(R,R)-DUTHALER-HAFNER REAGENT
(R,R)-DUTHALER-HAFNER REAGENT Basic information
- Product Name:
- (R,R)-DUTHALER-HAFNER REAGENT
- Synonyms:
-
- (R,R)-DUTHALER-HAFNER REAGENT
- [(4R,5R)-2,2-DIMETHYL-1,3-DIOXOLAN-4,5-BIS(DIPHENYLMETHOXY)]CYCLOPENTADIENYL-CHLOROTITANIUM
- CHLOROCYCLOPENTADIENYL[(4R,5R)-2,2-DIMETHYL-ALPHA,ALPHA,ALPHA',ALPHA'-TETRAPHENYL-1,3-DIOXOLANE-4,5-DIMETHANOLATO]TITANIUM
- (4R,5R)-Chloro-cyclopentadienyl-[2,2-dimethyl-1,3-dioxolan-4,5-bis(diphenylmethoxy)]titanium
- (R,5)-2,2-dime.-dioxolan-4,5-bis(diphe-nylmethoxy)cp-cl-ti
- Chlorocyclopentadienyl[(4R,5R)-2,2-dimethyl-alpha,alpha,alpha,alpha-tetraphenyl-1,3-dioxolane-4,5-dimethanolato]titanium
- CHLOROCYCLOPENTADIENYL((4R,5R)-DI-ME-TET RA -PHENYL-DIOXOLANE-DIMETHANOLATO)TI,97
- (4R,5R)-Chloro-cyclopentadienyl-[2,2-dimethyl-1,3-dioxolan-4,5-bis(diphenylmetho
- CAS:
- 132068-98-5
- MF:
- C36H35ClO4Ti5*
- MW:
- 614.98
- Mol File:
- 132068-98-5.mol
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(R,R)-DUTHALER-HAFNER REAGENT Chemical Properties
- Melting point:
- 209-213 °C
- alpha
- D20 -246° (c = 1 in CHCl3)
- storage temp.
- 2-8°C
- optical activity
- [α]20/D -246°, c = 1 in chloroform
- Merck
- 13,3505
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Safety Information
- Hazard Codes
- C
- Risk Statements
- 34
- Safety Statements
- 26-36/37/39-45
- RIDADR
- UN 3261 8/PG 2
- WGK Germany
- 3
- F
- 10-21
MSDS
- Language:English Provider:SigmaAldrich
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(R,R)-DUTHALER-HAFNER REAGENT Usage And Synthesis
Uses
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.
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