PROCESS FOR THE SYNTHESIS OF CARBONUCLEOSIDE AND INTERMEDIATES FOR USE THEREIN

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专利权人:

Dino Alberico

发明人:

Dino Alberico,Joshua Clayton,Craig Dixon,Boris Gorin

申请号：

US13700259

公开号：

US20130144058A1

申请日:

2011.05.30

申请国别(地区):

US

年份:

2013

代理人:

摘要：

Disclosed is a process for preparing a carbonucleoside of formula (1) and intermediates for use therein. The process involves the step of reacting a compound of formula (2) with a compound of formula (3) under Mitsunobu-type reaction conditions to obtain a compound of formula (4), wherein PG1, PG2, PG3 and PG4 are protecting groups. The compound of formula (4) is deprotected to form the compound of formula (1), as shown below.

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