CN Patent

CN1135209A — 新的氨基甲酸苯基烷基氨基醇酯及其制备方法

Assigned to SK Biopharmaceuticals Co Ltd · Expires 1996-11-06 · 30y expired

What this patent protects

结构式(I)所示O-氧基甲酰基-3-苯基-2-氨基-1-丙醇见式(I), 是治疗中枢神经系统疾病有用的药物,其制备方法的特征在于包括以下步骤;在碱性水溶液介质中用氯甲酸苄酯处理-3-苯基-2-氨基-1-丙醇,得到N-苄氧羰基-3-苯基-2-氨基-1-丙醇;将此中间体与光气反应,然后用过量浓氢氧化铵水溶液处理,得到O-氨基甲酰基-N-苄氧羰基3-苯基-2-氨基-1-丙醇,通过氢解反应去保护基。

USPTO Abstract

结构式(I)所示O-氧基甲酰基-3-苯基-2-氨基-1-丙醇见式(I), 是治疗中枢神经系统疾病有用的药物,其制备方法的特征在于包括以下步骤;在碱性水溶液介质中用氯甲酸苄酯处理-3-苯基-2-氨基-1-丙醇,得到N-苄氧羰基-3-苯基-2-氨基-1-丙醇;将此中间体与光气反应,然后用过量浓氢氧化铵水溶液处理,得到O-氨基甲酰基-N-苄氧羰基3-苯基-2-氨基-1-丙醇,通过氢解反应去保护基。

Drugs covered by this patent

Patent Metadata

Patent number
CN1135209A
Jurisdiction
CN
Classification
Expires
1996-11-06
Drug substance claim
No
Drug product claim
No
Assignee
SK Biopharmaceuticals Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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