A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to form a catalyst for various CC bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet.

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to form a catalyst for various CC bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet.

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to form in a catalyst for various CC bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet.

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to form in a catalyst for various CC bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet.

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to fol in a catalyst for various CC bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet.

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to fol in a catalyst for various CC bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet.

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to fol in a catalyst for various CC bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet.

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to form a catalyst for various CC bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet.

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to form a catalyst for various CC bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet.

There is provided a process for the preparation of a compound of formula (I) as defined herein, wherein said process comprises reacting a compound of formula (II) as defined s herein with one or more suitable Vilsmeier reagent. ##STR00001##