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Compositions and methods relating to novel compounds and targets thereof

a technology of novel compounds and compounds, applied in the field of new chemical compounds, can solve the problems of limiting efficacy, serious drawbacks of existing cytotoxic chemotherapeutic agents, and serious deleterious effects in the organism, and achieve the effects of inhibiting keratinocyte proliferation, reducing erk 12 activation, and increasing ros levels within the sampl

Inactive Publication Date: 2006-02-02
RGT UNIV OF MICHIGAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0050] In preferred embodiments, the applying the composition to the sample increases ROS levels within the sample. In preferred embodiments, the applying of the composition to the sample decreases Erk ½ activation within the sample. In preferred embodiments, the applying the composition to the sample inhibits keratinocyte proliferation within the sample.

Problems solved by technology

However, as shown above, flawed regulation of apoptosis can cause serious deleterious effects in the organism.
However, existing cytotoxic chemotherapeutic agents have serious drawbacks.
This lack of specificity often results in severe side effects that can limit efficacy and / or result in early mortality.
Moreover, prolonged administration of many existing cytotoxic agents results in the expression of resistance genes (e.g., bcl-2 family or multi-drug resistance (MDR) proteins) that render further dosing either less effective or useless.
Moreover, for diseases like lupus, specific molecular targets for drug development have not been identified.
In even further embodiments, the binding of the OSCP causes an increase in superoxide levels.

Method used

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  • Compositions and methods relating to novel compounds and targets thereof
  • Compositions and methods relating to novel compounds and targets thereof
  • Compositions and methods relating to novel compounds and targets thereof

Examples

Experimental program
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example 1

Preparation of Compounds

[0325] The benzodiazepine compounds are prepared using either solid-phase or soluble-phase combinatorial synthetic methods as well as on an individual basis from well-established techniques. See, for example, Boojamra, C. G. et al. (1996); Bunin, B. A., et al. (1994); Stevens, S. Y. et al., (1996); Gordon, E. M., et al., (1994); and U.S. Pat. Nos. 4,110,337 and 4,076,823, which are all incorporated by reference herein. For illustration, the following general methodologies are provided.

[0326] Preparation of 1,4-benzodiazepine-2-one Compounds

[0327] Improved solid-phase synthetic methods for the preparation of a variety of 1,4-benzodiazepine-2-one derivatives with very high overall yields have been reported in the literature. (See e.g., Bunin and Ellman, J. Am. Chem. Soc., 114:10997-10998 [1992]). Using these improved methods, the 1,4-benzodiazepine-2-ones is constructed on a solid support from three separate components: 2-aminobenzophenones, α-amino acids, a...

example 2

Chirality

[0342] It should be recognized that many of the benzodiazepines of the present invention exist as optical isomers due to chirality wherein the stereocenter is introduced by the α-amino acid and its ester starting materials. The above-described general procedure preserves the chirality of the α-amino acid or ester starting materials. In many cases, such preservation of chirality is desirable. However, when the desired optical isomer of the α-amino acid or ester starting material is unavailable or expensive, a racemic mixture is produced which is separated into the corresponding optical isomers and the desired benzodiazepine enantiomer is isolated.

[0343] For example, in the case of the 2,5-dione compounds, Boojamra, supra, discloses that complete racemization is accomplished by preequilibrating the hydrochloride salt of the enantiomerically pure α-amino ester starting material with 0.3 equivalents of i-Pr2EtN and the resin-bound aldehyde for 6 hours before the addition of N...

example 3

Reagents

[0345] Bz423 is synthesized as described above. FK506 is obtained from Fujisawa (Osaka, Japan). N-benzoylcarbonyl-Val-Ala-Asp-fluoromethylketone (z-VAD) is obtained from Enzyme Systems (Livermore, CA). Dihydroethidium (DHE) and 3,3′-dihexyloxacarbocyanine iodide (DiOC6(3)) are obtained from Molecular Probes (Eugene, Oreg.). FAM-VAD-fmk is obtained from Intergen (Purchase, NJ). Manganese(III)meso-tetrakis(4-benzoic acid)porphyrin (MnTBAP) is purchased from Alexis Biochemicals (San Diego, Calif.). Benzodiazepines is synthesized as described (See, B. A. Bunin et al., Proc. Natl. Acad. Sci. U.S.A., 91:4708-4712 [1994]). Other reagents were obtained from Sigma (St. Louis, Mo.).

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Abstract

The present invention relates to novel chemical compounds, methods for their discovery, and their therapeutic use. In particular, the present invention provides benzodiazepine derivatives and methods of using benzodiazepine derivatives as therapeutic agents to treat a number of conditions associated with the faulty regulation of the processes of programmed cell death, autoimmunity, inflammation, and hyperproliferation, and the like.

Description

[0001] This application is a Continuation in Part of U.S. patent application Ser. No. 10 / 795,535, filed Mar. 8, 2004, which is a continuation in part of U.S. patent application Ser. No. 10 / 634,114, filed Aug. 4, 2003, which is a continuation in part of U.S. patent application Ser. No. 10 / 427,211, filed May 1, 2003, which is a continuation in part of U.S. patent application Ser. No. 10 / 217,878, filed Aug. 13, 2002, which is a continuation of U.S. patent application Ser. No. 09 / 767,283, filed Jan. 22, 2001, which is a continuation of U.S. patent application Ser. No. 09 / 700,101, filed Nov. 8, 2000, which is the National entry of PCTUS00 / 11599 filed Apr. 27, 2000, which claims priority to U.S. Provisional Application Ser. No. 60 / 131,761, filed Apr. 30, 1999, to U.S. Provisional Application Ser. No. 60 / 165,511, filed Nov. 15, 1999, and to U.S. Provisional Application Ser. No. 60 / 191,855, filed Mar. 24, 2000. U.S. application Ser. No. 10 / 217,878, filed Aug. 13, 2002, also claims priority ...

Claims

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Application Information

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IPC IPC(8): A61K31/573A61K31/59A61K31/5513A61K36/11A61K31/05
CPCA61K31/05A61K31/5513A61K31/573A61K31/59A61K35/04A61K2300/00A61P17/06A61P17/12A61P43/00
Inventor GLICK, GARY D.
Owner RGT UNIV OF MICHIGAN
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