Thiadiazatrimethylenemethane and N,N′,P-triphenylphosphonothioic diamide complexes of platinum(II)

Abstract

P(2)-Pt S-Pt C(6 1)-P(2) C(81)-P(2) C(41)-P(1) C( 1)-s C(21)-N( 1) C(ll)-N(2) 2.247( 1) P( 1)-Pt 2.308( 1) 2.33 1( 1) N( 1)-Pt 2.054(3) 1.839(3) C(71)-P(2) 1.8 16(3) 1.820(2) C(31)-P(1) 1.820(2) 1.832(3) C(51)-P( 1) 1.827(2) 1.782(5) C(1)-N(l) 1.348(7) 1.399(5) C(l)-N(2) 1.277(6) 1.422(7) Table 2 Selected bond angles (") for [Pt{SC(=NPh)NPh)(PPh,),] 8a with e.s.d.s in parentheses

Activation of C–H bond by cis-[Pt(NO3)2(PPh3)2], cyclometallation of tetramethylthiourea

“…The penta-atomic metallacycle is essentially planar, with maximum distances from the best plane of +0.051 (12) and )0.068 (10) A A for C (2) and N(1), respectively. The two Pt-P bond lengths are in the range found for PPh 3 trans to alkyl carbon [10] and to Scoordinated thiourea [11][12][13]. Bond parameters involving the tmtu à ligand can be compared with those found in the octahedral Pt(IV) complex [Pt(tmtu*) 2 Br 2 ], 3 [5].…”

Enhanced Anion Binding from Unusual Coordination Modes of Bis(thiourea) Ligands in Platinum Group Metal Complexes

“…The remaining NH group of N(1) forms a hydrogen bond to the opposite face of the chloride anion and as a result the complex in the solid state forms a centrosymmetric hydrogen-bonded dimer linked by interactions to the chloride anions (Figure 1b). A bidentate, N,S-coordination mode has been seen in a number of deprotonated monothiourea derivatives of ruthenium, [88,89] platinum(II), [90,91] cadmium, [92] zinc, [93] goldA C H T U N G T R E N N U N G (III) [94] and gold(I). [95] The N,S-thioureido chelate binding mode is also observed for complexes with rhenium(V) in a thiol-amide-thiourea ligand, [96] and it is found in both coordinating thioureas for an analogous bis-A C H T U N G T R E N N U N G (thiourea) ligand.…”

Synthesis, characterization and crystal structure of cis-bis[4-fluoro-N-(diethylcarbamothioyl)benzamido-κ2O,S]platinum(II)

“…Thiourea derivatives have attracted considerable attention due to their potential applications [14][15][16][17][18][19][20][21][22]. Thioureabased compounds are good candidates for coordination to transition metals as they have sulfur and oxygen donor atoms [13,[23][24][25][26][27][28][29][30]. They are also able to bind through multiple bonding modes with one metal ion: chelation through both S and O, just through S, or just through O atoms [31].…”