摘要:
Substituted analogues of camptothecin possessing cytotoxic activity towards cancer cells, of the general structure: ##STR1## wherein E is H, CO.sub.2 R, CONH.sub.2, CONHR, CONR.sub.2, acyl, or CN; X is H, OH, or OR; R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently the same or different and are H, or a linear or branched chain alkyl, alkylaryl, or hydroxyalkyl group, or an aryl group; R.sup.5, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 are independently the same or different and are H, or a linear or branched chain alkyl, alkylaryl, alkoxy, hydroxyalkyl, or aminoalkoxy group, or an aryl or aryloxy group, or a C-glycal, or CO.sub.2 R, nitro, cyano, Cl, F, Br, I, SR.sup.10, NR.sup.11 R.sup.12, OR.sup.13 ; R is H, or a linear or branched chain alkyl, alkylaryl, or hydroxyalkyl group, or an aryl group; R.sup.10, R.sup.11 and R.sup.12 are independently the same or different and are H, or a linear or branched chain alkyl, alkylaryl, hydroxyalkyl, or acyl group, or an aryl group; R.sup.13 is glycosyl; n is 0 or 1; with the proviso that when R.sup.1 is ethyl, and n is 0, E, R.sup.2, R.sup.3, and R.sup.4 are not all H. Intermediate compounds leading to the camptothecin analogues comprise substituted tricyclic compounds which consist of rings C, D, and E fused together. Methods for preparing the analogues involve condensation of such intermediates with variably substituted protected .alpha.-aminobenzaldehydes.
摘要翻译:具有一般结构的具有对癌细胞的细胞毒性活性的喜树碱的取代类似物:其中E是H,CO 2 R,CONH 2,CONHR,CONR 2,酰基或CN; X是H,OH或OR; R 1,R 2,R 3和R 4独立地相同或不同,为H,或直链或支链烷基,烷基芳基或羟烷基或芳基; R 5,R 6,R 7,R 8和R 9独立地相同或不同,为H,或直链或支链烷基,烷基芳基,烷氧基,羟基烷基或氨基烷氧基,或芳基或芳氧基或C- ,或CO 2 R,硝基,氰基,Cl,F,Br,I,SR10,NR 11 R 12,OR 13; R为H或直链或支链烷基,烷基芳基或羟烷基或芳基; R 10,R 11和R 12独立地相同或不同,为H,或直链或支链烷基,烷基芳基,羟基烷基或酰基或芳基; R13是糖基; n为0或1; 条件是当R 1为乙基且n为0时,E,R 2,R 3和R 4不全为H.导致喜树碱类似物的中间体化合物包含由稠合在一起的环C,D和E组成的取代的三环化合物 。 制备类似物的方法涉及这种中间体与可变取代的被保护的α-氨基苯甲醛的缩合。
摘要:
Substituted analoguss of camptothecin possessing cytotoxic activity towards cancer cells, of the general structure: ##STR1## wherein E is H, CO.sub.2 R, CONH.sub.2, CONHR, CONR.sub.2, acyl, or CN; X is H OH, or OR; R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently the same or different and are H, or a linear or branched chain alkyl, alkylaryl, or hydroxyalkyl group, or an aryl group; R.sup.5, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 are independently the same or different and are H, or a linear or branched chain alkyl, alkylaryl, alkoxy, hydroxyalkyl, or aminoalkoxy group, or an aryl or aryloxy group, or a C-glycal, or CO.sub.2 R, nitro, cyano, Cl, F, Br, I, SR.sup.10, NR.sup.11 R.sup.12, or OR.sup.13 ; R is H, or a linear or branched chain alkyl, alkylaryl, or hydroxyalkyl group, or an aryl group; R.sup.10, R.sup.11 and R.sup.12 are independently the same or different and are H, or a linear or branched chain alkyl, alkylaryl, hydroxyalkyl, or acyl group, or an aryl group; R.sup.13 is glycosyl; n is 0 or 1; with the proviso that when R.sup. 1 is ethyl, and n is 0, E, R.sup.2, R.sup.3, and R.sup.4 are not all H. Intermediate compounds leading to the camptothecin analogues comprise substituted tricyclic compounds which consist of rings C, D, and E fused together. Methods for preparing the analoguss involve condensation of such intermediates with variably substituted protected .alpha.-aminobenzaldehydes.
