Remarkable dendritic effect in the polymer-supported catalysis of the heck arylation of olefins

Organic Letters

Volumn 5, Issue 8, 2003, Pages 1197-1200

  Dahan, Adi ^a   Portnoy, Moshe ^a  

^a TEL AVIV UNIVERSITY   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

ALKENE; PALLADIUM COMPLEX; PHOSPHINE DERIVATIVE; POLYMER; POLYSTYRENE;

ARTICLE; ARYLATION; CATALYSIS; HECK REACTION; IMMOBILIZATION; STEREOCHEMISTRY;

EID: 0041480399     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol0340181     Document Type: Article

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41. Loading of phosphine groups: 1a, 0.89 mmol/g; 1b, 0.82 mmol/g; 1c, 1.12 mmol/g; 1d, 0.70 mmol/g
42. Loading of palladium: 2a, 0.38 mmol/g; 2b, 0.36 mmol/g; 2c, 0.47 mmol/g; 2d, 0.31 mmol/g
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46. As observed in ref 6a.
47. According to ref 11, phosphine-Pd complexes as catalysts yield a ca. 2.5:1 ratio, while the "naked" Pd catalysts form 1:1 product mixtures.