Pauson-Khand reactions catalyzed by entrapped rhodium complexes

Tetrahedron Letters

Volumn 44, Issue 14, 2003, Pages 2827-2830

  Park, Kang Hyun ^a   Son, Seung Uk ^a   Chung, Young Keun ^a  

^a Seoul National University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

RHODIUM COMPLEX;

AMINATION; ARTICLE; CATALYSIS; CATALYST; CHEMICAL REACTION; COVALENT BOND; PAUSION KHAND REACTION; PHOSPHORUS NUCLEAR MAGNETIC RESONANCE;

EID: 0037474641     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(03)00434-9     Document Type: Article

References (23)

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20. General procedure for catalytic Pauson-Khand reactions: To a solution of 1,6-enyne (0.20 g, 1.2 mmol; entry 1 in Table 1) in 5 mL of THF was added entrapped Rh (12.5 mg, 0.12 mmol, 10 mol%). The reactor was charged with 5 atm of CO and heated at 100°C for 12 h. After the reactor was cooled to rt, the solution was filtered, concentrated, and chromatographed on a silica gel column eluting with hexane and diethyl ether (v/v, 5:1). When the catalyst was recycled, the catalyst was filtered, dried in vacuum, and reused for the further catalytic reaction.
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