen; R5 is cyano, halogen, or is optionally halogenated alkyl or alkoxy; R6, R7 independently of one another are optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl or phenyl, optionally substituted alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl or optionally halogenated alkylsulfonyl; X is a chemical bond, —C≡C—, —CH2—CH(R8)— or —CH═C(R8)—, wherein R8 is hydrogen, cyano, nitro, halogen, alkyl or haloalkyl; Y is oxygen or sulfur; their preparation and their use for controlling undesirable vegetation.

    摘要翻译： 式I的3-苯基吡唑，其中R1是氰基，烷基或卤代烷基; R2是氰基或任选被卤代烷基，烷氧基，烷硫基，烷基亚磺酰基或烷基磺酰基; R3是氢，氰基，卤素，烷基或卤代烷基; R4是氢或卤素; R5是 氰基，卤素或任选卤代烷基或烷氧基; R 6，R 7彼此独立地是任选取代的烷基，烯基，炔基，环烷基，杂环基或苯基，任选取代的烷基羰基，烷氧基羰基，氨基羰基，烷基氨基羰基，二烷基氨基羰基或任选卤代烷基磺酰基; X是化学键，-C = C-，-CH 2 -CH（R 8） - 或-CH = C（R 8） - ，其中R 8是氢，氰基，硝基，卤素，烷基或卤代烷基; Y是氧或硫 ;他们的准备和用于控制不良植被的用途。