Publication number: 20100190848
Abstract: Substantially pure diastereoisomeric compounds of formula Ia, alternatively Ib, or a pharmaceutically acceptable salt thereof or a pharmaceutically acceptable solvate thereof, including hydrates, wherein PG is a protective group; R1 is a radical selected from the group consisting of phenylmethyl, 4-hydroxyphenylmethyl, (1H-indol-3-yl)methyl and (1H-imidazol-4-yl)methyl; R2 is a radical selected from the group consisting of —H, —CH3, —CH2SH, —CH2OH, —CH2Ph, —CH2CO2H, —CH2CONH2, —CH(OH)CH3, —CH(CH3)CH2CH3, —CH(CH3)2, —CH2CH(CH3)2, —(CH2)2SCH3, —(CH2)2CO2H, —(CH2)CONH2, —(CH2)3NHC(NH)NH2, —(CH2)4NH2, imidazol-4-ylmethyl, 4-hydroxyphenylmethyl, (1H-indol-3-yl)methyl, (1H-imidazol-4-yl)methyl and —(CH2)n—Ar; and R3 is a radical selected from the group consisting of —O(C1-C4)alkyl, —O(C2-C4)alkenyl, —O(C2-C4)alkynyl, —O(C1-C4)alkyl-Ar, —OAr, —NRaAr, —N(Ra)[(C1-C4)alkyl-Ar], and —NRaOAr and —N(Ra)[O(C1-C4)alkyl-Ar].
Type:
Application
Filed:
June 16, 2008
Publication date:
July 29, 2010
Applicant:
UNIVERSITAT JAUME I
Inventors:
Florenci Vicent Gonzalez Adelantado, Santiago Rodriguez Pastor, Javier Izquierdo Ferrer