Isomeric clusters [HOs3(CO)10(C18H11N6)] obtained from the reaction of [Os3(CO)10(CH3CN)2] with new tris-pyridyl-1,2,4-triazines
2012
Novel tris-pyridyl-1,2,4-triazines were prepared from the corresponding pyridyl-amidrazone and 2,2′-pyridyl in good yields. Reaction of the triazines with [Os
3
(CO)
10
(CH
3
CN)
2
] afforded to corresponding orthometallated cluster.► New clusters [HOs
3
(CO)
9
(C
18
H
11
N
6
)] as a way to enhance the potential NLO response of the ligand. ► Two new 1,2,4-triazines were obtained by a modification of the reported method. ► Crystal structures for two new as-triazines are determined. ► Reaction of the new triazines with [Os
3
(CO)
10
(CH
3
CN)
2
] leads to 3- or 4-pyridyl C–H activation. ► Studies are undertaken to assess the enhancement of the NLO response for the new clusters.
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