2005
DOI: 10.1016/j.tetasy.2005.04.014
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A bicyclo[3.1.1]heptano[4,3-c]pyrazole derived chiral auxiliary for dipolar cycloadditions

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Cited by 23 publications
(10 citation statements)
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“…[ 13 ] Additionally, they act as liquid crystals, [ 14 ] semiconductors, [ 15 ] and organic light‐emitting diodes. [ 16 ] Pyrazole and its analogs have also received considerable attention because of their synthetic application as chiral auxiliaries, [ 17 ] reagents in various multicomponent reactions, [ 18 ] and guanylating agents. [ 19 ] From the literature survey, it has also revealed that substituted pyrazoles are also utilized as chelating agents for the detoxification of undesired metal ions.…”
Section: Introductionmentioning
confidence: 99%
“…[ 13 ] Additionally, they act as liquid crystals, [ 14 ] semiconductors, [ 15 ] and organic light‐emitting diodes. [ 16 ] Pyrazole and its analogs have also received considerable attention because of their synthetic application as chiral auxiliaries, [ 17 ] reagents in various multicomponent reactions, [ 18 ] and guanylating agents. [ 19 ] From the literature survey, it has also revealed that substituted pyrazoles are also utilized as chelating agents for the detoxification of undesired metal ions.…”
Section: Introductionmentioning
confidence: 99%
“…Some of the pyrazole derivatives have significant applications in material liquid crystals39 and electroluminescence40 properties. Besides, pyrazole rings not only used as synthetic reagents in multicomponent reactions41 and chiral auxiliaries,42 butit is also used as extraction reagents for many metal ions 43. In addition, some different companies successfully developed many pyrazole derivatives.…”
Section: Introductionmentioning
confidence: 99%
“…152-154°C; R f = 0.21 (hexane/EtOAc, 90 : 10, v/v); IR (neat): ν max (cm À 1 ) = 764 (CÀ S); 1 H NMR (500 MHz, CDCl 3 ): δ = 7.02-7.05 (m, 2 H, ArH), 7.24-7.25 (m, 1 H, ArH), 7.26-7.27 (m, 1 H, ArH), 7.37-7.43 (m, 7 H, ArH), 7.49-7.52 (m, 1 H, ArH), 7.93 (d, J = 7.9 Hz, 1 H, ArH), 8.10 (d, J = 8.1 Hz, 1 H, ArH) ppm; 13 C NMR (125 MHz, CDCl 3 ): δ = 106. 6,115.9 (d,J = 22.5 Hz),121.9,123.2,125.4,125.6,126.0,(d,J = 2.52 Hz),126.3,128.4,129.1 (d,J = 69.3 Hz),129.2,130.7 (d,J = 8.8 Hz),134.9,139.5,144.2,147.5,153.8,161.8,162.9 40.0, 105.9, 121.6, 123.7, 125.9, 126.7, 126.9, 129.0, 131.2, 133.8, 134.6, 137.0, 149.5, 153.9, 156.9 Ethyl 4-(benzo[d]thiazol-2-yl)-1-phenyl-1H-pyrazole-3-carboxylate (10D). Yield: 90% (0.172 g from 0.15 g) as a white solid; m.p.…”
Section: -(5-(4-fluorophenyl)-1-phenyl-1h-pyrazol-3-yl)benzo[d]thiazmentioning
confidence: 99%
“…[3] Relevance of this observation can be described due to their notable synthetic operations, favorable chemical characteristics and multiple reactive sites in pyrazole building blocks. [4] The pyrazole derivatives exhibit potential pharmacological properties [5] and application as chiral auxiliaries, [6] synthetic reagents in multicomponent reactions, [7] guanylating agents, [8] and chelating agents for several metal ions. [9] The pyrazole framework has also displayed enormous scope in smart materials and chemosensors due to its fluorescence properties.…”
Section: Introductionmentioning
confidence: 99%