Nucleotide Analogue Prodrug and the Preparation Thereof
申请人:Yuan Jiandong
公开号:US20100216822A1
公开(公告)日:2010-08-26
(R)-9-[2-bis[pivaloyloxymeihoxy]phosphinoylmethoxypropyl]adenine (being abbreviated bis-POMPMPA, TD), the derivative and the use thereof. Also including the synthetic process of TD and the procedure for manufacturing solid TD, as well as the composition containing TD and the procedure for manufacturing the composition.
The present invention provides a process for the preparation of tenofovir. The present invention also provides a process for the preparation of tenofovir disoproxil or a salt thereof and its pharmaceutical composition using the tenofovir of the present invention.
[EN] PROCESS FOR THE PREPARATION OF TENOFOVIR<br/>[FR] PROCÉDÉ DE SYNTHÈSE DU TÉNOFOVIR
申请人:APTUIT LAURUS PRIVATE LTD
公开号:WO2012081032A1
公开(公告)日:2012-06-21
The present invention provides a process for the preparation of tenofovir. The present invention also provides a process for the preparation of tenofovir disoproxil or a salt thereof and its pharmaceutical composition using the tenofovir of the present invention.
[EN] PROCESS FOR THE PREPARATION OF TENOFOVIR<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE TÉNOFOVIR
申请人:LAURUS LABS PRIVATE LTD
公开号:WO2013072745A1
公开(公告)日:2013-05-23
The present invention provides a process for preparation of tenofovir by dealkylation of its phosphonate ester using Ionic complexes. The present invention also provides a process for preparation of tenofovir disoproxil or a salt thereof using the tenofovir of the present invention.
[EN] A PROCESS FOR THE PREPARATION OF (R)-9-[2-(PHOSPHONOMETH-OXY)PROPYL]ADENINE (PMPA)<br/>[FR] PROCÉDÉ DE PRÉPARATION DE (R)-9-[2-(PHOSPHONOMETH-OXY)PROPYL]ADENINE (PMPA)
申请人:ITHEMBA PHARMACEUTICALS PROPRIETARY LTD
公开号:WO2014033688A1
公开(公告)日:2014-03-06
This invention relates to a process for the preparation of (R)-9-[2- (phosphonometh-oxy)propyl]adenine (PMPA). This invention also relates to the preparation of Tenofovir disoproxil fumarate (TDF), a compound which can be produced from PMPA. The claimed process comprises reacting compound (6) with compound (7) in presence of 2,2,6,6- tetramethylpiperidinylmagnesium to compound (2), which is hydrolysed to (3).