371193-61-2Relevant articles and documents
Method for synthesizing oxytetracycline and oxytetracycline phosphate (by machine translation)
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, (2020/04/22)
Step A product shown in Formula is obtained by dissolving, a product of: Formula I with a product shown by subjecting a product shown II in Formula to a reaction; to obtain a product having a hydroxyl: protection product II as shown in Formula I, and a ca
METHOD AND INTERMEDIATE FOR PREPARING TULATHROMYCIN
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, (2019/02/05)
A method and an intermediate for preparing a tulathromycin. The method includes the following step: in an organic solvent, subjecting a compound represented by formula (II) and an n-propylamine to a ring-opening addition shown below to obtain a tulathromycin represented by formula (I), wherein the organic solvent is a 1,2-propandiol. Tulathromycin obtained using the method has a high purity, with an HPLC purity being 95% and above, and up to 99% and above, satisfying a required purity for preparing a tulathromycin as a pharmaceutical formulation. The method has a high yield, is simple to operate, and is more suitable for industrial production.
Tulathromycin oxalate
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, (2017/12/27)
The invention discloses salt of tulathromycin, particularly oxalate, a preparation method of tulathromycin oxalate and application of tulathromycin oxalate to preparation of tulathromycin.