31943-94-9

Upstream product

• 14221-01-3 tetrakis(triphenylphosphine) palladium⁽⁰⁾ 
• 12082-03-0 tricarbonyl(η6-chlorobenzene)chromium 
• 603-35-0 triphenylphosphine 

Downstream Products

• 246045-71-6 (H3C)3SiC.tplbond.C(η(6)-C6H5)Cr(CO)2(PPh3) 
• 246045-70-5 H5C6CH(OH)C.tplbond.C(η(6)-C6H5)Cr(CO)2(PPh3) 
• 246045-68-1 p-O2NC6H4C.tplbond.C(η(6)-C6H5)Cr(CO)2(PPh3) 
• 246045-69-2 (H3C)2C(OH)C.tplbond.C(η(6)-C6H5)Cr(CO)2(PPh3) 

Relevant academic research and scientific papers

The structure of (η6-C6H5Cl)Cr(CO)2PPh 3

In a synthetic route that varies from the standard procedure requiring irradiation, the (η6-C6H5Cl)Cr(CO)2PPh 3 complex is obtained upon reacting (η6-C6H5Cl)Cr(CO)3 with tetrakis(triphenylphosphine)palladium(0), CuI, and trimethylsilylphenylacetylene in triethylamine. The X-ray crystal structure of the yellow-orange crystals of (η6-C6H5Cl)Cr(CO)2PPh 3 allows structural comparisons to related (arene)Cr(CO)2PR3 complexes.

First Sonogashira coupling reactions with the chlorobenzeneCr(CO)2PPh3 complex

Alkynylated benzeneCr(CO)2PPh3 complexes 4 are readily synthesized in moderate to good yields by Sonogashira couplings of the chlorobenzeneCr(CO)2PPh3 complex 2 with terminal alkynes 3.