[ N , N ′‐bis(2‐pyridylmethyl)]‐2,2′‐bipyrrolidinebis(acetonitrile)iron(II) hexafluoroantimonate (White–Chen catalyst; Fe( S , S ‐PDP) or Fe( R , R ‐PDP))

Abstract

image [ 959395‐10‐9 ] C 24 H 32 F 12 FeN 6 Sb 2 (MW 931.90) InChI = 1S/C20H26N4.2C2H3N.12FH.Fe.2Sb/c1‐3‐11‐21‐17(7‐1)15‐23‐13‐5‐9‐19(23)20‐10‐6‐14‐24(20)16‐18‐8‐2‐4‐12‐22‐18;2*1‐2‐3;;;;;;;;;;;;;;;/h1‐4,7‐8,11‐12,19‐20H,5‐6,9‐10,13‐16H2;2*1H3;12*1H;;;/q;;;;;;;;;;;;;;;+2;2*+5/p‐12/t19‐,20‐;;;;;;;;;;;;;;;;;/m0................./s1 InChiKey = XUNWHBGEOCZDBX‐CGOGJHNFSA‐B [ 1361315‐26‐5 ] C 24 H 32 F 12 FeN 6 Sb 2 (MW 931.90) InChI = 1S/C20H26N4.2C2H3N.12FH.Fe.2Sb/c1‐3‐11‐21‐17(7‐1)15‐23‐13‐5‐9‐19(23)20‐10‐6‐14‐24(20)16‐18‐8‐2‐4‐12‐22‐18;2*1‐2‐3;;;;;;;;;;;;;;;/h1‐4,7‐8,11‐12,19‐20H,5‐6,9‐10,13‐16H2;2*1H3;12*1H;;;/q;;;;;;;;;;;;;;;+2;2*+5/p‐12/t19‐,20‐;;;;;;;;;;;;;;;;;/m1................./s1 InChiKey = XUNWHBGEOCZDBX‐QSKJABRXSA‐B (catalyst used for oxidative radical reactions, selective oxidation of alkyl carbon–hydrogen bonds, and methylene group oxidation) Alternative Names : White–Chen catalyst, [Fe( S , S ‐PDP)(CH 3 CN) 2 ](SbF 6 ) 2 or [Fe( R , R ‐PDP)(CH 3 CN) 2 ](SbF 6 ) 2 , Fe( S , S ‐PDP) or Fe( R , R ‐PDP). Physical Data : solid (white to purple) , m.p. 215–226 °C. Solubility : soluble in acetonitrile, dichloromethane, tert ‐butyl alcohol, hexafluoro‐2‐propanol, or their mixtures. Form Supplied in : powder. Analysis of Reagent Purity : structure confirmation via X‐ray, purity not specified. Preparative Methods : catalyst is prepared from ( S,S )‐PDP or ( R,R )‐PDP ligand dissolved in CH 3 CN followed by the addition of Fe(II)Cl 2 ·4H 2 O and AgSbF 6 . 1 Purification : not required. Handling, Storage, and Precautions : handle and store under inert gas. Air‐ and moisture‐sensitive. Toxicity not reported. Can cause skin, eye, and respiratory irritation upon exposure.