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    • 1. 发明授权
    • Process for the preparation of thiazole derivatives
    • 噻唑衍生物的制备方法
    • US06265585B1
    • 2001-07-24
    • US09341716
    • 1999-07-15
    • Thomas PitternaPeter MaienfischDavid John WadsworthLaurenz GsellThomas RapoldHenry Szczepanski
    • Thomas PitternaPeter MaienfischDavid John WadsworthLaurenz GsellThomas RapoldHenry Szczepanski
    • C07D27732
    • C07D277/32
    • A process for the preparation of a compound of formula (I), wherein X is a leaving group; which process comprises, a) for the preparation of a compound of formula (I) wherein X is —OS(═O)2A and A is as defined in the specification, reacting a compound of formula (II) with a sulfonylating agent; or, b) for the preparation of a compound of formula (I) wherein X is iodine, reacting a compound of formula (III) with an iodinating agent, preferably sodium iodide; or, c) for the preparation of a compound of formula (I) whrein X is bromine, reacting a compound of formula (IV) with a brominating agent; or, d) for the preparation of a compound (I) wherein X is chlorine or bromine, reacting a compound (V), wherein R and X are as defined in the specification, with a chlorinating agent, a compound of formula (Ib), the use thereof and a process for the preparation of a compound of formula (II) and a compound of formula (A) are described.
    • 一种制备式(I)化合物的方法,其中X是离去基团; 该方法包括a)制备式(I)化合物,其中X为-OS(= O)2A且A如说明书中所定义,式(II)化合物与磺酰化剂反应; 或b)制备其中X为碘的式(I)化合物,使式(III)化合物与碘化剂,优选碘化钠反应; 或者,c)制备式(I)化合物,其中X是溴,式(Ⅳ)化合物与溴化剂反应; 或者d)制备其中X为氯或溴的化合物(I),其中R和X如说明书中所定义的化合物(Ⅴ)与氯化剂,式(Ib)化合物反应, 描述了其用途和制备式(II)化合物和式(A)化合物的方法。
    • 2. 发明申请
    • PREPARATION OF THIAZOLES
    • 制备THIAZOLES
    • US20080076920A1
    • 2008-03-27
    • US11947891
    • 2007-11-30
    • Thomas PitternaHenry SzczepanskiPeter MaienfischOttmar HuterThomas RapoldMarcel SennThomas GobelAnthony O'Sullivan
    • Thomas PitternaHenry SzczepanskiPeter MaienfischOttmar HuterThomas RapoldMarcel SennThomas GobelAnthony O'Sullivan
    • C07D417/02C07D277/36C07D417/14
    • C07D277/32C07D277/16C07D277/36C07D277/70C07D277/74
    • The present disclosure is directed to a process for the preparation of a compound having the formula: wherein R is unsubstituted or substituted C1-C12alkyl, unsubstituted or substituted C2-C4alkenyl, unsubstituted or substituted C2-C4alkynyl, unsubstituted or substituted C3-C6cycloalkyl, unsubstituted or substituted aryl, unsubstituted or substituted heteroaryl, or —SR1; R1 is unsubstituted or substituted C1-C12alkyl, unsubstituted or substituted C2-C4alkenyl, unsubstituted or substituted C2-C4alkynyl, unsubstituted or substituted cycloalkyl, unsubstituted or substituted aryl or unsubstituted or substituted heteroaryl; and X is a selected leaving group that is not halogen, and may specifically be methylsulfonate, trifluoromethylsulfonate, and p-toluenesulfonate. These compounds are valuable intermediates useful in the synthesis of compounds having pesticidal activity. Generally, the process includes reacting a water-removing reagent, with a compound having the formula Water-removing agents that may be used include thionyl chloride (SOCl2), thionyl bromide (SOBr2), phosphorus oxychloride (POCl3), phosphorus oxybromide (POBr3), phosphorus pentachloride or a sulfonic acid chloride or bromide.
