Transition metal chemistry of main group hydrazides. 4. Phosphorus hydrazido ferrocences as novel synthons to new iron(II)-palladium(II) heterotrimetallic organometallic compounds. Synthesis and characterization of palladium(II) chloride complexes of ferrocene functionalized phosphorus hydrazides. Single-crystal x-ray structures of C[sub 2]H[sub 5]OP(S)(NCH[sub 3]NCHCp[prime]FeCp)[sub 2] and C[sub 2]H[sub 5]OP(S)(NCH[sub 3]NCHCp[prime]FeCp)[sub 2]-PdCl[sub 2] [Cp[prime] = C[sub 5]H[sub 4], Cp =

The reactions of aryl-, alkyl-, and alkoxy-substituted phosphorus hydrazides, RP(E)(NMeNH[sub 2])[sub 2] (R = Ph, E = S, I; R = OEt, E = S, 2; R = Ph, E = O, 3; R = Et, E = O, 4; R = Me, E = O, 5) with ferrocenecarboxaldehyde gave metallocene-functionalized phosphorus hydrazides in good yields (approximately 90-95%) as air-stable crystalline solids with the following chemical compositions: RP(E)(NMeNCHCp[prime]FeCp)[sub 2] (R = Ph, E = S, 6; R = OEt, E = S, 7; R = Ph, E = O, 8; R = Et, E = O, 9; R = Me, E = O, 10). These ferrocenyl phosphorus hydrazides 6-10 can be used as versatile synthons to produce new heterometallic organometallic compounds. The chemical constitutions of 6-10 and 11-15 were established by complete NMR ([sup 1]H and [sup 31]P) spectroscopic and C, H, and N analysis. As representative examples, X-ray structures of 7 and 12 have been determined. Crystal data for C[sub 2]H[sub 5]OP(S)(NMeNCHCp[prime]FeCp)[sub 2], 7: orthorhombic, space group P2[sub 1]2[sub 1]2[sub 1], a = 7.5556(11) [angstrom], b = 10.7652(12) [angstrom], c = 33.186(4) [angstrom], V = 2699.3(3) [angstrom][sup 3], Z = 4. The structure was solved by direct methods and was refined to R = 0.038. The structure of 12 comprises the neutral monomeric trimetallic complex C[sub 2]H[sub 5]OP(S)(NMeNCHCp[prime]FeCp)[sub 2][center dot]PdCl[sub 2] with the Pd(II) center in a square planar geometry. The structure of 12 is characterized by a six-membered ring with the Pd(II) bonded to two terminal hydrazine units of 7 in a cis disposition. Crystal data of 12: monoclinic, space group P2[sub 1]/c, a = 15.731(3) [angstrom], l = 18.695(3) [angstrom], c = 11.918(2) [angstrom], [beta] = 98.180(7)[degree], V = 3469.3(10) [angstrom][sup 3], Z = 4. The structure was solved by direct methods and was refined to R = 0.033. 21 refs., 2 figs., 6 tabs.