869478-12-6Relevant articles and documents
Preparation method of olodaterol and salts thereof
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Paragraph 0063-0067, (2021/04/03)
The invention relates to a preparation method of olodaterol and salts thereof, which comprises the following steps: in a solvent, carrying out oxidation and nucleophilic addition reaction on a compound shown in a formula I to obtain a compound shown in a
Olodaterol hydrochloride crystal form A and preparation method thereof
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Paragraph 0074-0076, (2019/01/16)
The invention relates to a long-acting beta 2 adrenergic agonist drug olodaterol hydrochloride crystal form A, a preparation method thereof and and a pharmaceutical composition containing the crystalform A. The crystal form is characterized by X-ray diffr
Benzoxazine compound and its preparation methods and application
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, (2017/10/07)
The invention relates to a benzoxazine compound represented in the following formula 1. The benzoxazine compound can serve as a beta 2 receptor agonist. The formula can be seen from the description.