Patent number: 11932654
Abstract: The present invention relates to nimbolide analogs useful as anti-cancer agents and preparation thereof. Particularly the present invention relates to nimbolide analogs of general formula I. wherein, ring M is any ring selected from the group consisting of substituted or unsubstituted aryl, heteroaryl, cycloalkyl and heterocyclic; A and B are selected from the group consisting of C, O, N, S and H; R1, R2, R3, R4, R5 and R6 are selected from the group consisting of C1-C6 alkyl, aryl, heteroaryl, C1-C7 cycloalkyl, heteroalkyl, hydrogen, hydroxy, alkoxy, nitro, halogen, amino, alkylamino, aryl amino and cyano; wherein each of these groups may be further substituted with one or more substituents selected from the group consisting of hydrogen, hydroxy, halogen, cyano, alkyl amino, aryl amino, alkoxy, amino, nitro, aldehyde, carboxylic acid and ester.
Type:
Grant
Filed:
February 9, 2021
Date of Patent:
March 19, 2024
Assignee:
Council of Scientific & Industrial Research
Inventors:
Srivari Chandrasekhar, Prathama Satyendra Mainkar, Karre Nagaraju, Togapur Pavan Kumar, Ummanni Ramesh, Kanchanapally Tejaswini, Jerald Mahesh Kumar, Katragadda Suresh Babu, Boggavarapu Subrahmanya Sastry, Debabrata Mukhopadhyay
Patent number: 11306100
Abstract: The present invention provides a compound of general formulae I useful as GSK3? inhibitors and their anticancer potential and process for preparation of these spirooxindoles. wherein Z is hydrogen, halogen, hydroxy, alkoxy, cyano, nitro; Ring A is a five membered or six membered or seven membered optionally containing additional hetero atom in the ring X is optionally CH2 Ring B is triazole or cyclic amine alone or with one or more hetero atoms part of the ring and optionally substituted with one or more substituents Y is hydrogen, alkoxy, aryloxy, hydroxy, ester, amide, amino, alkyl or aryl, heteroaryl, wherein these substituents are optionally substituted with one or more halogen, hydroxy, alkoxy, alkyl, aryl, heteroaryl, aryloxy, nitro, cyano, ester, aldehyde, wherein these substituents are further substituted with one or more halogen, hydroxy, alkoxy, alkyl, aryl, heteroaryl, aryloxy, nitro, cyano, ester, aldehyde.
Type:
Grant
Filed:
March 9, 2018
Date of Patent:
April 19, 2022
Inventors:
Prathama S. Mainkar, Mohammad Abdul Sattar, Pitchakuntla Mallesham, Togapur Pavan Kumar, Divya Duscharla, Ummanni Ramesh, Srivari Chandrasekhar
Publication number: 20210284650
Abstract: The present invention provides a compound of general formulae I useful as GSK3? inhibitors and their anticancer potential and process for preparation of these spirooxindoles. wherein Z is hydrogen, halogen, hydroxy, alkoxy, cyano, nitro; Ring A is a five membered or six membered or seven membered optionally containing additional hetero atom in the ring X is optionally CH2 Ring B is triazole or cyclic amine alone or with one or more hetero atoms part of the ring and optionally substituted with one or more substituents Y is hydrogen, alkoxy, aryloxy, hydroxy, ester, amide, amino, alkyl or aryl, heteroaryl, wherein these substituents are optionally substituted with one or more halogen, hydroxy, alkoxy, alkyl, aryl, heteroaryl, aryloxy, nitro, cyano, ester, aldehyde, wherein these substituents are further substituted with one or more halogen, hydroxy, alkoxy, alkyl, aryl, heteroaryl, aryloxy, nitro, cyano, ester, aldehyde.
