449539

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

97%

• Sinónimos: (4S,5S)-Chloro-cyclopentadienyl-[2,2-dimethyl-1,3-dioxolan-4,5-bis(diphenylmethoxy)]titanium, (S,S)-Duthaler-Hafner reagent, [(4S,5S)-2,2-Dimethyl-1,3-dioxolan-4,5-bis(diphenylmethoxy)]cyclopentadienyl-chlorotitanium
• Fórmula empírica (notación de Hill): C₃₆H₃₃ClO₄Ti
• Número de CAS: 140462-73-3
• Peso molecular: 612.96
• UNSPSC Code: 12352000
• PubChem Substance ID: 24868490

Propiedades

• assay: 97%
• optical activity: [α]20/D +246°, c = 1 in chloroform
• mp: 209-213 °C (lit.)
• SMILES string: Cl[Ti].[CH]1[CH][CH][CH][CH]1.CC2(C)O[C@@H]([C@H](O2)C(O)(c3ccccc3)c4ccccc4)C(O)(c5ccccc5)c6ccccc6

Descripción

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. Although this reagent is used in stoichiometric amounts, the chiral ligand and monocyclopentadienyltitanium trichloride can be easily recovered.

Información de seguridad

• pictograms: GHS05
• signalword: Danger
• hcodes: H314
• pcodes: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Skin Corr. 1B
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges