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Shanghai Institute Of Pharmaceutical Industry patents


Recent patent applications related to Shanghai Institute Of Pharmaceutical Industry. Shanghai Institute Of Pharmaceutical Industry is listed as an Agent/Assignee. Note: Shanghai Institute Of Pharmaceutical Industry may have other listings under different names/spellings. We're not affiliated with Shanghai Institute Of Pharmaceutical Industry, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Shanghai Institute Of Pharmaceutical Industry-related inventors


Preparation method for praziquantel and intermediate compounds thereof

Disclosed is a preparation method for praziquantel and intermediates thereof. The method includes: obtaining a target product praziquantel by using β-phenethylamine as an initial raw material through a condensation reaction with chloroacetyl chloride, a substitution reaction with ethanolamine, and an acylation reaction with cyclohexanecarbonyl chloride, followed by an oxidation reaction and cyclization reaction. ... Shanghai Institute Of Pharmaceutical Industry








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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