- Design, synthesis, and biological evaluation of 1,2,4-oxadiazole-containing pyrazolo[3,4-b]pyridinones as a new series of AMPKɑ1β1γ1 activators
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Adenosine monophosphate-activated protein kinase (AMPK) plays a key role in maintaining whole-body homeostasis and has been regarded as a therapeutic target for the treatment of diabetic nephropathy (DN). Herein, a series of 1,2,4-oxadiazole-containing py
- Xiao, Zhihong,Peng, Yajun,Zheng, Bifeng,Chang, Qi,Guo, Yating,Chen, Zhuo,Li, Qianbin,Hu, Gaoyun
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- SO2F2-Mediated one-pot cascade process for transformation of aldehydes (RCHO) to cyanamides (RNHCN)
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A simple, mild and practical cascade process for the direct conversion of aldehydes to cyanamides was developed featuring a wide substrate scope and great functional group tolerability. This method allows for transformations of readily available, inexpensive, and abundant aldehydes to highly valuable cyanamides in a pot, atom, and step-economical manner with a green nitrogen source. This protocol will serve as a robust tool for the installation of the cyanamide moiety in various complicated molecules.
- Ding, Chengrong,Ge, Shuting,Wei, Junjie,Zhang, Guofu,Zhao, Yiyong
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p. 17288 - 17292
(2020/05/18)
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- 1,2,4-Oxadiazole ring–containing pyridylpyrazole-4-carboxamides: Synthesis and evaluation as novel insecticides of the anthranilic diamide family
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Herein, we describe the preparation of pyridylpyrazole-4-carboxamides containing a 1,2,4-oxadiazole ring as novel anthranilic diamide derivatives and compare their insecticidal activities to that of chlorantraniliprole, a well-established potent insectici
- Khallaf, Abdalla,Liu, Hui,Wang, Ping,Zhu, Hongjun,Zhuo, Shuping
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supporting information
(2020/02/18)
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- A cascade process for directly converting nitriles (RCN) to cyanamides (RNHCN) via SO2F2-activated Tiemann rearrangement
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A simple, mild and practical process for the direct conversion of nitriles to cyanamides was newly discovered and exhibited a wide substrate scope as well as great functional group-tolerability (36 examples). In this efficient strategy, the in situ generated amidoximes obtained from the reaction of nitriles with hydroxylamine subsequently underwent Tiemann rearrangement, producing the corresponding cyanamides with great isolated yields under SO2F2. Additionally, the control experiments reportedly shed light on the tentative mechanism involved in the formation and elimination of the key intermediate: a sulfonyl ester.
- Zhang, Guofu,Zhao, Yiyong,Ding, Chengrong
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supporting information
p. 7684 - 7688
(2019/08/30)
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- COMPOUNDS HAVING AN ETHR INHIBITING ACTIVITY - USE OF SAID COMPOUNDS AS DRUGS - PHARMACEUTICAL COMPOSITION AND PRODUCT CONTAINING SAID COMPOUNDS
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The present invention relates to compounds of Formula (I), wherein R1 is chosen among the following radicals : (II); (III); (IV), (V), (VI) (VII) and n= 1 or 2 and m=1 or 2 with the proviso that m=2 when R1 is (VIII). The present invention also relates to the use thereof as drugs, more particularly in the treatment of mycobacterial infections and more particularly in the treatment of tuberculosis.
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Page/Page column 10
(2013/05/21)
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- Ethionamide boosters. 2. Combining bioisosteric replacement and structure-based drug design to solve pharmacokinetic issues in a series of potent 1,2,4-oxadiazole EthR inhibitors
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Mycobacterial transcriptional repressor EthR controls the expression of EthA, the bacterial monooxygenase activating ethionamide, and is thus largely responsible for the low sensitivity of the human pathogen Mycobacterium tuberculosis to this antibiotic.
- Flipo, Marion,Desroses, Matthieu,Lecat-Guillet, Nathalie,Villemagne, Baptiste,Blondiaux, Nicolas,Leroux, Florence,Piveteau, Catherine,Mathys, Vanessa,Flament, Marie-Pierre,Siepmann, Juergen,Villeret, Vincent,Wohlk?nig, Alexandre,Wintjens, René,Soror, Sameh H.,Christophe, Thierry,Jeon, Hee Kyoung,Locht, Camille,Brodin, Priscille,Déprez, Benoit,Baulard, Alain R.,Willand, Nicolas
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experimental part
p. 68 - 83
(2012/03/10)
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- Novel 1,3-dipropyl-8-(1-heteroarylmethyl-1H-pyrazol-4-yl)-xanthine derivatives as high affinity and selective A2B adenosine receptor antagonists
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A series of new 1,3-dipropyl-8-(1-heteroarylmethyl-1H-pyrazol-4-yl)- xanthine derivatives as A2B-AdoR antagonists have been synthesized and evaluated for their binding affinities for the A2B, A 1, A2A, and A3-AdoRs. 8-(1-((3-phenyl-1,2,4- oxadiazol-5-yl)methyl)-1H-pyrazol-4-yl)-1,3-dipropyl-1H-purine-2,6(3H,7H)-dione (4) displayed high affinity (Ki = 1 nM) and selectivity for the A2B-AdoR versus A1, A2A, and A 3-AdoRs (A1/A2B, A2A/A2B, and A3/A2B selectivity ratios of 370, 1100, and 480, respectively). The synthesis and SAR of this novel class of compounds are presented herein.
- Elzein, Elfatih,Kalla, Rao,Li, Xiaofen,Perry, Thao,Parkhill, Eric,Palle, Venkata,Varkhedkar, Vaibahv,Gimbel, Art,Zeng, Dewan,Lustig, David,Leung, Kwan,Zablocki, Jeff
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p. 302 - 306
(2007/10/03)
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- NOVEL ALKYNYL DERIVATIVES AS MODULATORS OF METABOTROPIC GLUTAMATE RECEPTORS
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The present invention relates to novel compounds of formula (I) wherein W, n, X and W’ are defined in the description; invention compounds are modulators of metabotropic glutamate receptors - subtype 5 (“mGluR5”) which are useful for the treatment of central nervous system disorders as well as other disorders modulated by mGluR5 receptors.
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Page/Page column 115
(2008/06/13)
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