The first discrete organometallic tetranuclear
4-PO
4 complex, [{(Cp*Cr)
2(
-OMe)
2}
2(
4-PO
4)]
+ (
5; Cp*=
5-C
5Me
5), was isolated as the iodide and PF
6 saltsfrom the reaction between NaH
2PO
4 and [Cp*Cr(
-OMe)I]
2 (
2), which was derived from thiolate meth
ylationof [Cp*Cr{
3-HN(CH
2CH
2S)
2}] (
1) with MeI in MeOH.