    • 本公开涉及制备具有下式的化合物的方法:其中R是未取代或取代的C 1 -C 12烷基,未取代或取代的C 1 -C 12烷基, 未取代或取代的C 2 -C 4炔基,未取代或取代的C 1 -C 4烷基, 3个C 6环烷基,未取代或取代的芳基,未取代或取代的杂芳基或-SR 1 N; R 1是未取代或取代的C 1 -C 12烷基,未取代或取代的C 2 -C 3 未取代或取代的C 2 -C 4炔基,未取代或取代的环烷基,未取代或取代的芳基或未取代或取代的杂芳基; X是不是卤素的选择的离去基团,可以具体为甲基磺酸酯,三氟甲基磺酸酯和对甲苯磺酸酯。 这些化合物是有用的合成具有杀虫活性的化合物的中间体。 通常,该方法包括使除水试剂与具有式的化合物反应可以使用的除水剂包括亚硫酰氯(SOCl 2/2),亚硫酰溴(SO 2 R 2) (POCl 3 3),三溴氧化磷(POBr 3 N),五氯化磷或磺酰氯或溴化物。
    • 3. 发明授权
    • Preparation of thiazoles
    • 噻唑的制备
    • US06548676B1
    • 2003-04-15
    • US09331433
    • 1999-06-18
    • Thomas PitternaHenry SzczepanskiPeter MaienfischOttmar Franz HüterThomas RapoldMarcel SennThomas GöbelAnthony Cornelius O'Sullivan
    • Thomas PitternaHenry SzczepanskiPeter MaienfischOttmar Franz HüterThomas RapoldMarcel SennThomas GöbelAnthony Cornelius O'Sullivan
    • C07D27732
    • C07D277/32C07D277/16C07D277/36C07D277/70C07D277/74
    • Described is a process for the preparation of a compound of formula (I) wherein R is unsubstituted or substituted C1-C12alkyl, C2-C4alkenyl, C2-C4alkynyl, C3-C6cycloalkyl, aryl or heteroaryl, or —SR1; R1 is unsubstituted or substituted C1-C12alkyl, C2-C4alkenyl, C2-C4alkynyl, cycloalkyl, aryl or heteroaryl; and X is a leaving group; which comprises: a) reacting a compound of formula (II) wherein R is as defined for formula (I), with a water-removing reagent; or b) for the preparation of a compound of formula (I) wherein X is halogen or a sulfonate, reacting a compound of the formula (III) wherein R is as defined for formula (I), with a halogenating or a sulfonylating agent; or c) for the preparation of a compound of formula (I) wherein X is halogen, reacting a compound of formula (IV) wherein R is as defined for formula (I); and wherein R2 and R3 are for example H, C1-C6alkyl, C3-C6cycloalkyl, phenyl or benzyl; with a compound of the formula halogen-C(═O)—O—C1-C8alkyl, halogen-C(═O)—O-aryl or halogen-C(═O)—O-benzyl. Intermediates for the preparation of the synthesis of compounds (II) to (IV) and method of the preparation thereof.
    • 描述了制备式(I)化合物的方法,其中R是未取代的或取代的C 1 -C 12烷基,C 2 -C 4烯基,C 2 -C 4炔基,C 3 -C 6环烷基,芳基或杂芳基或-SR 1; R1是未取代的或取代的C1-C12烷基,C2-C4链烯基,C2-C4炔基,环烷基,芳基或杂芳基; X为离去群; 其包括:a)使其中R如式(I)所定义的式(II)化合物与除水试剂反应; 或者b)用于制备其中X为卤素或磺酸盐的式(I)化合物,其中R为式(I)所定义的式(III)化合物与卤化剂或磺酰化剂反应; 或c)用于制备其中X为卤素的式(I)化合物,其中R为式(I)所定义的式(IV)化合物; 并且其中R 2和R 3是例如H,C 1 -C 6烷基,C 3 -C 6环烷基,苯基或苄基; 与卤素-C(= O)-O-C 1 -C 8烷基,卤素-C(= O)-O-芳基或卤素-C(= O)-O-苄基的化合物反应。 用于制备化合物(II)至(IV)的合成的中间体及其制备方法。
    • 6. 发明申请
    • PREPARATION OF THIAZOLES
    • 制备THIAZOLES
    • US20090198054A1
    • 2009-08-06
    • US12424594
    • 2009-04-16
    • Thomas PitternaHenry SzczepanskiPeter MaienfischOttmar Franz HuterThomas RapoldMarcel SennThomas GobelAnthony Cornelius O'Sullivan
    • Thomas PitternaHenry SzczepanskiPeter MaienfischOttmar Franz HuterThomas RapoldMarcel SennThomas GobelAnthony Cornelius O'Sullivan
    • C07D413/02C07D277/20C07D277/70
    • C07D277/32C07D277/16C07D277/36C07D277/70C07D277/74
    • The present disclosure is directed to a process for the preparation of a compound having the formula: wherein R is unsubstituted or substituted C1-C12alkyl, unsubstituted or substituted C2-C4alkenyl, unsubstituted or substituted C2-C4alkynyl, unsubstituted or substituted C3-C6cycloalkyl, unsubstituted or substituted aryl, unsubstituted or substituted heteroaryl, or —SR1; R1 is unsubstituted or substituted C1-C12alkyl, unsubstituted or substituted C2-C4alkenyl, unsubstituted or substituted C2-C4alkynyl, unsubstituted or substituted cycloalkyl, unsubstituted or substituted aryl or unsubstituted or substituted heteroaryl; and X is a selected leaving group that is not halogen, and may specifically be methylsulfonate, trifluoromethylsulfonate, and p-toluenesulfonate. These compounds are valuable intermediates useful in the synthesis of compounds having pesticidal activity. Generally, the process includes reacting a water-removing reagent, with a compound having the formula Water-removing agents that may be used include thionyl chloride (SOCl2), thionyl bromide (SOBr2), phosphorus oxychloride (POCl3), phosphorus oxybromide (POBr3), phosphorus pentachloride or a sulfonic acid chloride or bromide.
