Preparation of substituted butenolides via palladium-free etherification and amination of masked mucohalic acids
申请人:Blazecka Garth Peter
公开号:US20050059831A1
公开(公告)日:2005-03-17
Methods and materials for preparing 4-substituted-2-buten-4-olides are disclosed. The methods include reacting a masked mucohalic acid with a primary or secondary amine or with an arylol in the presence of a base. Unlike existing processes, the disclosed methods do not require the use of palladium, which make them well suited for preparing intermediates in drug syntheses.
Peptidic ketones as interleukin-1beta-converting enzyme inhibitors
申请人:STERLING WINTHROP INC.
公开号:EP0623606A2
公开(公告)日:1994-11-09
Disclosed are compounds of formula (I) and pharmaceutically acceptable salts thereof:
wherein
R₁ is (CR₅R₆)n, (CR₅R₆)n-aryl, (CR₅R₆)n-heteroaryl, X-(CR₅R₆)n, X-(CR₅R₆)n-aryl or X-(CR₅R₆)n-heteroaryl wherein aryl and heteroaryl may be optionally substituted;
X is O or NR₅;
R₅ and R₆ are independently H or lower alkyl;
R₂ is H, halo, lower alkyl or (CR₅R₆)n-aryl;
R₃ and R₄ are independently H or alkyl;
A is a D or L isomer of an amino acid selected from the group consisting of alanine, valine, leucine, isoleucine, proline, phenylalanine, glycine, tyrosine, methionine, asparagine, glutamine, aspartic acid, glutamic acid lysine, arginine, histidine and β-thienylalanine;
Z is CH₂ or O; and
n is 0-4;
pharmaceutical compositions containing the compounds; and a method for inhibiting interleukin-1β protease activity in a mammal utilizing the compounds and compositions.
公开了式 (I) 化合物及其药学上可接受的盐类:
其中
R₁是(CR₅R₆)n、(CR₅R₆)n-芳基、(CR₅R₆)n-杂芳基、X-(CR₅R₆)n、X-(CR₅R₆)n-芳基或 X-(CR₅R₆)n-杂芳基,其中芳基和杂芳基可任选取代;
X 是 O 或 NR₅;
R₅ 和 R₆ 独立地为 H 或低级烷基;
R₂ 是 H、卤代、低级烷基或 (CR₅R₆)n 芳基;
R₃ 和 R₄ 独立地为 H 或烷基;
A 是选自丙氨酸、缬氨酸、亮氨酸、异亮氨酸、脯氨酸、苯丙氨酸、甘氨酸、酪氨酸、 蛋氨酸、天冬酰胺、谷氨酰胺、天冬氨酸、谷氨酸、赖氨酸、精氨酸、组氨酸和 β-噻吩基丙氨酸的氨基酸的 D 或 L 异构体;
Z 是 CH₂ 或 O;以及
n 为 0-4;
含有这些化合物的药物组合物;以及利用这些化合物和组合物抑制哺乳动物体内白细胞介素-1β蛋白酶活性的方法。
US5462939A
申请人:——
公开号:US5462939A
公开(公告)日:1995-10-31
US5585486A
申请人:——
公开号:US5585486A
公开(公告)日:1996-12-17
[EN] PREPARATION OF SUBSTITUTED BUTENOLIDES VIA PALLADIUM-FREE ETHERIFICATION AND AMINATION OF MASKED MUCOHALIC ACIDS<br/>[FR] PREPARATION DE BUTENOLIDES SUBSTITUES PAR ETHERIFICATION SANS PALLADIUM ET AMINATION D'ACIDES MUCOHALIQUES MASQUES
申请人:WARNER LAMBERT CO
公开号:WO2005026141A2
公开(公告)日:2005-03-24
Methods and materials for preparing 4-substituted-2-buten-4-olidos are disclosed. The methods include reacting a masked mucohalic acid with a primary or secondary amine or with an arylol in the presence of a base. Unlike existing processes, the disclosed methods do not require the use of palladium, which make them well suited for preparing intermediates in drug syntheses.