A palladium-catalyzed synthesis of 2-alkylidene-pyrrolo[c]-1,4-dioxanes: Synthesis of 3,4-(cis-1,2-dimethyl)ethylenedioxypyrrole

Tetrahedron Letters

Volumn 45, Issue 25, 2004, Pages 4973-4975

  Zong, Kyukwan ^b   Abboud, Khalil A ^a   Reynolds, John R ^a  

^a University of Florida   (United States)

^b Chonbuk National University   (South Korea)

Author keywords

Dioxyheterocycle; Dioxypyrrole

Indexed keywords

3,4 (1,2 DIMETHYL)ETHYLENEDIOXYPYRROLE; DIOXANE DERIVATIVE; PALLADIUM; PYRROLE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CATALYSIS; CHEMICAL ANALYSIS; CYCLIZATION; HYDROGEN BOND; SYNTHESIS;

EID: 2942609465     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2004.04.042     Document Type: Article

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15. -2 mmol) and dppb (71 mg, 0.16 mmol) in THF under argon. The reaction mixture was stirred at reflux for 12 h. After cooling to room temperature, the solvent was removed by rotary evaporation and the residue was purified by column chromatography on silica gel using hexane/ethyl acetate as the eluent
16. 2: C, 62.73; H, 7.24; N, 9.14. Found: C, 62.80; H, 7.20; N, 9.10
17. -3. Crystallographic data (excluding structure factors) for the structures in this paper, have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication numbers CCDC 229566. Copies of the data can be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge CB2 1EZ, UK (Fax: +44(0)-1223-336033 or e-mail: deposit@ccdc.cam.ac.uk)