    • 本公开涉及制备具有下式的化合物的方法:其中R是未取代的或取代的C 1 -C 12烷基,未取代或取代的C 2 -C 4烯基,未取代或取代的C 2 -C 4炔基,未取代或取代的C 3 -C 6环烷基,未取代的 或取代的芳基,未取代或取代的杂芳基或-SR1; C 1 -C 12烷基,未取代或取代的C 2 -C 4烯基,未取代或取代的C 2 -C 4炔基,未取代或取代的环烷基,未取代或取代的芳基或未取代或取代的杂芳基; X是不是卤素的选择的离去基团,可以具体为甲基磺酸酯,三氟甲基磺酸酯和对甲苯磺酸酯。 这些化合物是有用的合成具有杀虫活性的化合物的中间体。 通常,该方法包括使除水试剂与具有式的化合物反应可以使用的除水剂包括亚硫酰氯(SOCl 2),亚硫酰溴(SOBr 2),三氯氧化磷(POCl 3),三溴氧化磷(POBr 3) ,五氯化磷或磺酰氯或溴化物。
    • 10. 发明申请
    • PREPARATION OF THIAZOLES
    • 制备THIAZOLES
    • US20070055063A1
    • 2007-03-08
    • US11552255
    • 2006-10-24
    • Thomas PitternaHenry SzczepanskiPeter MaienfischOttmar HuterThomas RapoldMarcel SennThomas GobelAnthony O'Sullivan
    • Thomas PitternaHenry SzczepanskiPeter MaienfischOttmar HuterThomas RapoldMarcel SennThomas GobelAnthony O'Sullivan
    • C07D417/02
    • C07D277/32C07D277/16C07D277/36C07D277/70C07D277/74
    • A process for the preparation of a compound of the formula and, where applicable, its E/Z-isomers, mixtures of E/Z-isomers and/or tautomers and acid addition products thereof, in each case in free form or in salt form, wherein: R is unsubstituted or substituted C1-C12alkyl, unsubstituted or substituted C2-C4alkenyl, unsubstituted or substituted C2-C4alkynyl, unsubstituted or substituted C3-C6cycloalkyl, unsubstituted or substituted aryl, unsubstituted or substituted heteroaryl, or —SR1; R1 is unsubstituted or substituted C1-C12alkyl, unsubstituted or substituted C2-C4alkenyl, unsubstituted or substituted C2-C4alkynyl, unsubstituted or substituted cycloalkyl, unsubstituted or substituted aryl or unsubstituted or substituted heteroaryl; and X is a leaving group; The process comprises reacting a compound of the formula: with a halogenating agent or a sulfonylating agent. Alternatively, when X is a selected halogen, the process can comprise reacting a compound of the formula with a compound having a formula selected from the group consisting of halogen-C(═O)—O—C1-C8alkyl; halogen-C(═O)—O-aryl; and halogen-C(═O)—O-benzyl.
    • 制备下式化合物及其E / Z-异构体的方法,E / Z-异构体和/或互变异构体的混合物及其酸加成产物,各自为游离形式或盐形式 ,其中:R是未取代或取代的C 1 -C 12烷基,未取代或取代的C 2 -C 4 烯基,未取代或取代的C 2 -C 4炔基,未取代或取代的C 3 -C 6环烷基 ,未取代或取代的芳基,未取代或取代的杂芳基或-SR 1 N; R 1是未取代或取代的C 1 -C 12烷基,未取代或取代的C 2 -C 3 未取代或取代的C 2 -C 4炔基,未取代或取代的环烷基,未取代或取代的芳基或未取代或取代的杂芳基; X为离去群; 该方法包括使下式化合物与卤化剂或磺酰化剂反应。 或者,当X是选择的卤素时,该方法可以包括使下式的化合物与具有选自以下的式的化合物反应:卤素-C( - ) - O-C 1 -C 烷基; 卤素-C( - ) - O-芳基; 和卤素-C( - ) - O-苄基。