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Temporal Pooling (TP) is a recent technique for processing temporal events by forming declarative representations of the complete sequences. In this paper, we examine and extend the functionality of the existing TP algorithm from the Hierarchical Temporal Memory (HTM) framework and introduce the Self-Organising Temporal Pooling (SOTP) architecture. The SOTP draws together the Merge Self-Organising...
The stereocontrolled synthesis of neodysiherbaine from diacetyl-l-arabinal is described. Key steps in the synthesis include the use of an asymmetric phase-transfer catalyzed glycine imine alkylation to introduce the α-amino acid function, and the RuO 4 -mediated oxidative cyclization of a 1,5-diene to generate the 2,7-dioxabicyclo[4.3.0]nonane ring system.
In this paper we describe a simple and efficient approach to N-glycopeptide analogues that incorporate a ketomethylene unit in place of a native amide link. Key C C bond forming steps involve the stereocontrolled addition of a functionalised allylsilane to activated sugar derivatives and the asymmetric phase-transfer alkylation of a glycine imine. Utility of this chemistry is demonstrated by the...
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