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US 2026/0250248 A1Published application
Drug intermediate and preparation method therefor
AssigneeFujian Akeylink Biotechnology Co., Ltd.
InventorsJian Zhang, Feng Lin, Xiaodong Zou, Yong Wang, Hui Guo, Fusheng Xiao, Haiying He
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Abstract
Disclosed in the present invention are a drug intermediate and a preparation method therefor, and specifically disclosed are a compound as represented by formula (I) and a preparation method therefor.
Claims10
A preparation method for a compound of formula (I),
- wherein the preparation method comprises a step of synthesizing compound D using compound A as a raw material:
- wherein
- R1 is selected from H, C1-4 alkyl, and benzyl;
- R2 is an amino protecting group.
1 more element
An intermediate of the following formula, a hydrochloride thereof, or a sulfate thereof,
Dependencies are inferred from the claim text.