氟马西尼

氟马西尼

CAS号:78755-81-4
英文名:flumazenil
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化合物简介
Flumazenil (also known as flumazepil, code name Ro 15-1788) is a selective benzodiazepine receptor antagonist primarily available by injection only, and the only GABAA negative allosteric modulator on the market today. It has antagonistic and antidote properties to therapeutically used benzodiazapenes, through competitive inhibition.
基本信息
编号系统
物化性质
安全信息
生产方法及用途
生产方法
方法1:5-氟靛红在冰醋酸和浓硫酸中,用30%过氧化氢氧化,得黄色固体的6-氟靛红酸酐,收率82%。然后和肌氨酸(即N-甲基甘氨酸)在二甲亚砜中,于100℃反应,得化合物(Ⅰ),收率80%。再在氯仿中,N,N-二甲基苯胺存在下,和三氯氧磷回流。氯化所得化合物(Ⅱ)经处理后,在二甲基甲酰胺中,叔丁醇钠存在下,和氰基醋酸乙酯反应,得氟马西尼,收率40%,熔点200~203℃。
方法2:4-氟-2-(N-羧基氨基)苯甲酸和N-甲基甘氨酸环合,生成化合物(Ⅲ),再和2-氰基乙酸乙酯环合,得到氟马西尼。
用途
1.第一个苯并二氮杂革类药物的拮抗剂,用于对抗苯并二氮杂革类药物超剂量使用后的镇静作用及定向障碍,并具有抗惊厥活性和抗癫痫作用。
2.也可用于氟烷麻醉后的恢复期及因酒精中毒所致肝硬化的脑病,作为原因不明的神志丧失的诊断药,用以鉴别苯二氮革类及其它药物中毒或脑损伤。
3.中枢神经系统兴奋药。
上游原料
(3-(ethoxycarbonyl)-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepin-8-yl)(phenyl)iodonium tosylate 8-amino-5,6-dihydro-5-methyl-6-oxo-4H-imidazol[1,5-a][1,4]benzodiazepine-3-carboxylic acid ethyl ester 六甲基二硅氮烷 7-nitro-3,4-dihydro-4-methyl-2H-1,4-benzodiazepine-2,5-(1H)-dione (3-(ethoxycarbonyl)-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepin-8-yl)(2-thiophenyl)iodonium tosylate N,N-二甲基对甲苯胺 (3-(ethoxycarbonyl)-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepin-8-yl)(3-methoxyphenyl)iodonium tosylate (E)-(dimethylamino-methyleneamino)-acetic acid ethyl ester (3-(ethoxycarbonyl)-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepin-8-yl)(3-thiophenyl)iodonium tosylate 2-chloro-7-fluoro-4-methyl-3H-1,4-benzodiazepin-5-one 异氰基乙酸乙酯 叔丁醇钾 8-氟-5,6-二氢-6-氧代-4H-咪唑并[1,5-a][1,4]苯并二氮杂卓-3-羧酸乙酯 (3-(ethoxycarbonyl)-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepin-8-yl)(4-methylphenyl)iodonium tosylate ethyl N-((dimethylamino)methylene)glycinate (3-(ethoxycarbonyl)-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepin-8-yl)(4-methoxyphenyl)iodonium tosylate 5-甲基-8-硝基-6-氧代-5,6-二氢-4H-苯并[f]咪唑并[1,5-a][1,4]二氮杂卓-3-羧酸乙酯 7-氟-3.4-二氢-4-甲基-2H-1.4-苯并二氮卓-2.5(1H)-二酮 二氯胺 氯磷酸二乙酯 ethyl 5,6-dihydro-5-methyl-6-oxo-8-tributylstannyl-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate