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Centered Discretization with Application to Graphical Passwords
Discretization is used in click-based graphical passwords so that approximately correct entries can be accepted by the system. We show that the existing discretization scheme of Birget et al. (2006)Expand
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Centered discretization with application to graphical passwords (full paper)
Discretization is used in click-based graphical passwords so that approximately correct entries can be accepted by the system. We show that the existing discretization scheme of Birget et al. (2006)Expand
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An efficient protocol for the synthesis of benzoheterocyclic compounds via solid-state melt reaction (SSMR)
Abstract An efficient protocol for the synthesis of biologically active benzoheterocyclic compounds such as benzothiazoles, benzimidazoles, benzospirothiazoles, and quinoxaline scaffolds have beenExpand
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A Simple and Direct Synthesis of 3-Methylene-1, 4-diarylazetidin-2-ones and (E)-3-Arylidene-1-phenylazetidin-2-ones Using Baylis–Hillman Derivatives
Herein we describe a direct method, promoted by potassium tert-butoxide (KOtBu), for the synthesis of highly substituted α-methylene β-lactams and α-arylidene β-lactams from the amino esterExpand
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A facile synthesis of isoxazolo[3,4-a]pyrrolizine and isoxazolo[4,3-c]pyridine derivatives via intramolecular nitrone cycloaddition reaction
A facile and efficient protocol for the construction of isoxazolo[3,4-a]pyrrolizine and isoxazolo[4,3-c]pyridine derivatives through in situ formation of nitrone ylide followed by an intramolecularExpand
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First Synthesis of Bis(di(indolyl)aryl)methanes From Bis(salicylaldehydes)
In this article, a simple method for the synthesis of bis(di(indolyl)aryl)methanes is described. The iodine-catalyzed (5 mol %) reaction of indoles with various bis(salicylaldehyde) derivativesExpand
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Crystal Structure Analysis of 3-(4-ethylphenyl)-3H-chromeno[4,3-c]isoxazole-3a(4H)-carbonitrile
AbstractThe crystal structure of the potential active 3-(4-ethylphenyl)-3H-chromeno[4,3-c]isoxazole-3a(4H)-carbonitrile(C 19 H 16 N 2 O 2 ) has been determined from single crystal X-ray diffractionExpand
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Highly Regio‐ and Diastereo‐Selective Synthesis of Novel Tri‐ and Tetra‐Cyclic Perhydroquinoline Architectures via an Intramolecular [3 + 2] Cycloaddition Reaction.
The title compounds are efficiently and highly stereoselectively obtained via in situ formation of azomethine ylides followed by an intramolecular [3+2] cycloaddition reaction.