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  • 449520 - Chlorocyclopentadienyl[(4R,5R)-2,2-dimethyl-α,α,α′,α′-tetraphenyl-1,3-dioxolane-4,5-dimethanolato]titanium

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449520 Sigma-Aldrich

Chlorocyclopentadienyl[(4R,5R)-2,2-dimethyl-α,α,α′,α′-tetraphenyl-1,3-dioxolane-4,5-dimethanolato]titanium

97%

Synonym: (4R,5R)-Chloro-cyclopentadienyl-[2,2-dimethyl-1,3-dioxolan-4,5-bis(diphenylmethoxy)]titanium, (R,R)-Duthaler-Hafner reagent, [(4R,5R)-2,2-Dimethyl-1,3-dioxolan-4,5-bis(diphenylmethoxy)]cyclopentadienyl-chlorotitanium

  • CAS Number 132068-98-5

  • Empirical Formula (Hill Notation) C36H33ClO4Ti

  • Molecular Weight 612.96

  •  PubChem Substance ID 24868488

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Properties

Related Categories Allylation, Asymmetric Synthesis, Chemical Synthesis, Chiral Catalysts, Ligands, and Reagents, Privileged Ligands and Complexes,
InChI Key   LTNGUQMGXWBBMV-CRMRIEQBSA-M
assay   97%
optical activity   [α]20/D -246°, c = 1 in chloroform
mp   209-213 °C (lit.)

Description

Application

A novel highly enantioselective allyl-transfer reagent. Excellent regio-, diastereo-, and enantioselectivities (usually >95% ee, >95% de) are obtained for the addition of allyl nucleophiles to aldehydes.

Packaging

100 mg in glass bottle

Bottomless glass bottle. Contents are inside inserted fused cone.

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3261 8 / PGII
WGK Germany 
3
Protocols & Articles

Articles

TADDOL

The chiral auxiliaries TADDOLs (α,α,α,α-tetraaryl-1,3-dioxolane-4,5- dimethanols) developed by Seebach's group have found numerous applications in asymmetric synthesis ranging from utilization as sto...
Keywords: Addition reactions, Applications, Asymmetric synthesis, Catalysis, Chiral auxiliaries, Desymmetrizations, Diels-Alder reaction, Fluorinations, Hydrogenations, Metathesis, Nucleophilic additions, Polymerization reactions, Transesterifications

Peer-Reviewed Papers
15

References

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