“…An analogous η 2 -diazine complex could display the chemical behavior of a diene, azadiene, or diazadiene, depending on the position of the metal (Figure ), and the products of cycloaddition with an alkene could lead to novel diazabicycloctadiene cores. Among these, we considered pyrimidines as particularly worthy of exploration, because of their ubiquitous role in biological systems. , 1 Latent diene, azadiene, and diazadiene functionalities of η 2 -coordinated diazine complexes.…”
A tungsten pyrimidine complex exists in equilibrium with an undetected amount of an η 2 -bound isomer, which is found to be a potent diene for Diels-Alder cycloaddition reactions.
“…An analogous η 2 -diazine complex could display the chemical behavior of a diene, azadiene, or diazadiene, depending on the position of the metal (Figure ), and the products of cycloaddition with an alkene could lead to novel diazabicycloctadiene cores. Among these, we considered pyrimidines as particularly worthy of exploration, because of their ubiquitous role in biological systems. , 1 Latent diene, azadiene, and diazadiene functionalities of η 2 -coordinated diazine complexes.…”
A tungsten pyrimidine complex exists in equilibrium with an undetected amount of an η 2 -bound isomer, which is found to be a potent diene for Diels-Alder cycloaddition reactions.
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