Type:
Application
Filed:
March 9, 2018
Publication date:
September 16, 2021
Inventors:
Prathama S. MAINKAR, Mohammad Abdul SATTAR, Pitchakuntla MALLESHAM, Togapur Pavan KUMAR, Divya DUSCHARLA, Ummanni RAMESH, Srivari CHANDRASEKHAR
Publication number: 20210171538
Abstract: The present invention relates to nimbolide analogs useful as anti-cancer agents and preparation thereof. Particularly the present invention relates to nimbolide analogs of general formula I. wherein, ring M is any ring selected from the group consisting of substituted or unsubstituted aryl, heteroaryl, cycloalkyl and heterocyclic; A and B are selected from the group consisting of C, O, N, S and H; R1, R2, R3, R4, R5 and R6 are selected from the group consisting of C1-C6 alkyl, aryl, heteroaryl, C1-C7 cycloalkyl, heteroalkyl, hydrogen, hydroxy, alkoxy, nitro, halogen, amino, alkylamino, aryl amino and cyano; wherein each of these groups may be further substituted with one or more substituents selected from the group consisting of hydrogen, hydroxy, halogen, cyano, alkyl amino, aryl amino, alkoxy, amino, nitro, aldehyde, carboxylic acid and ester.
Type:
Application
Filed:
February 9, 2021
Publication date:
June 10, 2021
Applicant:
Council of Scientific & Industrial Research
Inventors:
Srivari Chandrasekhar, Prathama Satyendra Mainkar, Karre Nagaraju, Togapur Pavan Kumar, Ummanni Ramesh, Kanchanapally Tejaswini, Jerald Mahesh Kumar, Katragadda Suresh Babu, Boggavarapu Subrahmanya Sastry, Debabrata Mukhopadhyay
Patent number: 10947249
Abstract: The present invention relates to nimbolide analogs useful as anti-cancer agents and preparation thereof. Particularly the present invention relates to nimbolide analogs of general formula I. wherein, ring M is any ring selected from the group consisting of substituted or unsubstituted aryl, heteroaryl, cycloalkyl and heterocyclic; A and B are selected from the group consisting of C, O, N, S and H; R1, R2, R3, R4, R5 and R6 are selected from the group consisting of C1-C6 alkyl, aryl, heteroaryl, C1-C7 cycloalkyl, heteroalkyl, hydrogen, hydroxy, alkoxy, nitro, halogen, amino, alkylamino, aryl amino and cyano; wherein each of these groups may be further substituted with one or more substituents selected from the group consisting of hydrogen, hydroxy, halogen, cyano, alkyl amino, aryl amino, alkoxy, amino, nitro, aldehyde, carboxylic acid and ester.
Type:
Grant
Filed:
October 26, 2018
Date of Patent:
March 16, 2021
Inventors:
Srivari Chandrasekhar, Prathama Satyendra Mainkar, Karre Nagaraju, Togapur Pavan Kumar, Ummanni Ramesh, Kanchanapally Tejaswini, Jerald Mahesh Kumar, Katragadda Suresh Babu, Boggavarapu Subrahmanya Sastry, Debabrata Mukhopadhyay
Publication number: 20190211027
Abstract: The present invention relates to nimbolide analogs useful as anti-cancer agents and preparation thereof. Particularly the present invention relates to nimbolide analogs of general formula I. wherein, ring M is any ring selected from the group consisting of substituted or unsubstituted aryl, heteroaryl, cycloalkyl and heterocyclic; A and B are selected from the group consisting of C, O, N, S and H; R1, R2, R3, R4, R5 and R6 are selected from the group consisting of C1-C6 alkyl, aryl, heteroaryl, C1-C7 cycloalkyl, heteroalkyl, hydrogen, hydroxy, alkoxy, nitro, halogen, amino, alkylamino, aryl amino and cyano; wherein each of these groups may be further substituted with one or more substituents selected from the group consisting of hydrogen, hydroxy, halogen, cyano, alkyl amino, aryl amino, alkoxy, amino, nitro, aldehyde, carboxylic acid and ester.
Type:
Application
Filed:
October 26, 2018
Publication date:
July 11, 2019
Applicant:
Council of Scientific & Industrial Research
Inventors:
Srivari Chandrasekhar, Prathama Satyendra Mainkar, Karre Nagaraju, Togapur Pavan Kumar, Ummanni Ramesh, Kanchanapally Tejaswini, Jerald Mahesh Kumar, Katragadda Suresh Babu, Boggavarapu Subrahmanya Sastry, Debabrata Mukhopadhyay