The present invention provides a process for the preparation of 3-N-benzylidene derivative of betulinic acid, used for treatment of angiogenesis, said process comprising the steps of dissolving 3-amino derivative of betulinic acid in an alcoholic solvent to obtain a solution, adding a benzaldehyde reagent the presence of an alkali carbonate to this solution, stirring, removing the solvent under vacuum, adding water and a halogenated organic solvent to the product, and separating the organic layer from the aqueous layer by conventional methods and evaporating the organic layer to obtain 3-N-benzylidene derivative of betulinic acid.

Patent Information

Application #

Filing Date

27 July 1998

Publication Number

Publication Type

Invention Field

Status

Email

Parent Application

Patent Number

Legal Status

Grant Date

2003-08-08

Renewal Date

Applicants

DABUR RESEARCH FOUNDATION

22, SITE IV. SAHIBABAD, GHAZIABAD 201 010, INDIA

Inventors

1. MANU JAGGI

W-5/40, DLF QUTAB ENCLAVE PHASE III, GURGAON, HARYANA

2. DR. SUNDER RAMADOSS

52A, DLF FLATS, VIJAY MANDAL ENCLAVE, HAUS KHAS, NEW DELHI 110016, INDIA

3. PRAVEEN RAJENDRAN

94 SECTOR V, RACHANA, VAISHALI, GHAZIABAD, U.P 201010, INDIA

4. DR. MOHAMMAD JAMSHED AHMAD SIDDIQUI

31-R.D.C. RAJ NAGAR , GHAZIABAD-201 002, U.P., INDIA

Specification

Documents

Application Documents

#	Name	Date
1	2195-del-98-petition-123.pdf	2011-08-21
2	2195-del-98-gpa.pdf	2011-08-21
3	2195-del-98-form-3.pdf	2011-08-21
4	2195-del-98-form-2.pdf	2011-08-21
5	2195-del-98-form-1.pdf	2011-08-21
6	2195-del-98-description (complete).pdf	2011-08-21
7	2195-del-98-correspondence-po.pdf	2011-08-21
8	2195-del-98-correspondence-others.pdf	2011-08-21
9	2195-del-98-claims.pdf	2011-08-21
10	2195-del-98-abstract.pdf	2011-08-21