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达方吡啶的制备方法

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摘要

本发明涉及一种达方吡啶的制备方法，包括以下步骤：1)将氨基树脂和异烟酸通过偶联剂制备异烟酸酰胺树脂；2)以裂解液脱除树脂，制备异烟酸酰胺；3)将步骤2)所得异烟酸酰胺通过降解试剂和碱，经霍夫曼降解得到达方吡啶。

1. 达方吡啶的制备方法 [P] . 中国专利： CN106554306B . 2019.02.26
2. 一种达方吡啶缓释片及其制备方法 [P] . 中国专利： CN106551914A . 2017-04-05
3. NOVEL DERIVATIVES OF IMIDAZO 1,2-A PYRIDINE AND METHOD OF OBTAINING THEM AS WELL AS PHARMACEUTICAL PREPARATION AND METHOD OF PREPARING SAME [P] . PL307328A1 . 1995-08-21

机译：咪达唑[1,2-A]吡啶的新型衍生物及其制备方法，药物制备方法和制备方法
4. METHOD OF MAKING THE IMIDAZO /4,5-B/PYRIDINE AND A PYRIDINE [P] . CS223849B2 . 1983-11-25

机译：咪达唑/ 4,5-B /吡啶和吡啶的制备方法
5. bendamustine pharmaceutical composition, lyophilized preparation, pharmaceutical dosage form, method for obtaining official approval for a bendamustine product, process for making a lyophilized bendamustine preparation, bendamustine pre-lyophilization solution or dispersion, lyophilized powder, method for preparing a lyophilized preparation of bendamustine, formulation for lyophilization, and use of a pharmaceutically acceptable solution [P] . BRPI0606332A2 . 2009-11-17

机译：苯达莫司汀药物组合物，冻干制剂，药物剂型，获得苯达莫司汀产品官方批准的方法，冻干苯达莫司汀制剂的制备方法，苯达莫司汀预冻干溶液或分散液，冻干粉剂，苯达莫司汀冻干制剂的制备方法，制剂冻干的方法，以及可药用溶液的用途