Publication number: 20050043244
Abstract: The present invention relates to compounds according to the structure (I): Where R is —CH3 or —CH2CH2Cl; R? is C1-C7 alkyl or —CH2CH2Cl; R2 or R4 is OP03H2, N02, OCO(Glu-OH), NHCO(Glu-OH), NHR7 and unassigned groups of R2, R3, R4, R5 and R6 are, independently, H, F, Cl, Br, I, OH, OP03H2, OCH3, CF3, OCF3, NO2, CN, SO2CH3, SO2CF3, COCH3, COOCH3, SCH3, SFs, NH2, NHR7, N(CH3)2, OPO3H2, or a C1-C7 alkyl group with the proviso that when any two of unassigned groups of R2, R3, R4, R5 or R6 are other than H, the other two of unassigned groups of R2, R3, R4, R5 or R6 are H. R7 is H or polyglutamyl as described. Phosphoric acid and glutamic acid can be a free acid or pharmaceutically acceptable salt thereof.
Type:
Application
Filed:
September 27, 2004
Publication date:
February 24, 2005
Applicant:
VION PHARMACEUTICALS, INC.
Inventors:
Xu Lin, Terrence Doyle, Ivan King
Patent number: 6855695
Abstract: The present invention relates to compounds according to the structure (I): Where R is —CH3 or —CH2CH2Cl; R? is C1-C7 alkyl or —CH2CH2Cl; R2 or R4 is OPO3H2, NO2, OCO(Glu-OH), NHCO(Glu-OH), NHR7 and unassigned groups of R2, R3, R4, R5 and R6 are, independently H, F, Cl, Br, I, OH, OPO3H2, OCH3, CF3, OCF3, NO2, CN, SO2CH3, SO2CF3, COCH3, COOCH3, SCH3, SF5, NH2, NHR7, N(CH3)2, OPO3H2, or a C1-C7 alkyl group with the proviso that when any two of unassigned groups of R2, R3, R4, R5 or R6 are other than H, the other two of unassigned groups of R2, R3, R4, R5 or R6 are H. R7 is H or polyglutamyl as described. Phosphoric acid and glutamic acid can be a free acid or pharmaceutically acceptable salt thereof.
Type:
Grant
Filed:
June 13, 2003
Date of Patent:
February 15, 2005
Assignee:
Vion Pharmaceuticals, Inc.
Inventors:
Xu Lin, Terrence W. Doyle, Ivan King
Patent number: 6458816
Abstract: The present invention relates to compounds according to the structure:
Where
R is H or CH3;
R2 is phosphate which can be free acid or salt;
R3 is H, F, Cl, Br, I, OCH3, OCF3 , CF3 or a C1-C3 alkyl group;
R4 is H, F, Cl, Br, I, OCH3, OCF3 or CF3; and
R5 and R6 are each independently H, F, Cl, Br, I, OCH3, OCF3 or CF3, with the proviso that when any two of R3, R4, R5 or R6 are other than H, the other two of R3, R4, R5 or R6 are H which may be used to treat neoplasia, including cancer.
Type:
Grant
Filed:
October 15, 2001
Date of Patent:
October 1, 2002
Assignee:
Vion Pharmaceuticals, Inc.
Inventors:
Terrence W. Doyle, Srinivasa Karra, Zujin Li, Xu Lin, John Mao, Qi Qiao, Yang Xu