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798371

Sigma-Aldrich

Exo-Phenyl Kwon [2.2.1] Bicyclic Phosphine

95% (HPLC)

Sinónimos:

(1S,4S,5R)-5-(phenyl)-2-tosyl-2-aza-5-phosphabicyclo[2.2.1]heptane

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About This Item

Fórmula empírica (notación de Hill):
C18H20NO2PS
Peso molecular:
345.40
UNSPSC Code:
12352005
PubChem Substance ID:
329768644
NACRES:
NA.22

Quality Level

100

assay

95% (HPLC)

form

powder

storage condition

under inert gas

mp

158-162 °C

storage temp.

2-8°C

SMILES string

CC1=CC=C(S(N2C[C@@]3([H])[P@](C4=CC=CC=C4)C[C@]2([H])C3)(=O)=O)C=C1

InChI

1S/C18H20NO2PS/c1-14-7-9-18(10-8-14)23(20,21)19-12-17-11-15(19)13-22(17)16-5-3-2-4-6-16/h2-10,15,17H,11-13H2,1H3

InChI key

BWXYDSDVFPJTFY-UHFFFAOYSA-N

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Categorías relacionadas

Application

The bicyclic, chiral phosphine was developed by the Kwon Research Group.Its initial applications were for asymmetric [3+2] annulation between allenes and imines as well as the first examples of phosphine-catalyzed asymmetric syntheses of 1,2,3,5-substituted pyrrolines. Along with nucleophilic organocatalysis, the P-chiral phosphines may also find utility in asymmetric transition-metal catalysis.

Other Notes

Hydroxyproline-Derived Pseudoenantiomeric [2.2.1] Bicyclic Phosphines: Asymmetric Synthesis of (+)- and (-)-Pyrrolines

Technology Spotlight- Kwon Phosphines: P-Chiral Monodentate Phosphines from Hydroxyproline

Aldrichimica Acta Review- Nucleophilic Chiral Phosphines: Powerful and Versatile Catalysts for Asymmetric Annulations

Related product

Referencia del producto
Descripción
Precios

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

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Yiting Gu et al.
Journal of the American Chemical Society, 137(19), 6400-6406 (2015-04-24)
Two classes of phosphine-catalyzed addition/cycloaddition domino reactions of β'-acetoxy allenoate 1 have been developed. The reaction of 1 with 2-acyl-3-methyl-acrylonitrile 2 readily occurs to give 2-oxabicyclo[3.3.1]nonane 3, furnishing the β'-addition/[4 + 4] cycloaddition domino sequence. In this sequence, β'C of
Ian P Andrews et al.
Chemical science, 3(8), 2510-2514 (2012-07-17)
In this study we performed the total synthesis of the terpene indole alkaloid (+)-ibophyllidine through a pathway involving asymmetric phosphine catalysis, with our novel l-4-hydroxyproline-derived chiral phosphine mediating the key [3 + 2] annulation. Hydrogenation of the [3 + 2]
Christopher E Henry et al.
Journal of the American Chemical Society, 136(34), 11890-11893 (2014-08-08)
We have prepared two new diastereoisomeric 2-aza-5-phosphabicyclo[2.2.1]heptanes from naturally occurring trans-4-hydroxy-L-proline in six chemical operations. These syntheses are concise and highly efficient, with straightforward purification. When we used these chiral phosphines as catalysts for reactions of γ-substituted allenoates with imines

Artículos

Kwon Phosphines: P-Chiral Monodentate Phosphines from Hydroxyproline

Chiral phosphines have been the staple ligands for asymmetric transition metal catalysis and more recently operate as catalysts in organic phosphinocatalysis.

Contenido relacionado

Kwon Group – Professor Product Portal

The Kwon Group has made major strides in the development and application of nucleophilic phosphinocatalysis reactions as a means to synthesize carbo- and heterocycles that serve as synthetic intermediates for both natural products and medicinally useful compounds.

Nuestro equipo de científicos tiene experiencia en todas las áreas de investigación: Ciencias de la vida, Ciencia de los materiales, Síntesis química, Cromatografía, Analítica y muchas otras.

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