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392723 Aldrich

(DHQ)2PHAL

≥95%

Synonym: Hydroquinine 1,4-phthalazinediyl diether

  • CAS Number 140924-50-1

  • Empirical Formula (Hill Notation) C48H54N6O4

  • Molecular Weight 778.98

  •  Beilstein Registry Number 5475677

  •  MDL number MFCD00191975

  •  PubChem Substance ID 24864480

  • Popular Documents:  FTIR (PDF)  

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Properties

Related Categories Asymmetric Synthesis, Chemical Synthesis, Chiral Catalysts, Ligands, and Reagents, Cinchona Alkaloids, Dihydroxylation,
InChI Key   YUCBLVFHJWOYDN-PPIALRKJSA-N
assay   ≥95%
optical activity   [α]22/D +336°, c = 1.2 in methanol
mp   178 °C (dec.)(lit.)

Description

Application

Ligand for Sharpless Asymmetric Dihydroxylation employed in an enantioselective preparation of syn-3,5-hydroxycarboxylates from (E,E)- or (E,Z)-1,3-dienoates.

Packaging

500 mg in glass bottle

Physical form

Asymmetric dihydroxylation of unsaturated esters with trisubstituted C=C bonds.

Legal Information

Sold under license from Sterling Pharma Solutions Limited.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles

Articles

Barry Sharpless Group – Professor Product Portal

From our library of Articles, Sigma-Aldrich presents Barry Sharpless Group – Professor Product Portal
Keywords: Asymmetric synthesis, Building blocks, Chemical reactions, Click chemistry, Oxidations, Solvents, transformation

Cinchona Alkaloids

Cinchona alkaloids and their derivatives have proven to catalyze an astonishing array of enantioselective transformations, providing access to chiral products of high enantiopurity.1 The presence of ...
William Sommer and Daniel Weibel
Aldrich ChemFiles 2008, 8.2, 74.
Keywords: Addition reactions, Aminations, Antimicrobials, Asymmetric synthesis, Catalysis, Desymmetrizations, Dihydroxylations, Ligands, Reductive aminations

Cinchona Alkaloids

Asymmetric phase-transfer catalysis (PTC) has been recognized as a “green” alternative to many homogeneous synthetic organic transformations, and has found widespread application. Synthetically modif...
Aldrich ChemFiles 2007, 7.9, 16.
Keywords: Addition reactions, Alkylations, Aminations, Asymmetric synthesis, Catalysis, Methods

Peer-Reviewed Papers
15

References

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