Technology Process of 5,5-dicarbonyl-2,2-diethyl-5-(triphenylphosphine)-1λ3-thia-2λ5-phospha-5-cobalta-1,3-cyclopentadiene-3,4-carboxylic acid dicyclohexyl ester
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guide to synthetic route it.
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synthetic route:
- Guidance literature:
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In
toluene;
To Co(CO)2PPh3SPEt2 and PPh3 was added CyO2CCCCO2Cy dropwise at 55 °C. After 2 h the soln. was dried, CH3-Cy was added, filtered and dried, dissolved in EtOH/toluene, filtered. Soln. was dried, dissolved in toluene/EtOH for 24 h at -5 °C.; Crystn. at -30 °C, recrystn. from 15 ml toluene and 45 ml CH3-Cy at -5 °C after filtration, elem. anal.;