Abstract: The present invention provides a compound of formula N wherein: X is CH2, oxygen or sulphur; R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkyloxy, hydroxy, nitro, alkylcarbonylamino, alkylamino or dialkylamino group, wherein N is in the form of the individual R- and S-enantiomer or a mixture of the (R)- and (S)-enantiomer. The present invention also provides a compound of formula MA. The present invention also provides processes for preparing the above compounds, and processes involving their use. The compounds are particularly useful as intermediates in the synthesis of peripherally-selective inhibitors of dopamine-?-hydroxylase.
Type:
Grant
Filed:
September 12, 2014
Date of Patent:
June 25, 2019
Assignee:
Bial-Portela & CA, S.A.
Inventors:
Domenico Russo, Jorge Wahnon, William Maton, Beat T. Weber, Paula Jeronimo, Luisa Sousa, Pedro Barrocas, Rita Pires, Ricardo Lima, Teofilo Vasconcelos
Abstract: A compound, or a pharmaceutically acceptable salt or ester thereof, having a structure of: wherein X is a divalent linking moiety; and R1-R10 are each individually H, optionally-substituted alkyl, optionally-substituted alkoxy, optionally-substituted aryl, optionally-substituted cycloalkyl, optionally-substituted heterocyclic, halogen, amino, or hydroxy, provided that at least one of R3 or R8 is an optionally-substituted alkyl, a substituted alkoxy, optionally-substituted aryl, optionally-substituted cycloalkyl, optionally-substituted heterocyclic, or halogen.
Type:
Grant
Filed:
April 25, 2016
Date of Patent:
June 4, 2019
Assignees:
University of Pittsburgh - Of the Commonwealth System of Higher Education, The United States Government as represented by the Department of Veterans Affairs
Abstract: The polymorphic forms of the compound of Formula I, the preparation thereof including the preparation of the intermediates, the pharmaceutical compositions thereof and the uses of a polymorph above in the manufacture of medicaments for treating a disease, a disorder or a condition are disclosed.