[EN] PROCESS FOR PREPARATION OF LACTONE DERIVATIVES AND INTERMEDIATES THEREOF<br/>[FR] PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS DE LACTONE ET DE SES INTERMÉDIAIRES
申请人:PHARMARESOURCES SHANGHAI CO LTD
公开号:WO2018032356A1
公开(公告)日:2018-02-22
A novel process for the preparation of lactone derivatives, and intermediates thereof is described. The lactone derivatives are important precursors for the synthesis of anti-hepatitis C virus agents, including sofosbuvir.
PROCESS FOR THE PREPARATION OF A FLUOROLACTON DERIVATIVE
申请人:Hoffmann-La Roche Inc.
公开号:US20150315165A1
公开(公告)日:2015-11-05
A novel process for the preparation of a fluorolactone derivative of the formula
and of its acylated derivative of formula
wherein R
1
stands for a hydroxy protecting group is described.
The acylated fluorolactones of formula V, particularly the benzoyl derivative with R
1
=benzyl are important precursors for the synthesis of prodrug compounds which have the potential to be potent inhibitors of the Hepatitis C Virus (HCV) NS5B polymerase.
Process for preparation of lactone derivatives and intermediates thereof
申请人:PHARMARESOURCES (SHANGHAI) CO., LTD.
公开号:US10611739B2
公开(公告)日:2020-04-07
A novel process for the preparation of lactone derivatives, and intermediates thereof is described. The lactone derivatives are important precursors for the synthesis of anti-hepatitis C virus agents, including sofosbuvir.
PROCESS FOR THE PREPARATION OF A FLUOROLACTION DERIVATIVE
申请人:Gilead Pharmasset LLC
公开号:US20170183317A1
公开(公告)日:2017-06-29
A novel process for the preparation of a fluorolactone derivative of the formula
and of its acylated derivative of formula
wherein R
1
stands for a hydroxy protecting group is described.
The acylated fluor lactones of formula V, particularly the benzoyl derivative with R
1
=benzyl are important precursors for the synthesis of prodrug compounds which have the potential to be potent inhibitors of the Hepatitis C Virus (HCV) NS5B polymerase.
PROCESS FOR PREPARATION OF LACTONE DERIVATIVES AND INTERMEDIATES THEREOF
申请人:PHARMARESOURCES (SHANGHAI) CO., LTD.
公开号:US20190210981A1
公开(公告)日:2019-07-11
A novel process for the preparation of lactone derivatives, and intermediates thereof is described. The lactone derivatives are important precursors for the synthesis of anti-hepatitis C virus agents, including sofosbuvir.