US2010305364A1PendingUtilityA1

Process for preparing diisopropyl((1-(hydroxymethyl)-cyclopropyl)oxy)methylphosphonate

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Assignee: YOON SUK-KYOONPriority: Jul 2, 2004Filed: Aug 10, 2010Published: Dec 2, 2010
Est. expiryJul 2, 2024(expired)· nominal 20-yr term from priority
Inventors:Suk Kyoon YoonKun-Hye NamSang-Who LeeWon-Kyo JoungSang-Chul ChoiKi Kon Lee
C07F 9/65616C07F 9/4006C07F 9/54
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Claims

Abstract

The present invention relates to a new process for preparing diisopropyl {[1-(hydroxymethyl)-cyclopropyl]oxy}methylphosphonate (2), which is a key intermediate for synthesizing an antiviral (particularly, against hepatitis B virus) nucleoside analogue. The present invention also relates to new intermediates, and a process for preparing the antiviral nucleoside analogue from the compound (2) prepared according to the present invention.

Claims

exact text as granted — not AI-modified
1 . A compound of the following formula (9):

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