WO2016189542A1 - Novel process for the preparation of sapropterin dihydrochloride and its key intermediate, l-biopterin - Google Patents

Novel process for the preparation of sapropterin dihydrochloride and its key intermediate, l-biopterin Download PDF

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Publication number
WO2016189542A1
WO2016189542A1 PCT/IN2015/050071 IN2015050071W WO2016189542A1 WO 2016189542 A1 WO2016189542 A1 WO 2016189542A1 IN 2015050071 W IN2015050071 W IN 2015050071W WO 2016189542 A1 WO2016189542 A1 WO 2016189542A1
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WO
WIPO (PCT)
Prior art keywords
formula
biopterin
compound
salt
acid
Prior art date
Application number
PCT/IN2015/050071
Other languages
French (fr)
Inventor
Durga Prasad Konakanchi
Buchappa Gongalla
Uma Naresh Babu KOTRA
Kotaiah Babu SIKHA
Srinivasulu SAKKANI
Nagamani BRAHMADEVI
Srinivasa Krishna Murthy Konduri
Ravi Kumar Remella
Sandeep Kumar THOOTA
Chandrasekhar JAVVADI
Pulla Reddy Muddasani
Bhujanga Rao Adibhatla Kali Satya
Venkaiah Chowdary Nannapaneni
Original Assignee
Natco Pharma Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority to IN2684/CHE/2015 priority Critical
Priority to IN2684CH2015 priority
Application filed by Natco Pharma Ltd filed Critical Natco Pharma Ltd
Publication of WO2016189542A1 publication Critical patent/WO2016189542A1/en

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