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Selective CB2 receptor agonists are promising potential therapeutic agents for the treatment of inflammatory and neuropathic pain. A focused screen identified a pyrimidine ester as a partial agonist at the CB2 receptor with micromolar potency. Subsequent lead optimization identified 35, GW842166X, as the optimal compound in the series. 35 has an oral ED50… (More)
The title binaphthyls 19 and 26, which are the positional isomers of 2-methoxy-2'-(diphenylphosphino)-1,1'-binaphthyl (MOP, 19) and 2-amino-2'-hydroxy-1,1'-binaphthyl (NOBIN, 26), have been synthesized by Suzuki coupling as the key step (10 + 15-->18), followed by functional group transformations, involving C-P and C-N bond formation (18-->19 and 18-->23).… (More)
This paper reports on the elicitation of requirements for Virtual Actors in Collaborative Virtual Learning Environments (CVLEs). The methodological approach followed involves the phased development of a series of learning environments which are observed in use by parents, children and teachers. The focus of study is on the interactivity and social… (More)
SAR of a novel series of pyridazine-derived γ-secretase modulators is described. Compound 25 was found to be a potent modulator in vitro, which on further profiling, was found to decrease Aβ42 and Aβ40, and maintain the levels of total Aβ. Furthermore, 25 demonstrated excellent pharmacokinetic parameters as well as good CNS penetration in the rat.
SAR of a novel series of pyridine-derived γ-secretase modulators is described. Compound 5 was found to be a potent modulator in vitro, which on further profiling, was found to decrease Aβ42 and Aβ40, and maintain (or increase) the levels of total Aβ. Furthermore, representative compounds 1 and 5 demonstrated in vivo efficacy to lower Aβ42 in the brain… (More)
This paper argues that the development of virtual actor technology must be guided by application and end user needs. Two objectives drive the development of the '<i>Senet</i>' project described in this paper: to develop a set of design guidelines for the use of virtual actors in Collaborative Virtual Environments (CVEs) for learning, and to inform the… (More)
1. INTRODUCTION This paper describes a collaboration between human factors and technological researchers on the development of Collaborative Virtual Environment (CVE) technology based on application and end user needs. The aim of the research is to develop a framework of design factors for the use of virtual actors in CVEs, and so inform the development of… (More)
We report on the development of a series of pyrimidine carboxylic acids that are potent and selective inhibitors of kynurenine monooxygenase and competitive for kynurenine. We describe the SAR for this novel series and report on their inhibition of KMO activity in biochemical and cellular assays and their selectivity against other kynurenine pathway… (More)
A series of 3-amino-6-aryl-pyridazines have been identified as CB(2) agonists with high efficacy and selectivity against the CB(1) receptor. Details of the investigation of structure-activity relationships (SAR) are disclosed, which led to the identification of pyridazine analogue 35, a compound with high potency in an in vivo model of inflammatory pain.
We report the synthesis and SAR of a series of novel azaindole CB(2) agonists. 6-Azaindole 18 showed activity in an acute pain model but was inactive in a chronic model. 18 is a Pgp substrate with low brain penetration. The template was redesigned, and the resulting 5-azaindole 36 was a potent CB(2) agonist with high CNS penetration. This compound was… (More)