- Tanshinone IIA thiophene pyridine compound and preparation method and application thereof
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The invention provides a tanshinone IIA thiophene pyridine compound with the structure shown in the formula I. Experiments show that the compound can effectively inhibit the expression, binding and activity of platelet membrane ADP receptors and can be us
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Paragraph 0037
(2019/08/15)
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- A PROCESS FOR MAKING PRASUGREL AND ITS INTERMEDIATES
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The present invention relates to 5-R-2-acetoxy-4,5,6,7-tetrahydrothieno[3,2-c]pyridine compound of the general formula (A) and/or acid addition salts thereof, to processes for their preparation and their use as an intermediate in making prasugrel.
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Page/Page column 15-16
(2011/04/18)
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- PROCESSES FOR THE PREPARATION OF PRASUGREL, AND ITS SALTS AND POLYMORPHS
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Processes for the preparation of prasugrel and its pharmaceutically acceptable salts thereof. Also disclosed are polymorphic forms of prasugrel hydrochloride and processes for their preparation.
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Page/Page column 42-43
(2009/06/27)
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- PROCESS FOR THE PREPARATION OF 2-ACETOXY-5-(α -CYCLOPRPYLCARBONYL -2-FLUOROBENZYL)-4,5,6,7-TETRAHYDROTHIENO[3,2-C]PYRIDINE
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The present invention relates to a process for the preparation of 2-Acetoxy-5-(α-cycloprpylcarbonyl-2-fluorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine and pharmaceutically acceptable salt thereof using a 2-acetoxy-tetrahydrothienopyridine derivatives i.e. compound of formula (VI) and (VIII) or salt thereof or acid addition salt of 5-(α-cycloprpylcarbonyl-2-fluorobenzyl)-2-oxo-4,5,6,7-tetrahydrothieno[3,2-c]pyridine of formula (II). The present invention also relates to the process for the preparation of 2-acetoxy-tetrahydrothienopyridine derivatives i.e. compound of formula (VI) and (VIII) or salt thereof and acid addition salt of compound of formula (II).
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Page/Page column 32
(2009/10/30)
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