Synthesis of monodisperse oligo-p-phenylenes via rhodium-catalyzed alkyne cyclotrimerization

Organic Letters

Volumn 4, Issue 5, 2002, Pages 745-748

  McDonald, Frank E ^a   Smolentsev, Vladimir ^a  

^a EMORY UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALKYNE; BENZENE; FURAN DERIVATIVE; POLYMER; RHODIUM;

ARTICLE; CATALYSIS; CHEMISTRY; CYCLIZATION; METHODOLOGY; PHOTOCHEMISTRY; SYNTHESIS;

ALKYNES; BENZENE; CATALYSIS; CYCLIZATION; FURANS; PHOTOCHEMISTRY; POLYMERS; RHODIUM;

EID: 0037035045     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol0171970     Document Type: Article

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27. 16O 272.1201, found 772.1207.
28. 2 302.1307, found 302.1294 (-4.3 ppm).
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30. 2: C, 86.96; H, 5.31. Found: C, 86.74; H, 5.49.
31. +, 4), 447 (16), 397 (15), 314 (25), 313 (100).
32. +, 4), 447 (16), 377 (11), 320 (11), 314 (25), 313 (100).
33. 4Li 533.2304, found 533.2314 (+1.9 ppm).
34. 2O. Calcd: C, 82.73; H, 5.79. Found C, 82.47; H. 5.28. This compound was also analyzed for Cl (found trace, <0.5%) and N (found 0.0%), indicating that no significant contamination from Wilkinson's catalyst was present.
35. 2O. Calcd: C, 67.09: H, 6.62. Found: C, 66.76; H, 6.58.