Processes for the preparation of substituted isoxazoles and 2-isoxazolines
    2.
    发明授权
    Processes for the preparation of substituted isoxazoles and 2-isoxazolines 失效
    制备取代异恶唑和2-异恶唑啉的方法

    公开(公告)号:US06809204B2

    公开(公告)日:2004-10-26

    申请号:US10269559

    申请日:2002-10-11

    IPC分类号: C07D26104

    摘要: Provided are compounds, processes and synthetic intermediates useful for the preparation of compounds of the formula I and IX wherein R1 is selected from the group consisting of hydrogen, trihalomethyl, C1-C6 alkyl and substituted or unsubstituted phenyl; Y is a group of the formula wherein R2 is selected from the group consisting of C1-C6 alkyl, C1-C6 alkanoylamino and amino; and R5 is selected from the group consisting of hydrogen, amino, halogen, hydroxyl, nitro, C1-C6 alkyl, C1-C6 alkoxy, carboxy, C1-C6 trihaloalkyl, cyano, phosphonato, and hydroxyalkyl; and Z is selected from the group consisting of substituted and unsubstituted aryl. Also provided are certain N-acylated analogs of compounds of the formula I and IX, and processes for their preparation.

    摘要翻译: 提供可用于制备式I和IX化合物的化合物,方法和合成中间体,其中R 1选自氢,三卤甲基,C 1 -C 6烷基和取代或未取代的苯基; Y是一个基团,其中R 2选自C 1 -C 6烷基,C 1 -C 6烷酰基氨基和氨基; 羟基,硝基,C 1 -C 6烷基,C 1 -C 6烷氧基,羧基,C 1 -C 6三卤代烷基,氰基,膦酸酯基和羟基烷基; R 5选自氢,氨基,卤素,羟基,硝基, 并且Z选自取代和未取代的芳基。 还提供了式I和IX化合物的某些N-酰化类似物及其制备方法。

    N-heteroaryl aryl-substituted thienyl-furyl-and pyrrolyl-sulfonamides and derviatives thereof that modulate the activity of endothelin
    4.
    发明授权
    N-heteroaryl aryl-substituted thienyl-furyl-and pyrrolyl-sulfonamides and derviatives thereof that modulate the activity of endothelin 失效
    N-杂芳基芳基取代的噻吩基 - 呋喃基和吡咯基磺酰胺及其衍生物,其调节内皮素的活性

    公开(公告)号:US06420567B1

    公开(公告)日:2002-07-16

    申请号:US08938325

    申请日:1997-09-26

    IPC分类号: C07D26104

    摘要: Thienyl-, furyl- and pyrrolyl-sulfonamides, formulations of pharmaceutically-acceptable salts thereof and methods for modulating or altering the activity of the endothelin family of peptides are provided. In particular, N-(isoxazolyl)thienylsulfonamides, N-(isoxazolyl)furylsulfonamides and N-(isoxazolyl)pyrrolylsulfonamides, formulations thereof and methods using these sulfonamides for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamides or prodrugs thereof that inhibit the activity of endothelin are also provided.

    摘要翻译: 提供噻吩基,呋喃基和吡咯基磺酰胺,其药学上可接受的盐的制剂和调节或改变肽内皮素家族的活性的方法。 特别地,N-(异恶唑基)噻吩基磺酰胺,N-(异恶唑基)呋喃基磺酰胺和N-(异恶唑基)吡咯烷磺酰胺,其制剂和使用这些磺酰胺用于通过使受体与磺酰胺接触来抑制内皮素肽与内皮素受体结合的方法 被提供。 还提供了通过施用有效量的一种或多种这些抑制内皮素活性的磺酰胺或其前体来治疗内皮素介导的病症的方法。

    Enantioselective enzymatic aminolysis of a racemic 2-isoxazolylacetate alkyl ester
    8.
    发明授权
    Enantioselective enzymatic aminolysis of a racemic 2-isoxazolylacetate alkyl ester 失效
    外消旋2-异恶唑乙酸烷基酯的对映选择性酶解

    公开(公告)号:US06624311B2

    公开(公告)日:2003-09-23

    申请号:US10039972

    申请日:2001-10-25

    IPC分类号: C07D26104

    摘要: The present invention relates to a process for the enantioselective enzymatic aminolysis of racemic 2-[3-(4-cyanophenyl)-4,5-dihydro-5-isoxazolyl]acetate ((R/S)-I) by methyl N&agr;-Boc-L-&agr;,&bgr;-diaminoproprionate.p-toluenesulfonic acid. More specifically, this invention pertains to a process for the enantioselective enzymatic aminolysis of racemic isobutyl 2-[3-(4-cyanophenyl)-4,5-dihydro-5-isoxazolyl]-acetate by methyl N&agr;-Boc-L-&agr;,&bgr;-diaminoproprionate.p-toluene sulfonic acid to produce (R)-methyl-3-[[[3-(4-cyanophenyl)-4,5-dihydro-5-isoxazolyl]acetyl]amino]-N-(butoxycarbonyl)-L-alanine, an intermediate in the preparation of roxifiban, an isoxazoline-based platelet glycoprotein IIb/IIIa antagonist which has activity as an antithrombotic agent.

    摘要翻译: 本发明涉及外消旋的2- [3-(4-氰基苯基)-4,5-二氢-5-异恶唑基]乙酸酯((R / S)-I)的对映选择性酶促氨基化方法由Nalpha-Boc -L-α,β-二氨基丙酸酯对甲苯磺酸。 更具体地,本发明涉及通过Nalpha-Boc-L-α甲基对外消旋异丁基2- [3-(4-氰基苯基)-4,5-二氢-5-异恶唑基] - 乙酸酯的对映选择性酶解的方法, (R) - 甲基-3 - [[[3-(4-氰基苯基)-4,5-二氢-5-异恶唑基]乙酰基]氨基] -N-(丁氧基羰基) L-丙氨酸,罗非昔布的制备中间体,一种具有作为抗血栓形成剂活性的异恶唑啉类血小板糖蛋白IIb / IIIa拮抗剂。