114121-68-5Relevant articles and documents
Penehyclidine hydrochloride impurity and preparation method thereof
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Paragraph 0037-0038, (2020/12/15)
The invention relates to a penehyclidine hydrochloride impurity and a preparation method thereof, and belongs to the technical field of medicines. The penehyclidine impurity provided by the inventionis as shown in a formula I. The synthesis method of the impurity reference substance 3-(2-cyclopentyl-2-hydroxy-2-phenylethoxy)quinine-1-oxide provided by the invention has the advantages of easily available synthesis raw materials, simple and convenient operation, low cost and good economic value.
Quinine compound containing quaternary ammonium groups and preparation method of quinine compound
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Paragraph 0022-0024, (2019/06/07)
The invention discloses a quinine compound containing quaternary ammonium groups and a preparation method of the quinine compound, and relates to a novel compound with the general formula I and a preparation method of the novel compound. The preparation m
A quaternary ammonium salt of pentethyl quinamidine optical isomer, pharmaceutical composition and its medical use
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Paragraph 0090-0091, (2017/02/24)
The invention relates to a quaternary ammonium salt compound shown as a formula I, or pharmaceutically acceptable salt or solvate thereof. The invention also relates to application of the compound as a selective M receptor antagonist, particularly a selec