A novel entry to C-glycals via diethylzinc-mediated umpolung of π-allyl palladium derived from 1-exo-methylene 2,3-anhydrofuranoses

Tetrahedron Letters

Volumn 44, Issue 46, 2003, Pages 8433-8435

  Gómez, Ana M ^a   Barrio, Aitor ^a   Pedregosa, Ana ^a   Valverde, Serafín ^a   López, J Cristóbal ^a  

^a INSTITUTO DE QUÍMICA ORGÁNICA GENERAL   (Spain)

Author keywords

Allylation; C glycals; Carbohydrates; Palladium; Zinc

Indexed keywords

ALDEHYDE DERIVATIVE; DIETHYLZINC; FURANONE DERIVATIVE; PALLADIUM; PALLADIUM COMPLEX; REAGENT;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL REACTION; PROTON NUCLEAR MAGNETIC RESONANCE;

EID: 0141922093     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2003.09.101     Document Type: Article

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22. 3 and brine. The organic layer was then dried (sodium sulfate) and evaporated without heating to furnish a residue, which was purified by flash chromatography using hexane:ethyl acetate:triethylamine mixtures as eluant.
23. 3) δ (ppm): 160.2, 110.5, 109.2, 108.5, 96.4, 84.6 (×2), 76.0, 73.4, 70.7 (×3), 70.0, 68.3, 67.6, 52.5, 26.7, 25.9, 25.5, 25.1, 24.7, 24.5.