151864-82-3Relevant academic research and scientific papers
Analogues of 4-[(7-Bromo-2-methyl-4-oxo-3 H -quinazolin-6-yl)methylprop-2- ynylamino]- N -(3-pyridylmethyl)benzamide (CB-30865) as potent inhibitors of nicotinamide phosphoribosyltransferase (Nampt)
Lockman, Jeffrey W.,Murphy, Brett R.,Zigar, Daniel F.,Judd, Weston R.,Slattum, Paul M.,Gao, Zhong-Hua,Ostanin, Kirill,Green, Jeremy,McKinnon, Rena,Terry-Lorenzo, Ryan T.,Fleischer, Tracey C.,Boniface, J. Jay,Shenderovich, Mark,Willardsen, J. Adam
experimental part, p. 8734 - 8746 (2011/02/23)
We have shown previously that the target of the potent cytotoxic agent 4-[(7-bromo-2-methyl-4-oxo-3H-quinazolin-6-yl)methyl-prop-2-ynylamino] -N-(3-pyridylmethyl)benzamide (CB38065, 1) is nicotinamide phosphoribosyltransferase (Nampt). With its cellular target known we sought to optimize the biochemical and cellular Nampt activity of 1 as well as its cytotoxicity. It was found that a 3-pyridylmethylamide substituent in the A region was critical to cellular Nampt activity and cytotoxicity, although other aromatic substitution did yield compounds with submicromolar enzymatic inhibition. Small unsaturated groups worked best in the D-region of the molecule, with 3,3-dimethylallyl providing optimal potency. The E region required a quinazolin-4-one or 1,2,3-benzotriazin-4-one group for activity, and many substituents were tolerated at C2 of the quinazolin-4-one. The best compounds showed subnanomolar inhibition of Nampt and low nanomolar cytotoxicity in cellular assays.
NEW CLASSICAL ANTIFOLATES
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Page/Page column 55, (2008/12/07)
The present invention is directed to antifolate compounds having the structure of formula (I). wherein: X is CHR9 or NR9; Y1, Y2, and Y3 independently are O or S; V1 and V2 independently are O, S, or NZ; Z is H, optionally substituted alkyl, optionally su
Imidazole compounds
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Page column 15, (2008/06/13)
Imidazole compounds having adenosine deaminase inhibitory activity represented by formula (I) wherein R1is hydrogen, hydroxy, protected hydroxy, or aryl optionally substituted with suitable substituent(s); R2is hydrogen or lower alkyl; R3is hydroxy or protected hydroxy; R4is cyano, (hydroxy)iminoamino(lower)alkyl, carboxy, protected carboxy, heterocyclic group optionally substituted with amino, or carbamoyl optionally substituted with suitable substituent(s); and —A— is —Q— or —O—Q—, wherein Q is single bond or lower alkylene, provided that when R2is lower alkyl, then R1is hydroxy, protected hydroxy, or aryl optionally substituted with suitable substituent(s), its prodrug, or their salt. The compounds are useful for treating and/or preventing diseases for which adenosine is effective.
A one-step ring transformation/ring annulation approach to pyrrolo[2,3-d]pyrimidines. A new synthesis of the potent DHFR inhibitor TNP-351
Taylor,Patel,Jun
, p. 6684 - 6687 (2007/10/03)
Condensation of amidines with 2-amino-3-cyanofurans gives 2-substituted-4-aminopyrrolo[2,3-d]pyrimidines by a ring-opening, ring-recyclization sequence of reactions through which the starting furan 2-amino nitrogen becomes the pyrrole nitrogen of the final product and one of the amidine nitrogens becomes N-1 of the fused pyrimidine ring. 2,4-Diamino-5-[2-(4-carbethoxyphenyl)ethyl]pyrrolo[2,3-d]pyrimidine, a key intermediate in the synthesis of the DHFR inhibitor TNP-351, has been prepared in one step by reaction of ethyl 4-[2-(2-amino-3-cyanofuran-4-yl)ethyl]benzoate with guanidine.
Process for the preparation of pyrrolo[2,3-d]pyrimidines
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, (2008/06/13)
5-Substituted pyrrolo[2,3-d]pyrimidines are prepared from a nucleophile of the formula R2 -C(=NH)NH2 and a 2-amino-5-substituted-furan carrying a cyano or carboxy group in the 4-position. A typical example is the preparation of ethyl