摘要翻译:具有一般结构的具有对癌细胞的细胞毒性活性的喜树碱的取代类似物:其中E是H,CO 2 R,CONH 2,CONHR,CONR 2,酰基或CN; X是H OH或OR; R 1,R 2,R 3和R 4独立地相同或不同,为H,或直链或支链烷基,烷基芳基或羟烷基或芳基; R 5,R 6,R 7,R 8和R 9独立地相同或不同,为H,或直链或支链烷基,烷基芳基,烷氧基,羟基烷基或氨基烷氧基,或芳基或芳氧基或C- ,或CO 2 R,硝基,氰基,Cl,F,Br,I,SR10,NR 11 R 12或OR 13; R为H或直链或支链烷基,烷基芳基或羟烷基或芳基; R 10,R 11和R 12独立地相同或不同,为H,或直链或支链烷基,烷基芳基,羟基烷基或酰基或芳基; R13是糖基; n为0或1; 条件是当R 1为乙基且n为0时,E,R 2,R 3和R 4不全为H.导致喜树碱类似物的中间体化合物包括取代的三环化合物,其由环C,D和E稠合 一起。 制备类似物的方法涉及这种中间体与可变取代的保护的α-氨基苯甲醛的缩合。
摘要:
Substituted analogues of camptothecin possessing cytotoxic activity towards cancer cells, of the general structure: ##STR1## wherein E is H, CO.sub.2 R, CONH.sub.2, CONHR, CONR.sub.2, acyl, or CN; X is H, OH, or OR; R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently the same or different and are H, linear or branched alkyl, linear or branched alkylaryl, hydroxyalkyl, or aryl; R.sup.5, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 are independently the same or different and are H, linear or branched alkyl, linear or branched alkylaryl, aryl, CO.sub.2 R, alkoxy, aryloxy, hydroxyalkyl, C-glycal, nitro, cyano, aminoalkoxy, Cl, F, Br, I, SR.sup.10, NR.sup.11 R.sup.12, or OR.sup.13 ; R is H, alkyl, aryl, alkylaryl, hydroxyalkyl, or hydroxyalkyl; R.sup.10, R.sup.11 and R.sup.12 are independently the same or different and are H, alkyl, aryl, alkylaryl, hydroxyalkyl, or acyl; R.sup.13 is glycosyl; n is 0 or 1; with the proviso that when R.sup.1 is ethyl, and n is 0, E, R.sup.2, R.sup.3, and R.sup.4 are not all H. Intermediate compounds leading to the camptothecin analogues comprise substituted tricyclic compounds which consist of rings C, D, and E fused together. Methods for preparing the analogues involve condensation of such intermediates with variably substituted protected .alpha.-aminobenzaldehydes.
摘要:
The present invention provides two basic routes for the total synthesis of taxol having the structure: ##STR1## The present invention also provides the intermediates produced in the above processes, processes for synthesizing these intermediates as well as analogs to taxol. Both the intermediates and analogs to taxol may prove to be valuable anticancer agents.
摘要:
The present invention provides two basic routes for the total synthesis of taxol having the structure: ##STR1## The present invention also provides the intermediates produced in the above processes, processes for synthesizing these intermediates as well as analogs to taxol. Both the intermediates and analogs to taxol may prove to be valuable anticancer agents.
摘要:
The present invention provides three basic routes for the total synthesis of taxol having the structure: ##STR1## The present invention also provides the intermediates produced in the above processes, processes for synthesizing these intermediates as well as analogues of taxol and nortaxol.
摘要:
In one aspect, the present invention provides a method for treating colon and/or ovarian cancer in a subject comprising administering to a subject in need thereof a compound of general formula (I): wherein R1-R6, R, -R, Q, Y1, Y2 and n are as defined herein, wherein the compound is present in an amount effective to inhibit colon and/or ovarian tumor metastasis.
摘要:
The present invention provides compounds of Formula (I), compositions comprising an effective amount of a compound of Formula (I), optionally with chemotherapeutic drugs such as a tubulin-binding drug, and methods of their use for reducing the toxicity of cytotoxic agents, treating or preventing cancer or a neuropathic disorder, inducing a chemoprotective phase II enzyme, DNA, or protein synthesis, enhancing the immune system, treating inflammation, improving and enhancing general health or well-being, and methods for making compounds of Formula (I).
摘要:
The present invention provides compounds of formula (I): as described generally and in classes and subclasses herein. The present invention additionally provides pharmaceutical compositions comprising compounds of formula (I) and provides methods of treating cancer comprising administering a compound of formula (I).
摘要:
Glycopeptide conjugates comprising GM2 and/or Gb5 carbohydrate determinants, and methods of making and using such conjugates are disclosed. The immunogenicity of select glycopeptide conjugates is demonstrated.