发明名称 |
Method of in vitro purging of leukemias |
摘要 |
The present invention relates to novel photoactivable rhodamine derivatives for enhancing high quantum-yield production and singlet oxygen generation upon irradiation with light while maintaining desirable differential retention of rhodamine between normal and cancer cells. Representative derivatives are 2-(4,5-dibromo-6-amino-3-imino-3H-xanthen-9-yl)-benzoic acid methyl ester hydrochloride; 2-(4, 5-dibromo-6-amino-3-imino-3H-xanthen-9-yl)-benzoic acid ethyl ester hydrochloride; 2-(4,5-dibromo-6-amino-3-imino-3H-xanthen-9-yl)-benzoic acid octyl ester hydrochloride; 2-(4,5-dibromo-6-amino-3-imino-3H-xanthen-9-yl)-benzoic acid n-butyl ester hydrochloride; 2-(6-ethyl amino-3-ethyl imino-3H-xanthen-9-yl)-benzoic acid n-butyl ester hydrochloride; and photoactivable derivatives thereof. These derivatives are utilized in an amount to achieve appropriate intracellular levels of the derivative when irradiation of a suitable wavelength and intensity is applied to photoactivate the derivative and thereby induce cell killing.
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申请公布号 |
US5773460(A) |
申请公布日期 |
1998.06.30 |
申请号 |
US19960674247 |
申请日期 |
1996.07.01 |
申请人 |
UNIVERSITE DE MONTREAL |
发明人 |
GABOURY, LOUIS;VILLENEUVE, LUC;GIASSON, RICHARD;LI, TIECHAO;GUPTA, AJAY KUMAR |
分类号 |
A61K41/00;C07D311/82;(IPC1-7):A61K31/35 |
主分类号 |
A61K41/00 |
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