Patent application number | Description | Published |
20100056813 | PROCESS FOR PREPARING NEBIVOLOL - The present invention relates to a process for preparing nebivolol and, more particularly, to a process for preparing d-nebivolol and its enantiomer l-nebivolol or acid addition salts thereof starting from commercially available or easily obtainable 2,2-dimethyl-1,3 dioxolane-4-carbaldehyde and a vinyl Grignard reagent. | 03-04-2010 |
20100076206 | PROCESS FOR PREPARING NEBIVOLOL - The present invention relates to a process for preparing Nebivolol and, more particularly, to an improved process for synthesizing enantiomerically enriched 6-fluoro chroman alcohol or epoxide derivatives of formula, wherein R and X is defined in the description; as useful intermediates in the preparation of Nebivolol. | 03-25-2010 |
20110021793 | PROCESS FOR PREPARING NEBIVOLOL - The present invention relates to a process for reducing a compound of formula (I) wherein X is halogen, a hydroxy group, an alkylsulfoniloxy group or an arylsulfonyloxy group; to give a compound of formula (II) as a di-astereoisomerically pure compound of RS/SR configuration characterized in that said reduction is carried out by the use of (+)-B-chlorodiisopinocampheylborane or (−)-B-chlorodiisopinocampheylborane. The compounds of formula (II) are useful as intermediates for the preparation of Nebivolol. | 01-27-2011 |
20110201831 | PROCESS FOR PREPARING NEBIVOLOL - The present invention relates to a process for preparing nebivolol and, more particularly, to a process for preparing d-nebivolol and its enantiomer l-nebivolol or acid addition salts thereof starting from commercially available or easily obtainable 2,2-dimethyl-1,3 dioxolane-4-carbaldehyde and a vinyl Grignard reagent. | 08-18-2011 |
20110207948 | PROCESS FOR PREPARING NEBIVOLOL - The present invention relates to a process for preparing Nebivolol and, more particularly, to an improved method of debenzylation of a compound of formula (II) useful for preparing nebivolol endowed with high purity. | 08-25-2011 |
20110207965 | PROCESS FOR PREPARING CINACALCET - A process for preparing N-[(1R)-1-(1-naphthyl)ethyl]-3-[3-(trifluoromethyl)-phenyl]propan-1-amine of formula (I) i.e. Cinacalcet and its intermediates of formulae (V), (Va) and (Vb). | 08-25-2011 |
20110306794 | PROCESS FOR PREPARING CINACALCET HYDROCHLORIDE - A process for preparing N-[(1R)-1-(1-naphthyl)ethyl]-3-[3-(trifluoromethyl)-phenyl]propan-1-amine hydrochloride salt of formula (I) | 12-15-2011 |
20120108826 | PROCESS FOR PREPARING NEBIVOLOL - The present invention relates to a process for preparing Nebivolol and, more in particular, to a fractional distillation method of a mixture of stereoisomers of formula | 05-03-2012 |