Synthesis and structure of [Ru(dppe)2(CH3CN)Cl][BPh4] and its catalytic application to anti-Markovnikov addition of carboxylic acids to terminal alkynes

The compound, [Ru(dppe)2(CH3CN)Cl][BPh4] (1) has been synthesized from the precursor complex, [(PPh3)2Ru(CH3CN)3Cl][BPh4]. The complex has been structurally characterized. This complex has been found to be an efficient catalyst for the anti-Markovnikov addition of carboxylic acids to alkynes.

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► Synthesis and structure of [Ru(dppe)2(CH3CN)Cl][BPh4].
► Regioselective anti-Markovnikov addition of carboxylic acids to alkynes.
► Synthesis of Z-vinyl ester catalyzed by [Ru(dppe)2(CH3CN)Cl][BPh4].