Title of Invention

17 ALFA , 21-DIHYDROXYPREGNENE ESTERS AS ANTIANDROGENIC AGENTS.

Abstract THERE IS DISCLOSED COMPOUNDS OF FORMULA (I) WHEREIN: R1 AND R2, WHICH CAN BE THE SAME OR DIFFERENT, ARE HYDROGEN OR A C3-C18 ACYL GROUP; WITH THE PROVISON THAT : - AT LEAST ONE OF R1 AND R2 IS DIFFERENT FROM HYDROGEN; - WHEN R1 IS HYDROGEN , R2 IS DIFFERENT FROM C3-C10 ACYL; - BOTH R1 AND R2 CAN NOTBE PROPIONYL. AND COMPOUNDS OF FORMULA (II) WHEREIN WHEN R1 IS HYDROGEN, R2 CAN BE PROPIONATE OR BUTYRATE; WHEN R1 IS BUTYRATE, R2 IS BUTYRATE. THERE IS ALSO DISCLOSED A PROCESS FOR THE PREPARATION OF COMPOUNDS OF FORMULA (I) OR (II) IN WHICH R1 AND R2 ARE BOTH ACYL GROUPS, WHICH PROCESS COMPRISES REACTING THE CORRESPONDING COMPOUNDS, WHEREIN R1 AND R2 ARE HYDROGEN,WITH CARBOXYLIC ACIDS ANHYDRIDES OR ACTIVE ESTERS, IN INERT SOLVENTS AND AT TEMPERATURES RANGING FROM -5o C TO THE REACTION MIXTURE BOILING TEMPERATURE.
Full Text

Documents:

72-KOLNP-2004-(03-01-2012)-FORM-27.pdf

72-KOLNP-2004-CORRESPONDENCE.pdf

72-KOLNP-2004-FORM 27-1.1.pdf

72-KOLNP-2004-FROM 27.pdf

72-kolnp-2004-granted-abstract.pdf

72-kolnp-2004-granted-assignment.pdf

72-kolnp-2004-granted-claims.pdf

72-kolnp-2004-granted-correspondence.pdf

72-kolnp-2004-granted-description (complete).pdf

72-kolnp-2004-granted-examination report.pdf

72-kolnp-2004-granted-form 1.pdf

72-kolnp-2004-granted-form 18.pdf

72-kolnp-2004-granted-form 2.pdf

72-kolnp-2004-granted-form 3.pdf

72-kolnp-2004-granted-form 5.pdf

72-kolnp-2004-granted-gpa.pdf

72-kolnp-2004-granted-letter patent.pdf

72-kolnp-2004-granted-reply to examination report.pdf

72-kolnp-2004-granted-specification.pdf


Patent Number 214645
Indian Patent Application Number 72/KOLNP/2004
PG Journal Number 07/2008
Publication Date 15-Feb-2008
Grant Date 13-Feb-2008
Date of Filing 21-Jan-2004
Name of Patentee COSMO S.P.A.
Applicant Address VIA COLOMBO, 1, I-20020 LAINATE, ITALY
Inventors:
# Inventor's Name Inventor's Address
1 AJANI MAURO VIA COLOMBO, 1, I-20020 LAINATE
2 MORO LUIGI VIA COLOMBO, 1, I-20020 LAINATE
PCT International Classification Number C07J 5/00
PCT International Application Number PCT/EP02/08226
PCT International Filing date 2002-07-24
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 MI01A001762 2001-08-10 Italy