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    • 73. 发明授权
    • Method of preparing N,N′-disubstituted-3,3′-dithiodipropionamide and method of preparing substituted 3-isothiazolone by using the same
    • 制备N,N'-二取代-3,3'-二硫代二丙酰胺的方法及其制备取代的3-异噻唑酮的方法
    • US06479701B1
    • 2002-11-12
    • US09937747
    • 2001-09-28
    • Seung-Hwan KimJeong-Ho ParkJin-Man KimSoon-Jong HahnKi-Seung ChoiMyung-Ho Cho
    • Seung-Hwan KimJeong-Ho ParkJin-Man KimSoon-Jong HahnKi-Seung ChoiMyung-Ho Cho
    • C07C23305
    • C07D275/03C07C319/20C07C319/24C07C323/60
    • A method of preparing N,N-disubstituted-3,3′-dithiodipropionamide of formula (2) is provided. In the method, 3-mercaptopropionamide of formula (4) reacts with an aqueous solution of amine to prepare N-substituted-3-mercaptopropionamide of formula (3) and N-substituted-3-mercaptopropionamide reacts with an aqueous solution of hydrogen peroxide. In addition, a method of preparing substituted 3-isothiazolone is provided. In the method, the produced N,N-disubstituted-3,3′-dithiodipropionamide reacts with a halogenating agent, wherein X and Z are same or different and each selected from the group consisting of hydrogen or a lower alkyl group; Y is selected from the group consisting of hydrogen, an alkyl group of 1 to 18 carbon atoms, a cycloalkyl group of up to 10 carbon atoms, an aralkyl group of up to 10 carbon atoms, an aryl group of up to 10 carbon atoms, a halogen-, lower alkyl- or lower alkoxy-substituted aryl group, a cyano alkyl group, a carboalkoxyalkyl group, a haloalkyl group, an alkoxyalkyl group, an aryloxyalkyl group of up to 12 carbon atoms, an aralkoxyalkyl group of up to 12 carbon atoms, a dialkylaminoalkyl group, an alkylacyl group of up to 8 carbon atoms, a lower alkylsulfonyl group, an arylsulfonyl group of up to 10 carbon atoms, a cyano group and a carbamoyl group.
    • 提供制备式(2)的N,N-二取代-3,3'-二硫代二丙酰胺的方法。 在该方法中,式(4)的3-巯基丙酰胺与胺水溶液反应制备式(3)的N-取代-3-巯基丙酰胺,N-取代-3-巯基丙酰胺与过氧化氢水溶液反应。 此外,提供了制备取代的3-异噻唑酮的方法。 在该方法中,所制备的N,N-二取代-3,3'-二硫代二丙酰胺与卤化剂反应,其中X和Z相同或不同,各自选自氢或低级烷基; Y选自氢,1至18个碳原子的烷基,至多10个碳原子的环烷基,至多10个碳原子的芳烷基,至多10个碳原子的芳基, 卤素,低级烷基或低级烷氧基取代的芳基,氰基烷基,碳烷氧基烷基,卤代烷基,烷氧基烷基,至多12个碳原子的芳氧基烷基,至多12个碳原子的芳烷氧基烷基 原子,二烷基氨基烷基,至多8个碳原子的烷基酰基,低级烷基磺酰基,至多10个碳原子的芳基磺酰基,氰基和氨基甲酰基。
    • 75. 发明授权
    • Amide derivatives
    • 酰胺衍生物
    • US06444849B1
    • 2002-09-03
    • US09469354
    • 1999-12-22
    • Ryoichi AndoMakoto KawamuraNoriko ChibaKazutoshi Watanabe
    • Ryoichi AndoMakoto KawamuraNoriko ChibaKazutoshi Watanabe
    • C07C23305
    • C07D307/79C07C237/42C07C2601/08C07C2601/14C07D209/18C07D317/60C07D333/60
    • A compound represented by the following general formula (1); wherein X represents R1(R2)(R3)C— where R1 represents a C3-C8 cycloalkyl group, an optionally substituted C6-C14 aryl group, an optionally substituted heterocyclic residue, an optionally substituted C6-C14 aryloxy group, or an optionally substituted C7-C15 arylmethyl group; R2 and R3 independently represent hydrogen atom or a C1-C5 alkyl group, or R2 and R3 may combine to represent a C2-C7 alkylene group; or X represents R7—A— wherein R7 represents (i) a C1-C10 alkyl group which may optionally be substituted with an optionally substituted C6-C14 aryl group, an optionally substituted fluorenyl group or an optionally substituted heterocyclic group, (ii) an optionally substituted C6-C14 aryl group or (iii) an optionally substituted heterocyclic group, and A represents an oxygen atom or —N—R8 where R8 represents hydrogen atom or a C1-C5 alkyl group, Y represents an oxygen atom or a sulfur atom, R4 and R5 independently represent hydrogen atom or a C1-C5 alkyl group; and R6 represents hydrogen atom, a C1-C5 alkyl group which may optionally be substituted with a hydroxyl group, a hydroxyl group or a C1-C5 alkoxy group, provided that the compounds wherein R7 is a benzyl group, A and Y are an oxygen atom, R4 and R5 are hydrogen atom, and R6 is a propyl group are excluded, or a salt thereof, or a solvate thereof or a hydrate thereof.
    • 由以下通式(1)表示的化合物:其中X表示R 1(R 2)(R 3)C-,其中R 1表示C 3 -C 8环烷基,任选取代的C 6 -C 14芳基,任选取代的杂环残基, 任选取代的C 6 -C 14芳氧基,或任选取代的C 7 -C 15芳基甲基; R2和R3独立地表示氢原子或C1-C5烷基,或R2和R3可以组合以表示C2-C7亚烷基; 或X表示R7-A,其中R7表示(i)可任选被任选取代的C 6 -C 14芳基取代的C 1 -C 10烷基,任选取代的芴基或任选取代的杂环基,(ii)任选地 取代的C 6 -C 14芳基或(iii)任选取代的杂环基,A表示氧原子或-N-R 8,其中R 8表示氢原子或C 1 -C 5烷基,Y表示氧原子或硫原子, R4和R5独立地表示氢原子或C1-C5烷基; 并且R 6表示氢原子,可任选被羟基,羟基或C 1 -C 5烷氧基取代的C 1 -C 5烷基,条件是其中R 7为苄基,A和Y为氧的化合物为氧 原子,R 4和R 5为氢原子,并且R 6为丙基,或其盐,或其溶剂合物或其水合物。